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48555339 FT |
1 | /** @file\r |
2 | The helper functions for BlockIo and BlockIo2 protocol.\r | |
3 | \r | |
0f4387e5 | 4 | Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r |
48555339 FT |
5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "SdDxe.h"\r | |
16 | \r | |
17 | /**\r | |
18 | Nonblocking I/O callback funtion when the event is signaled.\r | |
19 | \r | |
20 | @param[in] Event The Event this notify function registered to.\r | |
21 | @param[in] Context Pointer to the context data registered to the\r | |
22 | Event.\r | |
23 | \r | |
24 | **/\r | |
25 | VOID\r | |
26 | EFIAPI\r | |
27 | AsyncIoCallback (\r | |
28 | IN EFI_EVENT Event,\r | |
29 | IN VOID *Context\r | |
30 | )\r | |
31 | {\r | |
32 | SD_REQUEST *Request;\r | |
33 | \r | |
34 | gBS->CloseEvent (Event);\r | |
35 | \r | |
36 | Request = (SD_REQUEST *) Context;\r | |
37 | \r | |
38 | DEBUG_CODE_BEGIN ();\r | |
39 | DEBUG ((EFI_D_INFO, "Sd Async Request: CmdIndex[%d] Arg[%08x] %r\n",\r | |
40 | Request->SdMmcCmdBlk.CommandIndex, Request->SdMmcCmdBlk.CommandArgument,\r | |
41 | Request->Packet.TransactionStatus));\r | |
42 | DEBUG_CODE_END ();\r | |
43 | \r | |
44 | if (EFI_ERROR (Request->Packet.TransactionStatus)) {\r | |
45 | Request->Token->TransactionStatus = Request->Packet.TransactionStatus;\r | |
46 | }\r | |
47 | \r | |
48 | RemoveEntryList (&Request->Link);\r | |
49 | \r | |
50 | if (Request->IsEnd) {\r | |
51 | gBS->SignalEvent (Request->Token->Event);\r | |
52 | }\r | |
53 | \r | |
54 | FreePool (Request);\r | |
55 | }\r | |
56 | \r | |
57 | /**\r | |
58 | Send command SET_RELATIVE_ADDRESS to the device to set the device address.\r | |
59 | \r | |
60 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
61 | @param[out] Rca The relative device address to assign.\r | |
62 | \r | |
63 | @retval EFI_SUCCESS The request is executed successfully.\r | |
64 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
65 | @retval Others The request could not be executed successfully.\r | |
66 | \r | |
67 | **/\r | |
68 | EFI_STATUS\r | |
69 | SdSetRca (\r | |
70 | IN SD_DEVICE *Device,\r | |
71 | OUT UINT16 *Rca\r | |
72 | )\r | |
73 | {\r | |
74 | EFI_STATUS Status;\r | |
75 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
76 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
77 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
78 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
79 | \r | |
80 | PassThru = Device->Private->PassThru;\r | |
81 | \r | |
82 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
83 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
84 | ZeroMem (&Packet, sizeof (Packet));\r | |
85 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
86 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
87 | Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
88 | \r | |
89 | SdMmcCmdBlk.CommandIndex = SD_SET_RELATIVE_ADDR;\r | |
90 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeBcr;\r | |
91 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR6;\r | |
92 | \r | |
93 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
94 | if (!EFI_ERROR (Status)) {\r | |
95 | DEBUG ((EFI_D_INFO, "Set RCA succeeds with Resp0 = 0x%x\n", SdMmcStatusBlk.Resp0));\r | |
96 | *Rca = (UINT16)(SdMmcStatusBlk.Resp0 >> 16);\r | |
97 | }\r | |
98 | \r | |
99 | return Status;\r | |
100 | }\r | |
101 | \r | |
102 | /**\r | |
103 | Send command SELECT to the device to select/deselect the device.\r | |
104 | \r | |
105 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
106 | @param[in] Rca The relative device address to use.\r | |
107 | \r | |
108 | @retval EFI_SUCCESS The request is executed successfully.\r | |
109 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
110 | @retval Others The request could not be executed successfully.\r | |
111 | \r | |
112 | **/\r | |
113 | EFI_STATUS\r | |
114 | SdSelect (\r | |
115 | IN SD_DEVICE *Device,\r | |
116 | IN UINT16 Rca\r | |
117 | )\r | |
118 | {\r | |
119 | EFI_STATUS Status;\r | |
120 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
121 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
122 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
123 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
124 | \r | |
125 | PassThru = Device->Private->PassThru;\r | |
126 | \r | |
127 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
128 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
129 | ZeroMem (&Packet, sizeof (Packet));\r | |
130 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
131 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
132 | Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
133 | \r | |
134 | SdMmcCmdBlk.CommandIndex = SD_SELECT_DESELECT_CARD;\r | |
135 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
ac30e4c1 FT |
136 | if (Rca != 0) {\r |
137 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
138 | }\r | |
48555339 FT |
139 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r |
140 | \r | |
141 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
142 | \r | |
143 | return Status;\r | |
144 | }\r | |
145 | \r | |
146 | /**\r | |
147 | Send command SEND_STATUS to the device to get device status.\r | |
148 | \r | |
149 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
150 | @param[in] Rca The relative device address to use.\r | |
151 | @param[out] DevStatus The buffer to store the device status.\r | |
152 | \r | |
153 | @retval EFI_SUCCESS The request is executed successfully.\r | |
154 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
155 | @retval Others The request could not be executed successfully.\r | |
156 | \r | |
157 | **/\r | |
158 | EFI_STATUS\r | |
159 | SdSendStatus (\r | |
160 | IN SD_DEVICE *Device,\r | |
161 | IN UINT16 Rca,\r | |
162 | OUT UINT32 *DevStatus\r | |
163 | )\r | |
164 | {\r | |
165 | EFI_STATUS Status;\r | |
166 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
167 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
168 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
169 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
170 | \r | |
171 | PassThru = Device->Private->PassThru;\r | |
172 | \r | |
173 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
174 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
175 | ZeroMem (&Packet, sizeof (Packet));\r | |
176 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
177 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
178 | Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
179 | \r | |
180 | SdMmcCmdBlk.CommandIndex = SD_SEND_STATUS;\r | |
181 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
182 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
183 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
