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1 | /** @file\r | |
2 | The helper functions for BlockIo and BlockIo2 protocol.\r | |
3 | \r | |
4 | Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>\r | |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
6 | \r | |
7 | **/\r | |
8 | \r | |
9 | #include "EmmcDxe.h"\r | |
10 | \r | |
11 | /**\r | |
12 | Nonblocking I/O callback funtion when the event is signaled.\r | |
13 | \r | |
14 | @param[in] Event The Event this notify function registered to.\r | |
15 | @param[in] Context Pointer to the context data registered to the\r | |
16 | Event.\r | |
17 | \r | |
18 | **/\r | |
19 | VOID\r | |
20 | EFIAPI\r | |
21 | AsyncIoCallback (\r | |
22 | IN EFI_EVENT Event,\r | |
23 | IN VOID *Context\r | |
24 | )\r | |
25 | {\r | |
26 | EMMC_REQUEST *Request;\r | |
27 | EFI_STATUS Status;\r | |
28 | \r | |
29 | Status = gBS->CloseEvent (Event);\r | |
30 | if (EFI_ERROR (Status)) {\r | |
31 | return;\r | |
32 | }\r | |
33 | \r | |
34 | Request = (EMMC_REQUEST *) Context;\r | |
35 | \r | |
36 | DEBUG_CODE_BEGIN ();\r | |
37 | DEBUG ((EFI_D_INFO, "Emmc Async Request: CmdIndex[%d] Arg[%08x] %r\n",\r | |
38 | Request->SdMmcCmdBlk.CommandIndex, Request->SdMmcCmdBlk.CommandArgument,\r | |
39 | Request->Packet.TransactionStatus));\r | |
40 | DEBUG_CODE_END ();\r | |
41 | \r | |
42 | if (EFI_ERROR (Request->Packet.TransactionStatus)) {\r | |
43 | Request->Token->TransactionStatus = Request->Packet.TransactionStatus;\r | |
44 | }\r | |
45 | \r | |
46 | RemoveEntryList (&Request->Link);\r | |
47 | \r | |
48 | if (Request->IsEnd) {\r | |
49 | gBS->SignalEvent (Request->Token->Event);\r | |
50 | }\r | |
51 | \r | |
52 | FreePool (Request);\r | |
53 | }\r | |
54 | \r | |
55 | /**\r | |
56 | Send command SELECT to the device to select/deselect the device.\r | |
57 | \r | |
58 | @param[in] Device A pointer to the EMMC_DEVICE instance.\r | |
59 | @param[in] Rca The relative device address to use.\r | |
60 | \r | |
61 | @retval EFI_SUCCESS The request is executed successfully.\r | |
62 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
63 | @retval Others The request could not be executed successfully.\r | |
64 | \r | |
65 | **/\r | |
66 | EFI_STATUS\r | |
67 | EmmcSelect (\r | |
68 | IN EMMC_DEVICE *Device,\r | |
69 | IN UINT16 Rca\r | |
70 | )\r | |
71 | {\r | |
72 | EFI_STATUS Status;\r | |
73 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
74 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
75 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
76 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
77 | \r | |
78 | PassThru = Device->Private->PassThru;\r | |
79 | \r | |
80 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
81 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
82 | ZeroMem (&Packet, sizeof (Packet));\r | |
83 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
84 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
85 | Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
86 | \r | |
87 | SdMmcCmdBlk.CommandIndex = EMMC_SELECT_DESELECT_CARD;\r | |
88 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
89 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
90 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
91 | \r | |
92 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
93 | \r | |
94 | return Status;\r | |
95 | }\r | |
96 | \r | |
97 | /**\r | |
98 | Send command SEND_STATUS to the device to get device status.\r | |
99 | \r | |
100 | @param[in] Device A pointer to the EMMC_DEVICE instance.\r | |
101 | @param[in] Rca The relative device address to use.\r | |
102 | @param[out] DevStatus The buffer to store the device status.\r | |
103 | \r | |