184 | \r | |
185 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
186 | if (!EFI_ERROR (Status)) {\r | |
187 | CopyMem (DevStatus, &SdMmcStatusBlk.Resp0, sizeof (UINT32));\r | |
188 | }\r | |
189 | return Status;\r | |
190 | }\r | |
191 | \r | |
192 | /**\r | |
193 | Send command SEND_CSD to the device to get the CSD register data.\r | |
194 | \r | |
195 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
196 | @param[in] Rca The relative device address to use.\r | |
197 | @param[out] Csd The buffer to store the SD_CSD register data.\r | |
198 | \r | |
199 | @retval EFI_SUCCESS The request is executed successfully.\r | |
200 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
201 | @retval Others The request could not be executed successfully.\r | |
202 | \r | |
203 | **/\r | |
204 | EFI_STATUS\r | |
205 | SdGetCsd (\r | |
206 | IN SD_DEVICE *Device,\r | |
207 | IN UINT16 Rca,\r | |
208 | OUT SD_CSD *Csd\r | |
209 | )\r | |
210 | {\r | |
211 | EFI_STATUS Status;\r | |
212 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
213 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
214 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
215 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
216 | \r | |
217 | PassThru = Device->Private->PassThru;\r | |
218 | \r | |
219 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
220 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
221 | ZeroMem (&Packet, sizeof (Packet));\r | |
222 | ZeroMem (Csd, sizeof (SD_CSD));\r | |
223 | \r | |
224 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
225 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
226 | Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
227 | \r | |
228 | SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;\r | |
229 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
230 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
231 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
232 | \r | |
233 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
234 | \r | |
235 | if (!EFI_ERROR (Status)) {\r | |
236 | //\r | |
237 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
238 | //\r | |
239 | CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);\r | |
240 | }\r | |
241 | \r | |
242 | return Status;\r | |
243 | }\r | |
244 | \r | |
245 | /**\r | |
246 | Send command SEND_CID to the device to get the CID register data.\r | |
247 | \r | |
248 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
249 | @param[in] Rca The relative device address to use.\r | |
250 | @param[out] Cid The buffer to store the SD_CID register data.\r | |
251 | \r | |
252 | @retval EFI_SUCCESS The request is executed successfully.\r | |
253 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
254 | @retval Others The request could not be executed successfully.\r | |
255 | \r | |
256 | **/\r | |
257 | EFI_STATUS\r | |
258 | SdGetCid (\r | |
259 | IN SD_DEVICE *Device,\r | |
260 | IN UINT16 Rca,\r | |
261 | OUT SD_CID *Cid\r | |
262 | )\r | |
263 | {\r | |
264 | EFI_STATUS Status;\r | |
265 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
266 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
267 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
268 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
269 | \r | |
270 | PassThru = Device->Private->PassThru;\r | |
271 | \r | |
272 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
273 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
274 | ZeroMem (&Packet, sizeof (Packet));\r | |
275 | ZeroMem (Cid, sizeof (SD_CID));\r | |
276 | \r | |
277 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
278 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
279 | Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
280 | \r | |
281 | SdMmcCmdBlk.CommandIndex = SD_SEND_CID;\r | |
282 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
283 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
284 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
285 | \r | |
286 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
287 | \r | |
288 | if (!EFI_ERROR (Status)) {\r | |
289 | //\r | |
290 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
291 | //\r | |
292 | CopyMem (((UINT8*)Cid) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CID) - 1);\r | |
293 | }\r | |
294 | \r | |
295 | return Status;\r | |
296 | }\r | |
297 | \r | |
298 | /**\r | |
299 | Read/write single block through sync or async I/O request.\r | |
300 | \r | |
301 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
302 | @param[in] Lba The starting logical block address to be read/written.\r | |
303 | The caller is responsible for reading/writing to only\r | |
304 | legitimate locations.\r | |
305 | @param[in] Buffer A pointer to the destination/source buffer for the data.\r | |
306 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
307 | @param[in] IsRead Indicates it is a read or write operation.\r | |
308 | @param[in] Token A pointer to the token associated with the transaction.\r | |
309 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
310 | This parameter is only meaningful in async I/O request.\r | |
311 | \r | |
312 | @retval EFI_SUCCESS The request is executed successfully.\r | |
313 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
314 | @retval Others The request could not be executed successfully.\r | |
315 | \r | |
316 | **/\r | |
317 | EFI_STATUS\r | |
318 | SdRwSingleBlock (\r | |
319 | IN SD_DEVICE *Device,\r | |
320 | IN EFI_LBA Lba,\r | |
321 | IN VOID *Buffer,\r | |
322 | IN UINTN BufferSize,\r | |
323 | IN BOOLEAN IsRead,\r | |
324 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
325 | IN BOOLEAN IsEnd\r | |
326 | )\r | |
327 | {\r | |
328 | EFI_STATUS Status;\r | |
329 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
330 | SD_REQUEST *RwSingleBlkReq;\r | |
331 | EFI_TPL OldTpl;\r | |
332 | \r | |
333 | RwSingleBlkReq = NULL;\r | |
334 | PassThru = Device->Private->PassThru;\r | |
335 | \r | |
336 | RwSingleBlkReq = AllocateZeroPool (sizeof (SD_REQUEST));\r | |
337 | if (RwSingleBlkReq == NULL) {\r | |
338 | Status = EFI_OUT_OF_RESOURCES;\r | |
339 | goto Error;\r | |
340 | }\r | |
341 | \r | |
342 | RwSingleBlkReq->Signature = SD_REQUEST_SIGNATURE;\r | |
3b1d8241 | 343 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 FT |
344 | InsertTailList (&Device->Queue, &RwSingleBlkReq->Link);\r |
345 | gBS->RestoreTPL (OldTpl);\r | |
346 | RwSingleBlkReq->Packet.SdMmcCmdBlk = &RwSingleBlkReq->SdMmcCmdBlk;\r | |
347 | RwSingleBlkReq->Packet.SdMmcStatusBlk = &RwSingleBlkReq->SdMmcStatusBlk;\r | |
348 | //\r | |
349 | // Calculate timeout value through the below formula.\r | |
350 | // Timeout = (transfer size) / (2MB/s).\r | |
351 | // Taking 2MB/s as divisor as it's the lowest transfer speed\r | |