104 | @retval EFI_SUCCESS The request is executed successfully.\r | |
105 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
106 | @retval Others The request could not be executed successfully.\r | |
107 | \r | |
108 | **/\r | |
109 | EFI_STATUS\r | |
110 | EmmcSendStatus (\r | |
111 | IN EMMC_DEVICE *Device,\r | |
112 | IN UINT16 Rca,\r | |
113 | OUT UINT32 *DevStatus\r | |
114 | )\r | |
115 | {\r | |
116 | EFI_STATUS Status;\r | |
117 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
118 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
119 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
120 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
121 | \r | |
122 | PassThru = Device->Private->PassThru;\r | |
123 | \r | |
124 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
125 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
126 | ZeroMem (&Packet, sizeof (Packet));\r | |
127 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
128 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
129 | Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
130 | \r | |
131 | SdMmcCmdBlk.CommandIndex = EMMC_SEND_STATUS;\r | |
132 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
133 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
134 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
135 | \r | |
136 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
137 | if (!EFI_ERROR (Status)) {\r | |
138 | CopyMem (DevStatus, &SdMmcStatusBlk.Resp0, sizeof (UINT32));\r | |
139 | }\r | |
140 | \r | |
141 | return Status;\r | |
142 | }\r | |
143 | \r | |
144 | /**\r | |
145 | Send command SEND_CSD to the device to get the CSD register data.\r | |
146 | \r | |
147 | @param[in] Device A pointer to the EMMC_DEVICE instance.\r | |
148 | @param[in] Rca The relative device address to use.\r | |
149 | @param[out] Csd The buffer to store the EMMC_CSD register data.\r | |
150 | \r | |
151 | @retval EFI_SUCCESS The request is executed successfully.\r | |
152 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
153 | @retval Others The request could not be executed successfully.\r | |
154 | \r | |
155 | **/\r | |
156 | EFI_STATUS\r | |
157 | EmmcGetCsd (\r | |
158 | IN EMMC_DEVICE *Device,\r | |
159 | IN UINT16 Rca,\r | |
160 | OUT EMMC_CSD *Csd\r | |
161 | )\r | |
162 | {\r | |
163 | EFI_STATUS Status;\r | |
164 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
165 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
166 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
167 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
168 | \r | |
169 | PassThru = Device->Private->PassThru;\r | |
170 | \r | |
171 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
172 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
173 | ZeroMem (&Packet, sizeof (Packet));\r | |
174 | ZeroMem (Csd, sizeof (EMMC_CSD));\r | |
175 | \r | |
176 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
177 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
178 | Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
179 | \r | |
180 | SdMmcCmdBlk.CommandIndex = EMMC_SEND_CSD;\r | |
181 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
182 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\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 | //\r | |
188 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
189 | //\r | |
190 | CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (EMMC_CSD) - 1);\r | |
191 | }\r | |
192 | \r | |
193 | return Status;\r | |
194 | }\r | |
195 | \r | |
196 | /**\r | |
197 | Send command SEND_CID to the device to get the CID register data.\r | |
198 | \r | |
199 | @param[in] Device A pointer to the EMMC_DEVICE instance.\r | |