352 | // above class 2.\r | |
353 | // Refer to SD Physical Layer Simplified spec section 3.4 for details.\r | |
354 | //\r | |
355 | RwSingleBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;\r | |
356 | \r | |
357 | if (IsRead) {\r | |
358 | RwSingleBlkReq->Packet.InDataBuffer = Buffer;\r | |
359 | RwSingleBlkReq->Packet.InTransferLength = (UINT32)BufferSize;\r | |
360 | \r | |
361 | RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_SINGLE_BLOCK;\r | |
362 | RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
363 | RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
364 | } else {\r | |
365 | RwSingleBlkReq->Packet.OutDataBuffer = Buffer;\r | |
366 | RwSingleBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;\r | |
367 | \r | |
368 | RwSingleBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_SINGLE_BLOCK;\r | |
369 | RwSingleBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
370 | RwSingleBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
371 | }\r | |
372 | \r | |
373 | if (Device->SectorAddressing) {\r | |
374 | RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;\r | |
375 | } else {\r | |
376 | RwSingleBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);\r | |
377 | }\r | |
378 | \r | |
379 | RwSingleBlkReq->IsEnd = IsEnd;\r | |
380 | RwSingleBlkReq->Token = Token;\r | |
381 | \r | |
382 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
383 | Status = gBS->CreateEvent (\r | |
384 | EVT_NOTIFY_SIGNAL,\r | |
3b1d8241 | 385 | TPL_NOTIFY,\r |
48555339 FT |
386 | AsyncIoCallback,\r |
387 | RwSingleBlkReq,\r | |
388 | &RwSingleBlkReq->Event\r | |
389 | );\r | |
390 | if (EFI_ERROR (Status)) {\r | |
391 | goto Error;\r | |
392 | }\r | |
393 | } else {\r | |
394 | RwSingleBlkReq->Event = NULL;\r | |
395 | }\r | |
396 | \r | |
397 | Status = PassThru->PassThru (PassThru, Device->Slot, &RwSingleBlkReq->Packet, RwSingleBlkReq->Event);\r | |
398 | \r | |
399 | Error:\r | |
400 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
401 | //\r | |
402 | // For asynchronous operation, only free request and event in error case.\r | |
403 | // The request and event will be freed in asynchronous callback for success case.\r | |
404 | //\r | |
405 | if (EFI_ERROR (Status) && (RwSingleBlkReq != NULL)) {\r | |
3b1d8241 | 406 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 | 407 | RemoveEntryList (&RwSingleBlkReq->Link);\r |
3b1d8241 | 408 | gBS->RestoreTPL (OldTpl);\r |
48555339 FT |
409 | if (RwSingleBlkReq->Event != NULL) {\r |
410 | gBS->CloseEvent (RwSingleBlkReq->Event);\r | |
411 | }\r | |
412 | FreePool (RwSingleBlkReq);\r | |
413 | }\r | |
414 | } else {\r | |
415 | //\r | |
416 | // For synchronous operation, free request whatever the execution result is.\r | |
417 | //\r | |
418 | if (RwSingleBlkReq != NULL) {\r | |
3b1d8241 | 419 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 | 420 | RemoveEntryList (&RwSingleBlkReq->Link);\r |
3b1d8241 | 421 | gBS->RestoreTPL (OldTpl);\r |
48555339 FT |
422 | FreePool (RwSingleBlkReq);\r |
423 | }\r | |
424 | }\r | |
425 | \r | |
426 | return Status;\r | |
427 | }\r | |
428 | \r | |
429 | /**\r | |
430 | Read/write multiple blocks through sync or async I/O request.\r | |
431 | \r | |
432 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
433 | @param[in] Lba The starting logical block address to be read/written.\r | |
434 | The caller is responsible for reading/writing to only\r | |
435 | legitimate locations.\r | |
436 | @param[in] Buffer A pointer to the destination/source buffer for the data.\r | |
437 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
438 | @param[in] IsRead Indicates it is a read or write operation.\r | |
439 | @param[in] Token A pointer to the token associated with the transaction.\r | |
440 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
441 | This parameter is only meaningful in async I/O request.\r | |
442 | \r | |
443 | @retval EFI_SUCCESS The request is executed successfully.\r | |
444 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
445 | @retval Others The request could not be executed successfully.\r | |
446 | \r | |
447 | **/\r | |
448 | EFI_STATUS\r | |
449 | SdRwMultiBlocks (\r | |
450 | IN SD_DEVICE *Device,\r | |
451 | IN EFI_LBA Lba,\r | |
452 | IN VOID *Buffer,\r | |
453 | IN UINTN BufferSize,\r | |
454 | IN BOOLEAN IsRead,\r | |
455 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
456 | IN BOOLEAN IsEnd\r | |
457 | )\r | |
458 | {\r | |
459 | EFI_STATUS Status;\r | |
460 | SD_REQUEST *RwMultiBlkReq;\r | |
461 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
462 | EFI_TPL OldTpl;\r | |
463 | \r | |
464 | RwMultiBlkReq = NULL;\r | |
465 | \r | |
466 | PassThru = Device->Private->PassThru;\r | |
467 | \r | |
468 | RwMultiBlkReq = AllocateZeroPool (sizeof (SD_REQUEST));\r | |
469 | if (RwMultiBlkReq == NULL) {\r | |
470 | Status = EFI_OUT_OF_RESOURCES;\r | |
471 | goto Error;\r | |
472 | }\r | |
473 | \r | |
474 | RwMultiBlkReq->Signature = SD_REQUEST_SIGNATURE;\r | |
3b1d8241 | 475 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 FT |
476 | InsertTailList (&Device->Queue, &RwMultiBlkReq->Link);\r |
477 | gBS->RestoreTPL (OldTpl);\r | |
478 | RwMultiBlkReq->Packet.SdMmcCmdBlk = &RwMultiBlkReq->SdMmcCmdBlk;\r | |
479 | RwMultiBlkReq->Packet.SdMmcStatusBlk = &RwMultiBlkReq->SdMmcStatusBlk;\r | |
480 | //\r | |
481 | // Calculate timeout value through the below formula.\r | |
482 | // Timeout = (transfer size) / (2MB/s).\r | |
483 | // Taking 2MB/s as divisor as it's the lowest transfer speed\r | |
484 | // above class 2.\r | |
485 | // Refer to SD Physical Layer Simplified spec section 3.4 for details.\r | |
486 | //\r | |
487 | RwMultiBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;\r | |
488 | \r | |
489 | if (IsRead) {\r | |
490 | RwMultiBlkReq->Packet.InDataBuffer = Buffer;\r | |
491 | RwMultiBlkReq->Packet.InTransferLength = (UINT32)BufferSize;\r | |
492 | \r | |
493 | RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_READ_MULTIPLE_BLOCK;\r | |
494 | RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
495 | RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
496 | } else {\r | |
497 | RwMultiBlkReq->Packet.OutDataBuffer = Buffer;\r | |
498 | RwMultiBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;\r | |
499 | \r | |
500 | RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = SD_WRITE_MULTIPLE_BLOCK;\r | |
501 | RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
502 | RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
503 | }\r | |
504 | \r | |
505 | if (Device->SectorAddressing) {\r | |
506 | RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;\r | |
507 | } else {\r | |
508 | RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Device->BlockMedia.BlockSize);\r | |