200 | @param[in] Rca The relative device address to use.\r | |
201 | @param[out] Cid The buffer to store the EMMC_CID register data.\r | |
202 | \r | |
203 | @retval EFI_SUCCESS The request is executed successfully.\r | |
204 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
205 | @retval Others The request could not be executed successfully.\r | |
206 | \r | |
207 | **/\r | |
208 | EFI_STATUS\r | |
209 | EmmcGetCid (\r | |
210 | IN EMMC_DEVICE *Device,\r | |
211 | IN UINT16 Rca,\r | |
212 | OUT EMMC_CID *Cid\r | |
213 | )\r | |
214 | {\r | |
215 | EFI_STATUS Status;\r | |
216 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
217 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
218 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
219 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
220 | \r | |
221 | PassThru = Device->Private->PassThru;\r | |
222 | \r | |
223 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
224 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
225 | ZeroMem (&Packet, sizeof (Packet));\r | |
226 | ZeroMem (Cid, sizeof (EMMC_CID));\r | |
227 | \r | |
228 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
229 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
230 | Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
231 | \r | |
232 | SdMmcCmdBlk.CommandIndex = EMMC_SEND_CID;\r | |
233 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
234 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r | |
235 | SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r | |
236 | \r | |
237 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
238 | if (!EFI_ERROR (Status)) {\r | |
239 | //\r | |
240 | // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r | |
241 | //\r | |
242 | CopyMem (((UINT8*)Cid) + 1, &SdMmcStatusBlk.Resp0, sizeof (EMMC_CID) - 1);\r | |
243 | }\r | |
244 | \r | |
245 | return Status;\r | |
246 | }\r | |
247 | \r | |
248 | /**\r | |
249 | Send command SEND_EXT_CSD to the device to get the EXT_CSD register data.\r | |
250 | \r | |
251 | @param[in] Device A pointer to the EMMC_DEVICE instance.\r | |
252 | @param[out] ExtCsd The buffer to store the EXT_CSD register data.\r | |
253 | \r | |
254 | @retval EFI_SUCCESS The request is executed successfully.\r | |
255 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
256 | @retval Others The request could not be executed successfully.\r | |
257 | \r | |
258 | **/\r | |
259 | EFI_STATUS\r | |
260 | EmmcGetExtCsd (\r | |
261 | IN EMMC_DEVICE *Device,\r | |
262 | OUT EMMC_EXT_CSD *ExtCsd\r | |
263 | )\r | |
264 | {\r | |
265 | EFI_STATUS Status;\r | |
266 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
267 | EFI_SD_MMC_COMMAND_BLOCK SdMmcCmdBlk;\r | |
268 | EFI_SD_MMC_STATUS_BLOCK SdMmcStatusBlk;\r | |
269 | EFI_SD_MMC_PASS_THRU_COMMAND_PACKET Packet;\r | |
270 | \r | |
271 | PassThru = Device->Private->PassThru;\r | |
272 | \r | |
273 | ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r | |
274 | ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r | |
275 | ZeroMem (&Packet, sizeof (Packet));\r | |
276 | ZeroMem (ExtCsd, sizeof (EMMC_EXT_CSD));\r | |
277 | Packet.SdMmcCmdBlk = &SdMmcCmdBlk;\r | |
278 | Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r | |
279 | Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
280 | \r | |
281 | SdMmcCmdBlk.CommandIndex = EMMC_SEND_EXT_CSD;\r | |
282 | SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
283 | SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
284 | SdMmcCmdBlk.CommandArgument = 0x00000000;\r | |
285 | Packet.InDataBuffer = ExtCsd;\r | |
286 | Packet.InTransferLength = sizeof (EMMC_EXT_CSD);\r | |
287 | \r | |