509 | }\r | |
510 | \r | |
511 | RwMultiBlkReq->IsEnd = IsEnd;\r | |
512 | RwMultiBlkReq->Token = Token;\r | |
513 | \r | |
514 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
515 | Status = gBS->CreateEvent (\r | |
516 | EVT_NOTIFY_SIGNAL,\r | |
3b1d8241 | 517 | TPL_NOTIFY,\r |
48555339 FT |
518 | AsyncIoCallback,\r |
519 | RwMultiBlkReq,\r | |
520 | &RwMultiBlkReq->Event\r | |
521 | );\r | |
522 | if (EFI_ERROR (Status)) {\r | |
523 | goto Error;\r | |
524 | }\r | |
525 | } else {\r | |
526 | RwMultiBlkReq->Event = NULL;\r | |
527 | }\r | |
528 | \r | |
529 | Status = PassThru->PassThru (PassThru, Device->Slot, &RwMultiBlkReq->Packet, RwMultiBlkReq->Event);\r | |
530 | \r | |
531 | Error:\r | |
532 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
533 | //\r | |
534 | // For asynchronous operation, only free request and event in error case.\r | |
535 | // The request and event will be freed in asynchronous callback for success case.\r | |
536 | //\r | |
537 | if (EFI_ERROR (Status) && (RwMultiBlkReq != NULL)) {\r | |
3b1d8241 | 538 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 | 539 | RemoveEntryList (&RwMultiBlkReq->Link);\r |
3b1d8241 | 540 | gBS->RestoreTPL (OldTpl);\r |
48555339 FT |
541 | if (RwMultiBlkReq->Event != NULL) {\r |
542 | gBS->CloseEvent (RwMultiBlkReq->Event);\r | |
543 | }\r | |
544 | FreePool (RwMultiBlkReq);\r | |
545 | }\r | |
546 | } else {\r | |
547 | //\r | |
548 | // For synchronous operation, free request whatever the execution result is.\r | |
549 | //\r | |
550 | if (RwMultiBlkReq != NULL) {\r | |
3b1d8241 | 551 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 | 552 | RemoveEntryList (&RwMultiBlkReq->Link);\r |
3b1d8241 | 553 | gBS->RestoreTPL (OldTpl);\r |
48555339 FT |
554 | FreePool (RwMultiBlkReq);\r |
555 | }\r | |
556 | }\r | |
557 | \r | |
558 | return Status;\r | |
559 | }\r | |
560 | \r | |
561 | /**\r | |
562 | This function transfers data from/to the sd memory card device.\r | |
563 | \r | |
564 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
565 | @param[in] MediaId The media ID that the read/write request is for.\r | |
566 | @param[in] Lba The starting logical block address to be read/written.\r | |
567 | The caller is responsible for reading/writing to only\r | |
568 | legitimate locations.\r | |
569 | @param[in, out] Buffer A pointer to the destination/source buffer for the data.\r | |
570 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
571 | @param[in] IsRead Indicates it is a read or write operation.\r | |
572 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
573 | \r | |
574 | @retval EFI_SUCCESS The data was read/written correctly to the device.\r | |
575 | @retval EFI_WRITE_PROTECTED The device can not be read/written to.\r | |
576 | @retval EFI_DEVICE_ERROR The device reported an error while performing the read/write.\r | |
577 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
578 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
579 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
580 | @retval EFI_INVALID_PARAMETER The read/write request contains LBAs that are not valid,\r | |
581 | or the buffer is not on proper alignment.\r | |
582 | \r | |
583 | **/\r | |
584 | EFI_STATUS\r | |
585 | SdReadWrite (\r | |
586 | IN SD_DEVICE *Device,\r | |
587 | IN UINT32 MediaId,\r | |
588 | IN EFI_LBA Lba,\r | |
589 | IN OUT VOID *Buffer,\r | |
590 | IN UINTN BufferSize,\r | |
591 | IN BOOLEAN IsRead,\r | |
592 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
593 | )\r | |
594 | {\r | |
595 | EFI_STATUS Status;\r | |
596 | EFI_BLOCK_IO_MEDIA *Media;\r | |
597 | UINTN BlockSize;\r | |
598 | UINTN BlockNum;\r | |
599 | UINTN IoAlign;\r | |
600 | UINTN Remaining;\r | |
601 | UINT32 MaxBlock;\r | |
602 | BOOLEAN LastRw;\r | |
603 | \r | |
604 | Status = EFI_SUCCESS;\r | |
605 | Media = &Device->BlockMedia;\r | |
606 | LastRw = FALSE;\r | |
607 | \r | |
608 | if (MediaId != Media->MediaId) {\r | |
609 | return EFI_MEDIA_CHANGED;\r | |
610 | }\r | |
611 | \r | |
612 | if (!IsRead && Media->ReadOnly) {\r | |
613 | return EFI_WRITE_PROTECTED;\r | |
614 | }\r | |
615 | \r | |
616 | //\r | |
617 | // Check parameters.\r | |
618 | //\r | |
619 | if (Buffer == NULL) {\r | |
620 | return EFI_INVALID_PARAMETER;\r | |
621 | }\r | |
622 | \r | |
623 | if (BufferSize == 0) {\r | |
624 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
625 | Token->TransactionStatus = EFI_SUCCESS;\r | |
626 | gBS->SignalEvent (Token->Event);\r | |
627 | }\r | |
628 | return EFI_SUCCESS;\r | |
629 | }\r | |
630 | \r | |
631 | BlockSize = Media->BlockSize;\r | |
632 | if ((BufferSize % BlockSize) != 0) {\r | |
633 | return EFI_BAD_BUFFER_SIZE;\r | |
634 | }\r | |
635 | \r | |
636 | BlockNum = BufferSize / BlockSize;\r | |
637 | if ((Lba + BlockNum - 1) > Media->LastBlock) {\r | |
638 | return EFI_INVALID_PARAMETER;\r | |
639 | }\r | |
640 | \r | |
641 | IoAlign = Media->IoAlign;\r | |
642 | if (IoAlign > 0 && (((UINTN) Buffer & (IoAlign - 1)) != 0)) {\r | |
643 | return EFI_INVALID_PARAMETER;\r | |
644 | }\r | |
645 | \r | |
646 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
647 | Token->TransactionStatus = EFI_SUCCESS;\r | |
648 | }\r | |
649 | \r | |
650 | //\r | |
651 | // Start to execute data transfer. The max block number in single cmd is 65535 blocks.\r | |
652 | //\r | |
653 | Remaining = BlockNum;\r | |
654 | MaxBlock = 0xFFFF;\r | |
655 | \r | |
656 | while (Remaining > 0) {\r | |
657 | if (Remaining <= MaxBlock) {\r | |
658 | BlockNum = Remaining;\r | |
659 | LastRw = TRUE;\r | |
660 | } else {\r | |
661 | BlockNum = MaxBlock;\r | |
662 | }\r | |
663 | \r | |
664 | BufferSize = BlockNum * BlockSize;\r | |
665 | if (BlockNum == 1) {\r | |
666 | Status = SdRwSingleBlock (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);\r | |
667 | } else {\r | |
668 | Status = SdRwMultiBlocks (Device, Lba, Buffer, BufferSize, IsRead, Token, LastRw);\r | |
669 | }\r | |
670 | if (EFI_ERROR (Status)) {\r | |
671 | return Status;\r | |
672 | }\r | |
0f4387e5 | 673 | DEBUG ((DEBUG_BLKIO, "Sd%a(): Lba 0x%x BlkNo 0x%x Event %p with %r\n", IsRead ? "Read" : "Write", Lba, BlockNum, Token->Event, Status));\r |
48555339 FT |
674 | \r |
675 | Lba += BlockNum;\r | |
676 | Buffer = (UINT8*)Buffer + BufferSize;\r | |
677 | Remaining -= BlockNum;\r | |
678 | }\r | |
679 | \r | |
680 | return Status;\r | |
681 | }\r | |
682 | \r | |
683 | /**\r | |
684 | Reset the Block Device.\r | |
685 | \r | |
686 | @param This Indicates a pointer to the calling context.\r | |
687 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
688 | \r | |
689 | @retval EFI_SUCCESS The device was reset.\r | |
690 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
691 | not be reset.\r | |
692 | \r | |
693 | **/\r | |
694 | EFI_STATUS\r | |
695 | EFIAPI\r | |
696 | SdReset (\r | |
697 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
698 | IN BOOLEAN ExtendedVerification\r | |
699 | )\r | |
700 | {\r | |
701 | EFI_STATUS Status;\r | |
702 | SD_DEVICE *Device;\r | |
703 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
704 | \r | |
705 | Device = SD_DEVICE_DATA_FROM_BLKIO (This);\r | |
706 | \r | |
707 | PassThru = Device->Private->PassThru;\r | |
708 | Status = PassThru->ResetDevice (PassThru, Device->Slot);\r | |
709 | if (EFI_ERROR (Status)) {\r | |
710 | Status = EFI_DEVICE_ERROR;\r | |
711 | }\r | |
712 | \r | |
713 | return Status;\r | |
714 | }\r | |
715 | \r | |
716 | /**\r | |
717 | Read BufferSize bytes from Lba into Buffer.\r | |
718 | \r | |
719 | @param This Indicates a pointer to the calling context.\r | |
720 | @param MediaId Id of the media, changes every time the media is replaced.\r | |
721 | @param Lba The starting Logical Block Address to read from\r | |
722 | @param BufferSize Size of Buffer, must be a multiple of device block size.\r | |
723 | @param Buffer A pointer to the destination buffer for the data. The caller is\r | |
724 | responsible for either having implicit or explicit ownership of the buffer.\r | |
725 | \r | |
726 | @retval EFI_SUCCESS The data was read correctly from the device.\r | |
727 | @retval EFI_DEVICE_ERROR The device reported an error while performing the read.\r | |
728 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
729 | @retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.\r | |
730 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
731 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r | |
732 | or the buffer is not on proper alignment.\r | |
733 | \r | |
734 | **/\r | |
735 | EFI_STATUS\r | |
736 | EFIAPI\r | |
737 | SdReadBlocks (\r | |
738 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
739 | IN UINT32 MediaId,\r | |
740 | IN EFI_LBA Lba,\r | |
741 | IN UINTN BufferSize,\r | |
742 | OUT VOID *Buffer\r | |
743 | )\r | |
744 | {\r | |
745 | EFI_STATUS Status;\r | |
746 | SD_DEVICE *Device;\r | |
747 | \r | |
748 | Device = SD_DEVICE_DATA_FROM_BLKIO (This);\r | |
749 | \r | |
750 | Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, NULL);\r | |
751 | return Status;\r | |
752 | }\r | |
753 | \r | |
754 | /**\r | |
755 | Write BufferSize bytes from Lba into Buffer.\r | |
756 | \r | |
757 | @param This Indicates a pointer to the calling context.\r | |
758 | @param MediaId The media ID that the write request is for.\r | |
759 | @param Lba The starting logical block address to be written. The caller is\r | |
760 | responsible for writing to only legitimate locations.\r | |
761 | @param BufferSize Size of Buffer, must be a multiple of device block size.\r | |
762 | @param Buffer A pointer to the source buffer for the data.\r | |
763 | \r | |
764 | @retval EFI_SUCCESS The data was written correctly to the device.\r | |
765 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
766 | @retval EFI_DEVICE_ERROR The device reported an error while performing the write.\r | |
767 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
768 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
769 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
770 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r | |
771 | or the buffer is not on proper alignment.\r | |
772 | \r | |
773 | **/\r | |
774 | EFI_STATUS\r | |
775 | EFIAPI\r | |
776 | SdWriteBlocks (\r | |
777 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
778 | IN UINT32 MediaId,\r | |
779 | IN EFI_LBA Lba,\r | |
780 | IN UINTN BufferSize,\r | |
781 | IN VOID *Buffer\r | |
782 | )\r | |
783 | {\r | |
784 | EFI_STATUS Status;\r | |
785 | SD_DEVICE *Device;\r | |
786 | \r | |
787 | Device = SD_DEVICE_DATA_FROM_BLKIO (This);\r | |
788 | \r | |
789 | Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, NULL);\r | |
790 | return Status;\r | |
791 | }\r | |
792 | \r | |
793 | /**\r | |
794 | Flush the Block Device.\r | |
795 | \r | |
796 | @param This Indicates a pointer to the calling context.\r | |
797 | \r | |
798 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
799 | @retval EFI_DEVICE_ERROR The device reported an error while writing back the data\r | |
800 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
801 | \r | |
802 | **/\r | |
803 | EFI_STATUS\r | |
804 | EFIAPI\r | |
805 | SdFlushBlocks (\r | |
806 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
807 | )\r | |
808 | {\r | |
809 | //\r | |
810 | // return directly\r | |
811 | //\r | |
812 | return EFI_SUCCESS;\r | |
813 | }\r | |
814 | \r | |
815 | /**\r | |
816 | Reset the Block Device.\r | |
817 | \r | |
818 | @param[in] This Indicates a pointer to the calling context.\r | |
819 | @param[in] ExtendedVerification Driver may perform diagnostics on reset.\r | |
820 | \r | |
821 | @retval EFI_SUCCESS The device was reset.\r | |
822 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
823 | not be reset.\r | |
824 | \r | |
825 | **/\r | |
826 | EFI_STATUS\r | |
827 | EFIAPI\r | |
828 | SdResetEx (\r | |
829 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
830 | IN BOOLEAN ExtendedVerification\r | |
831 | )\r | |
832 | {\r | |
833 | SD_DEVICE *Device;\r | |
834 | LIST_ENTRY *Link;\r | |
835 | LIST_ENTRY *NextLink;\r | |
836 | SD_REQUEST *Request;\r | |
837 | EFI_TPL OldTpl;\r | |
838 | \r | |
839 | Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);\r | |
840 | \r | |
3b1d8241 | 841 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
48555339 FT |
842 | for (Link = GetFirstNode (&Device->Queue);\r |
843 | !IsNull (&Device->Queue, Link);\r | |
844 | Link = NextLink) {\r | |
845 | NextLink = GetNextNode (&Device->Queue, Link);\r | |
846 | RemoveEntryList (Link);\r | |
847 | \r | |
848 | Request = SD_REQUEST_FROM_LINK (Link);\r | |
849 | \r | |
850 | gBS->CloseEvent (Request->Event);\r | |
851 | Request->Token->TransactionStatus = EFI_ABORTED;\r | |
852 | \r | |
853 | if (Request->IsEnd) {\r | |
854 | gBS->SignalEvent (Request->Token->Event);\r | |
855 | }\r | |
856 | \r | |
857 | FreePool (Request);\r | |
858 | }\r | |
859 | gBS->RestoreTPL (OldTpl);\r | |
860 | \r | |
861 | return EFI_SUCCESS;\r | |
862 | }\r | |
863 | \r | |
864 | /**\r | |
865 | Read BufferSize bytes from Lba into Buffer.\r | |
866 | \r | |
867 | @param[in] This Indicates a pointer to the calling context.\r | |
868 | @param[in] MediaId Id of the media, changes every time the media is replaced.\r | |
869 | @param[in] Lba The starting Logical Block Address to read from.\r | |
870 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
871 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
872 | @param[out] Buffer A pointer to the destination buffer for the data. The caller is\r | |
873 | responsible for either having implicit or explicit ownership of the buffer.\r | |