288 | Status = PassThru->PassThru (PassThru, Device->Slot, &Packet, NULL);\r | |
289 | \r | |
290 | return Status;\r | |
291 | }\r | |
292 | \r | |
293 | /**\r | |
294 | Set the specified EXT_CSD register field through sync or async I/O request.\r | |
295 | \r | |
296 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
297 | @param[in] Offset The offset of the specified field in EXT_CSD register.\r | |
298 | @param[in] Value The byte value written to the field specified by Offset.\r | |
299 | @param[in] Token A pointer to the token associated with the transaction.\r | |
300 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
301 | This parameter is only meaningful in async I/O request.\r | |
302 | \r | |
303 | @retval EFI_SUCCESS The request is executed successfully.\r | |
304 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
305 | @retval Others The request could not be executed successfully.\r | |
306 | \r | |
307 | **/\r | |
308 | EFI_STATUS\r | |
309 | EmmcSetExtCsd (\r | |
310 | IN EMMC_PARTITION *Partition,\r | |
311 | IN UINT8 Offset,\r | |
312 | IN UINT8 Value,\r | |
313 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
314 | IN BOOLEAN IsEnd\r | |
315 | )\r | |
316 | {\r | |
317 | EFI_STATUS Status;\r | |
318 | EMMC_DEVICE *Device;\r | |
319 | EMMC_REQUEST *SetExtCsdReq;\r | |
320 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
321 | UINT32 CommandArgument;\r | |
322 | EFI_TPL OldTpl;\r | |
323 | \r | |
324 | SetExtCsdReq = NULL;\r | |
325 | \r | |
326 | Device = Partition->Device;\r | |
327 | PassThru = Device->Private->PassThru;\r | |
328 | \r | |
329 | SetExtCsdReq = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
330 | if (SetExtCsdReq == NULL) {\r | |
331 | Status = EFI_OUT_OF_RESOURCES;\r | |
332 | goto Error;\r | |
333 | }\r | |
334 | \r | |
335 | SetExtCsdReq->Signature = EMMC_REQUEST_SIGNATURE;\r | |
336 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
337 | InsertTailList (&Partition->Queue, &SetExtCsdReq->Link);\r | |
338 | gBS->RestoreTPL (OldTpl);\r | |
339 | SetExtCsdReq->Packet.SdMmcCmdBlk = &SetExtCsdReq->SdMmcCmdBlk;\r | |
340 | SetExtCsdReq->Packet.SdMmcStatusBlk = &SetExtCsdReq->SdMmcStatusBlk;\r | |
341 | SetExtCsdReq->Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
342 | \r | |
343 | SetExtCsdReq->SdMmcCmdBlk.CommandIndex = EMMC_SWITCH;\r | |
344 | SetExtCsdReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
345 | SetExtCsdReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
346 | //\r | |
347 | // Write the Value to the field specified by Offset.\r | |
348 | //\r | |
349 | CommandArgument = (Value << 8) | (Offset << 16) | BIT24 | BIT25;\r | |
350 | SetExtCsdReq->SdMmcCmdBlk.CommandArgument = CommandArgument;\r | |
351 | \r | |
352 | SetExtCsdReq->IsEnd = IsEnd;\r | |
353 | SetExtCsdReq->Token = Token;\r | |
354 | \r | |
355 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
356 | Status = gBS->CreateEvent (\r | |
357 | EVT_NOTIFY_SIGNAL,\r | |
358 | TPL_NOTIFY,\r | |
359 | AsyncIoCallback,\r | |
360 | SetExtCsdReq,\r | |
361 | &SetExtCsdReq->Event\r | |
362 | );\r | |
363 | if (EFI_ERROR (Status)) {\r | |
364 | goto Error;\r | |
365 | }\r | |
366 | } else {\r | |
367 | SetExtCsdReq->Event = NULL;\r | |
368 | }\r | |
369 | \r | |
370 | Status = PassThru->PassThru (PassThru, Device->Slot, &SetExtCsdReq->Packet, SetExtCsdReq->Event);\r | |
371 | \r | |
372 | Error:\r | |
373 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
374 | //\r | |
375 | // For asynchronous operation, only free request and event in error case.\r | |
376 | // The request and event will be freed in asynchronous callback for success case.\r | |
377 | //\r | |
378 | if (EFI_ERROR (Status) && (SetExtCsdReq != NULL)) {\r | |