874 | \r | |
875 | @retval EFI_SUCCESS The read request was queued if Event is not NULL.\r | |
876 | The data was read correctly from the device if\r | |
877 | the Event is NULL.\r | |
878 | @retval EFI_DEVICE_ERROR The device reported an error while performing\r | |
879 | the read.\r | |
880 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
881 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
882 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the\r | |
883 | intrinsic block size of the device.\r | |
884 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r | |
885 | or the buffer is not on proper alignment.\r | |
886 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack\r | |
887 | of resources.\r | |
888 | \r | |
889 | **/\r | |
890 | EFI_STATUS\r | |
891 | EFIAPI\r | |
892 | SdReadBlocksEx (\r | |
893 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
894 | IN UINT32 MediaId,\r | |
895 | IN EFI_LBA Lba,\r | |
896 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
897 | IN UINTN BufferSize,\r | |
898 | OUT VOID *Buffer\r | |
899 | )\r | |
900 | {\r | |
901 | EFI_STATUS Status;\r | |
902 | SD_DEVICE *Device;\r | |
903 | \r | |
904 | Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);\r | |
905 | \r | |
906 | Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, TRUE, Token);\r | |
907 | return Status;\r | |
908 | }\r | |
909 | \r | |
910 | /**\r | |
911 | Write BufferSize bytes from Lba into Buffer.\r | |
912 | \r | |
913 | @param[in] This Indicates a pointer to the calling context.\r | |
914 | @param[in] MediaId The media ID that the write request is for.\r | |
915 | @param[in] Lba The starting logical block address to be written. The\r | |
916 | caller is responsible for writing to only legitimate\r | |
917 | locations.\r | |
918 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
919 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
920 | @param[in] Buffer A pointer to the source buffer for the data.\r | |
921 | \r | |
922 | @retval EFI_SUCCESS The data was written correctly to the device.\r | |
923 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
924 | @retval EFI_DEVICE_ERROR The device reported an error while performing the write.\r | |
925 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
926 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
927 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
928 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r | |
929 | or the buffer is not on proper alignment.\r | |
930 | \r | |
931 | **/\r | |
932 | EFI_STATUS\r | |
933 | EFIAPI\r | |
934 | SdWriteBlocksEx (\r | |
935 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
936 | IN UINT32 MediaId,\r | |
937 | IN EFI_LBA Lba,\r | |
938 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
939 | IN UINTN BufferSize,\r | |
940 | IN VOID *Buffer\r | |
941 | )\r | |
942 | {\r | |
943 | EFI_STATUS Status;\r | |
944 | SD_DEVICE *Device;\r | |
945 | \r | |
946 | Device = SD_DEVICE_DATA_FROM_BLKIO2 (This);\r | |
947 | \r | |
948 | Status = SdReadWrite (Device, MediaId, Lba, Buffer, BufferSize, FALSE, Token);\r | |
949 | return Status;\r | |
950 | }\r | |
951 | \r | |
952 | /**\r | |
953 | Flush the Block Device.\r | |
954 | \r | |
955 | @param[in] This Indicates a pointer to the calling context.\r | |
956 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
957 | \r | |
958 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
959 | @retval EFI_DEVICE_ERROR The device reported an error while writing back the data\r | |
960 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
961 | \r | |
962 | **/\r | |
963 | EFI_STATUS\r | |
964 | EFIAPI\r | |
965 | SdFlushBlocksEx (\r | |
966 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
967 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
968 | )\r | |
969 | {\r | |
970 | //\r | |
971 | // Signal event and return directly.\r | |
972 | //\r | |
973 | if (Token != NULL && Token->Event != NULL) {\r | |
974 | Token->TransactionStatus = EFI_SUCCESS;\r | |
975 | gBS->SignalEvent (Token->Event);\r | |
976 | }\r | |
977 | \r | |
978 | return EFI_SUCCESS;\r | |
979 | }\r | |
980 | \r | |
275d5136 FT |
981 | /**\r |
982 | Set the erase start address through sync or async I/O request.\r | |
983 | \r | |
984 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
985 | @param[in] StartLba The starting logical block address to be erased.\r | |
986 | @param[in] Token A pointer to the token associated with the transaction.\r | |
987 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
988 | This parameter is only meaningful in async I/O request.\r | |
989 | \r | |
990 | @retval EFI_SUCCESS The request is executed successfully.\r | |
991 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
992 | @retval Others The request could not be executed successfully.\r | |
993 | \r | |
994 | **/\r | |
995 | EFI_STATUS\r | |
996 | SdEraseBlockStart (\r | |
997 | IN SD_DEVICE *Device,\r | |
998 | IN EFI_LBA StartLba,\r | |
999 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1000 | IN BOOLEAN IsEnd\r | |
1001 | )\r | |
1002 | {\r | |
1003 | EFI_STATUS Status;\r | |
1004 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1005 | SD_REQUEST *EraseBlockStart;\r | |
1006 | EFI_TPL OldTpl;\r | |
1007 | \r | |
1008 | EraseBlockStart = NULL;\r | |
1009 | PassThru = Device->Private->PassThru;\r | |
1010 | \r | |
1011 | EraseBlockStart = AllocateZeroPool (sizeof (SD_REQUEST));\r | |
1012 | if (EraseBlockStart == NULL) {\r | |
1013 | Status = EFI_OUT_OF_RESOURCES;\r | |
1014 | goto Error;\r | |
1015 | }\r | |
1016 | \r | |
1017 | EraseBlockStart->Signature = SD_REQUEST_SIGNATURE;\r | |
3b1d8241 | 1018 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 FT |
1019 | InsertTailList (&Device->Queue, &EraseBlockStart->Link);\r |
1020 | gBS->RestoreTPL (OldTpl);\r | |
1021 | EraseBlockStart->Packet.SdMmcCmdBlk = &EraseBlockStart->SdMmcCmdBlk;\r | |
1022 | EraseBlockStart->Packet.SdMmcStatusBlk = &EraseBlockStart->SdMmcStatusBlk;\r | |
1023 | EraseBlockStart->Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
1024 | \r | |
1025 | EraseBlockStart->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_START;\r | |
1026 | EraseBlockStart->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1027 | EraseBlockStart->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
1028 | \r | |
1029 | if (Device->SectorAddressing) {\r | |
1030 | EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)StartLba;\r | |
1031 | } else {\r | |
1032 | EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (StartLba, Device->BlockMedia.BlockSize);\r | |
1033 | }\r | |
1034 | \r | |
1035 | EraseBlockStart->IsEnd = IsEnd;\r | |
1036 | EraseBlockStart->Token = Token;\r | |
1037 | \r | |
1038 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1039 | Status = gBS->CreateEvent (\r | |
1040 | EVT_NOTIFY_SIGNAL,\r | |
3b1d8241 | 1041 | TPL_NOTIFY,\r |
275d5136 FT |
1042 | AsyncIoCallback,\r |
1043 | EraseBlockStart,\r | |
1044 | &EraseBlockStart->Event\r | |
1045 | );\r | |
1046 | if (EFI_ERROR (Status)) {\r | |
1047 | goto Error;\r | |
1048 | }\r | |
1049 | } else {\r | |
1050 | EraseBlockStart->Event = NULL;\r | |
1051 | }\r | |
1052 | \r | |
1053 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockStart->Packet, EraseBlockStart->Event);\r | |
1054 | \r | |
1055 | Error:\r | |
1056 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1057 | //\r | |
1058 | // For asynchronous operation, only free request and event in error case.\r | |
1059 | // The request and event will be freed in asynchronous callback for success case.\r | |
1060 | //\r | |
1061 | if (EFI_ERROR (Status) && (EraseBlockStart != NULL)) {\r | |
3b1d8241 | 1062 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1063 | RemoveEntryList (&EraseBlockStart->Link);\r |
3b1d8241 | 1064 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1065 | if (EraseBlockStart->Event != NULL) {\r |
1066 | gBS->CloseEvent (EraseBlockStart->Event);\r | |
1067 | }\r | |
1068 | FreePool (EraseBlockStart);\r | |
1069 | }\r | |
1070 | } else {\r | |
1071 | //\r | |
1072 | // For synchronous operation, free request whatever the execution result is.\r | |
1073 | //\r | |
1074 | if (EraseBlockStart != NULL) {\r | |
3b1d8241 | 1075 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1076 | RemoveEntryList (&EraseBlockStart->Link);\r |
3b1d8241 | 1077 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1078 | FreePool (EraseBlockStart);\r |
1079 | }\r | |
1080 | }\r | |
1081 | \r | |
1082 | return Status;\r | |
1083 | }\r | |
1084 | \r | |
1085 | /**\r | |
1086 | Set the erase end address through sync or async I/O request.\r | |
1087 | \r | |
1088 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
1089 | @param[in] EndLba The ending logical block address to be erased.\r | |
1090 | @param[in] Token A pointer to the token associated with the transaction.\r | |
1091 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
1092 | This parameter is only meaningful in async I/O request.\r | |
1093 | \r | |
1094 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1095 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1096 | @retval Others The request could not be executed successfully.\r | |
1097 | \r | |
1098 | **/\r | |
1099 | EFI_STATUS\r | |
1100 | SdEraseBlockEnd (\r | |
1101 | IN SD_DEVICE *Device,\r | |
1102 | IN EFI_LBA EndLba,\r | |
1103 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1104 | IN BOOLEAN IsEnd\r | |
1105 | )\r | |
1106 | {\r | |
1107 | EFI_STATUS Status;\r | |
1108 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1109 | SD_REQUEST *EraseBlockEnd;\r | |
1110 | EFI_TPL OldTpl;\r | |
1111 | \r | |
1112 | EraseBlockEnd = NULL;\r | |
1113 | PassThru = Device->Private->PassThru;\r | |
1114 | \r | |
1115 | EraseBlockEnd = AllocateZeroPool (sizeof (SD_REQUEST));\r | |
1116 | if (EraseBlockEnd == NULL) {\r | |
1117 | Status = EFI_OUT_OF_RESOURCES;\r | |
1118 | goto Error;\r | |
1119 | }\r | |
1120 | \r | |
1121 | EraseBlockEnd->Signature = SD_REQUEST_SIGNATURE;\r | |
3b1d8241 | 1122 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 FT |
1123 | InsertTailList (&Device->Queue, &EraseBlockEnd->Link);\r |
1124 | gBS->RestoreTPL (OldTpl);\r | |
1125 | EraseBlockEnd->Packet.SdMmcCmdBlk = &EraseBlockEnd->SdMmcCmdBlk;\r | |
1126 | EraseBlockEnd->Packet.SdMmcStatusBlk = &EraseBlockEnd->SdMmcStatusBlk;\r | |
1127 | EraseBlockEnd->Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
1128 | \r | |
1129 | EraseBlockEnd->SdMmcCmdBlk.CommandIndex = SD_ERASE_WR_BLK_END;\r | |
1130 | EraseBlockEnd->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1131 | EraseBlockEnd->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
1132 | \r | |
1133 | if (Device->SectorAddressing) {\r | |
1134 | EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)EndLba;\r | |
1135 | } else {\r | |
1136 | EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (EndLba, Device->BlockMedia.BlockSize);\r | |
1137 | }\r | |
1138 | \r | |
1139 | EraseBlockEnd->IsEnd = IsEnd;\r | |
1140 | EraseBlockEnd->Token = Token;\r | |
1141 | \r | |
1142 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1143 | Status = gBS->CreateEvent (\r | |
1144 | EVT_NOTIFY_SIGNAL,\r | |
3b1d8241 | 1145 | TPL_NOTIFY,\r |
275d5136 FT |
1146 | AsyncIoCallback,\r |
1147 | EraseBlockEnd,\r | |
1148 | &EraseBlockEnd->Event\r | |
1149 | );\r | |
1150 | if (EFI_ERROR (Status)) {\r | |
1151 | goto Error;\r | |
1152 | }\r | |
1153 | } else {\r | |
1154 | EraseBlockEnd->Event = NULL;\r | |
1155 | }\r | |
1156 | \r | |
1157 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockEnd->Packet, EraseBlockEnd->Event);\r | |
1158 | \r | |
1159 | Error:\r | |
1160 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1161 | //\r | |
1162 | // For asynchronous operation, only free request and event in error case.\r | |
1163 | // The request and event will be freed in asynchronous callback for success case.\r | |
1164 | //\r | |
1165 | if (EFI_ERROR (Status) && (EraseBlockEnd != NULL)) {\r | |
3b1d8241 | 1166 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1167 | RemoveEntryList (&EraseBlockEnd->Link);\r |
3b1d8241 | 1168 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1169 | if (EraseBlockEnd->Event != NULL) {\r |
1170 | gBS->CloseEvent (EraseBlockEnd->Event);\r | |
1171 | }\r | |
1172 | FreePool (EraseBlockEnd);\r | |
1173 | }\r | |
1174 | } else {\r | |
1175 | //\r | |
1176 | // For synchronous operation, free request whatever the execution result is.\r | |
1177 | //\r | |
1178 | if (EraseBlockEnd != NULL) {\r | |
3b1d8241 | 1179 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1180 | RemoveEntryList (&EraseBlockEnd->Link);\r |
3b1d8241 | 1181 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1182 | FreePool (EraseBlockEnd);\r |
1183 | }\r | |
1184 | }\r | |
1185 | \r | |
1186 | return Status;\r | |
1187 | }\r | |
1188 | \r | |
1189 | /**\r | |
1190 | Erase specified blocks through sync or async I/O request.\r | |
1191 | \r | |
1192 | @param[in] Device A pointer to the SD_DEVICE instance.\r | |
1193 | @param[in] Token A pointer to the token associated with the transaction.\r | |
1194 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
1195 | This parameter is only meaningful in async I/O request.\r | |
1196 | \r | |
1197 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1198 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1199 | @retval Others The request could not be executed successfully.\r | |
1200 | \r | |
1201 | **/\r | |
1202 | EFI_STATUS\r | |
1203 | SdEraseBlock (\r | |
1204 | IN SD_DEVICE *Device,\r | |
1205 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1206 | IN BOOLEAN IsEnd\r | |
1207 | )\r | |
1208 | {\r | |
1209 | EFI_STATUS Status;\r | |
1210 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1211 | SD_REQUEST *EraseBlock;\r | |
1212 | EFI_TPL OldTpl;\r | |
1213 | \r | |
1214 | EraseBlock = NULL;\r | |
1215 | PassThru = Device->Private->PassThru;\r | |
1216 | \r | |
1217 | EraseBlock = AllocateZeroPool (sizeof (SD_REQUEST));\r | |
1218 | if (EraseBlock == NULL) {\r | |
1219 | Status = EFI_OUT_OF_RESOURCES;\r | |
1220 | goto Error;\r | |
1221 | }\r | |
1222 | \r | |
1223 | EraseBlock->Signature = SD_REQUEST_SIGNATURE;\r | |
3b1d8241 | 1224 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 FT |
1225 | InsertTailList (&Device->Queue, &EraseBlock->Link);\r |
1226 | gBS->RestoreTPL (OldTpl);\r | |
1227 | EraseBlock->Packet.SdMmcCmdBlk = &EraseBlock->SdMmcCmdBlk;\r | |
1228 | EraseBlock->Packet.SdMmcStatusBlk = &EraseBlock->SdMmcStatusBlk;\r | |
1229 | EraseBlock->Packet.Timeout = SD_GENERIC_TIMEOUT;\r | |
1230 | \r | |
1231 | EraseBlock->SdMmcCmdBlk.CommandIndex = SD_ERASE;\r | |
1232 | EraseBlock->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1233 | EraseBlock->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
1234 | \r | |
1235 | EraseBlock->IsEnd = IsEnd;\r | |
1236 | EraseBlock->Token = Token;\r | |
1237 | \r | |
1238 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1239 | Status = gBS->CreateEvent (\r | |
1240 | EVT_NOTIFY_SIGNAL,\r | |
3b1d8241 | 1241 | TPL_NOTIFY,\r |
275d5136 FT |
1242 | AsyncIoCallback,\r |
1243 | EraseBlock,\r | |
1244 | &EraseBlock->Event\r | |
1245 | );\r | |
1246 | if (EFI_ERROR (Status)) {\r | |
1247 | goto Error;\r | |
1248 | }\r | |
1249 | } else {\r | |
1250 | EraseBlock->Event = NULL;\r | |
1251 | }\r | |
1252 | \r | |
1253 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlock->Packet, EraseBlock->Event);\r | |
1254 | \r | |
1255 | Error:\r | |
1256 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1257 | //\r | |
1258 | // For asynchronous operation, only free request and event in error case.\r | |
1259 | // The request and event will be freed in asynchronous callback for success case.\r | |
1260 | //\r | |
1261 | if (EFI_ERROR (Status) && (EraseBlock != NULL)) {\r | |
3b1d8241 | 1262 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1263 | RemoveEntryList (&EraseBlock->Link);\r |
3b1d8241 | 1264 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1265 | if (EraseBlock->Event != NULL) {\r |
1266 | gBS->CloseEvent (EraseBlock->Event);\r | |
1267 | }\r | |
1268 | FreePool (EraseBlock);\r | |
1269 | }\r | |
1270 | } else {\r | |
1271 | //\r | |
1272 | // For synchronous operation, free request whatever the execution result is.\r | |
1273 | //\r | |
1274 | if (EraseBlock != NULL) {\r | |
3b1d8241 | 1275 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
275d5136 | 1276 | RemoveEntryList (&EraseBlock->Link);\r |
3b1d8241 | 1277 | gBS->RestoreTPL (OldTpl);\r |
275d5136 FT |
1278 | FreePool (EraseBlock);\r |
1279 | }\r | |
1280 | }\r | |
1281 | \r | |
1282 | return Status;\r | |
1283 | }\r | |
1284 | \r | |
1285 | /**\r | |
1286 | Erase a specified number of device blocks.\r | |
1287 | \r | |
1288 | @param[in] This Indicates a pointer to the calling context.\r | |
1289 | @param[in] MediaId The media ID that the erase request is for.\r | |
1290 | @param[in] Lba The starting logical block address to be\r | |
1291 | erased. The caller is responsible for erasing\r | |
1292 | only legitimate locations.\r | |
1293 | @param[in, out] Token A pointer to the token associated with the\r | |
1294 | transaction.\r | |
1295 | @param[in] Size The size in bytes to be erased. This must be\r | |
1296 | a multiple of the physical block size of the\r | |
1297 | device.\r | |
1298 | \r | |
1299 | @retval EFI_SUCCESS The erase request was queued if Event is not\r | |
1300 | NULL. The data was erased correctly to the\r | |
1301 | device if the Event is NULL.to the device.\r | |
1302 | @retval EFI_WRITE_PROTECTED The device cannot be erased due to write\r | |
1303 | protection.\r | |
1304 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
1305 | to perform the erase operation.\r | |
1306 | @retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not\r | |
1307 | valid.\r | |
1308 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1309 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1310 | \r | |
1311 | **/\r | |
1312 | EFI_STATUS\r | |
1313 | EFIAPI\r | |
1314 | SdEraseBlocks (\r | |
1315 | IN EFI_ERASE_BLOCK_PROTOCOL *This,\r | |
1316 | IN UINT32 MediaId,\r | |
1317 | IN EFI_LBA Lba,\r | |
1318 | IN OUT EFI_ERASE_BLOCK_TOKEN *Token,\r | |
1319 | IN UINTN Size\r | |
1320 | )\r | |
1321 | {\r | |
1322 | EFI_STATUS Status;\r | |
1323 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1324 | UINTN BlockSize;\r | |
1325 | UINTN BlockNum;\r | |
1326 | EFI_LBA LastLba;\r | |
1327 | SD_DEVICE *Device;\r | |
1328 | \r | |
1329 | Status = EFI_SUCCESS;\r | |
1330 | Device = SD_DEVICE_DATA_FROM_ERASEBLK (This);\r | |
1331 | Media = &Device->BlockMedia;\r | |
1332 | \r | |
1333 | if (MediaId != Media->MediaId) {\r | |
1334 | return EFI_MEDIA_CHANGED;\r | |
1335 | }\r | |
1336 | \r | |
1337 | if (Media->ReadOnly) {\r | |
1338 | return EFI_WRITE_PROTECTED;\r | |
1339 | }\r | |
1340 | \r | |
1341 | //\r | |
1342 | // Check parameters.\r | |
1343 | //\r | |
1344 | BlockSize = Media->BlockSize;\r | |
1345 | if ((Size % BlockSize) != 0) {\r | |
1346 | return EFI_INVALID_PARAMETER;\r | |
1347 | }\r | |
1348 | \r | |
1349 | BlockNum = Size / BlockSize;\r | |
1350 | if ((Lba + BlockNum - 1) > Media->LastBlock) {\r | |
1351 | return EFI_INVALID_PARAMETER;\r | |
1352 | }\r | |
1353 | \r | |
1354 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1355 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1356 | }\r | |
1357 | \r | |
1358 | LastLba = Lba + BlockNum - 1;\r | |
1359 | \r | |
1360 | Status = SdEraseBlockStart (Device, Lba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);\r | |
1361 | if (EFI_ERROR (Status)) {\r | |
1362 | return Status;\r | |
1363 | }\r | |
1364 | \r | |
1365 | Status = SdEraseBlockEnd (Device, LastLba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);\r | |
1366 | if (EFI_ERROR (Status)) {\r | |
1367 | return Status;\r | |
1368 | }\r | |
1369 | \r | |
1370 | Status = SdEraseBlock (Device, (EFI_BLOCK_IO2_TOKEN*)Token, TRUE);\r | |
1371 | if (EFI_ERROR (Status)) {\r | |
1372 | return Status;\r | |
1373 | }\r | |
1374 | \r | |
1375 | DEBUG ((EFI_D_ERROR, "SdEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n", Lba, BlockNum, Token->Event, Status));\r | |
1376 | \r | |
1377 | return Status;\r | |
1378 | }\r | |
48555339 | 1379 | \r |