379 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
380 | RemoveEntryList (&SetExtCsdReq->Link);\r | |
381 | gBS->RestoreTPL (OldTpl);\r | |
382 | if (SetExtCsdReq->Event != NULL) {\r | |
383 | gBS->CloseEvent (SetExtCsdReq->Event);\r | |
384 | }\r | |
385 | FreePool (SetExtCsdReq);\r | |
386 | }\r | |
387 | } else {\r | |
388 | //\r | |
389 | // For synchronous operation, free request whatever the execution result is.\r | |
390 | //\r | |
391 | if (SetExtCsdReq != NULL) {\r | |
392 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
393 | RemoveEntryList (&SetExtCsdReq->Link);\r | |
394 | gBS->RestoreTPL (OldTpl);\r | |
395 | FreePool (SetExtCsdReq);\r | |
396 | }\r | |
397 | }\r | |
398 | \r | |
399 | return Status;\r | |
400 | }\r | |
401 | \r | |
402 | /**\r | |
403 | Set the number of blocks for a block read/write cmd through sync or async I/O request.\r | |
404 | \r | |
405 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
406 | @param[in] BlockNum The number of blocks for transfer.\r | |
407 | @param[in] Token A pointer to the token associated with the transaction.\r | |
408 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
409 | This parameter is only meaningful in async I/O request.\r | |
410 | \r | |
411 | @retval EFI_SUCCESS The request is executed successfully.\r | |
412 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
413 | @retval Others The request could not be executed successfully.\r | |
414 | \r | |
415 | **/\r | |
416 | EFI_STATUS\r | |
417 | EmmcSetBlkCount (\r | |
418 | IN EMMC_PARTITION *Partition,\r | |
419 | IN UINT16 BlockNum,\r | |
420 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
421 | IN BOOLEAN IsEnd\r | |
422 | )\r | |
423 | {\r | |
424 | EFI_STATUS Status;\r | |
425 | EMMC_DEVICE *Device;\r | |
426 | EMMC_REQUEST *SetBlkCntReq;\r | |
427 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
428 | EFI_TPL OldTpl;\r | |
429 | \r | |
430 | SetBlkCntReq = NULL;\r | |
431 | \r | |
432 | Device = Partition->Device;\r | |
433 | PassThru = Device->Private->PassThru;\r | |
434 | \r | |
435 | SetBlkCntReq = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
436 | if (SetBlkCntReq == NULL) {\r | |
437 | Status = EFI_OUT_OF_RESOURCES;\r | |
438 | goto Error;\r | |
439 | }\r | |
440 | \r | |
441 | SetBlkCntReq->Signature = EMMC_REQUEST_SIGNATURE;\r | |
442 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
443 | InsertTailList (&Partition->Queue, &SetBlkCntReq->Link);\r | |
444 | gBS->RestoreTPL (OldTpl);\r | |
445 | SetBlkCntReq->Packet.SdMmcCmdBlk = &SetBlkCntReq->SdMmcCmdBlk;\r | |
446 | SetBlkCntReq->Packet.SdMmcStatusBlk = &SetBlkCntReq->SdMmcStatusBlk;\r | |
447 | SetBlkCntReq->Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
448 | \r | |
449 | SetBlkCntReq->SdMmcCmdBlk.CommandIndex = EMMC_SET_BLOCK_COUNT;\r | |
450 | SetBlkCntReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
451 | SetBlkCntReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
452 | SetBlkCntReq->SdMmcCmdBlk.CommandArgument = BlockNum;\r | |
453 | \r | |
454 | SetBlkCntReq->IsEnd = IsEnd;\r | |
455 | SetBlkCntReq->Token = Token;\r | |
456 | \r | |
457 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
458 | Status = gBS->CreateEvent (\r | |
459 | EVT_NOTIFY_SIGNAL,\r | |
460 | TPL_NOTIFY,\r | |
461 | AsyncIoCallback,\r | |
462 | SetBlkCntReq,\r | |
463 | &SetBlkCntReq->Event\r | |
464 | );\r | |
465 | if (EFI_ERROR (Status)) {\r | |
466 | goto Error;\r | |
467 | }\r | |
468 | } else {\r | |
469 | SetBlkCntReq->Event = NULL;\r | |
470 | }\r | |
471 | \r | |
472 | Status = PassThru->PassThru (PassThru, Device->Slot, &SetBlkCntReq->Packet, SetBlkCntReq->Event);\r | |
473 | \r | |
474 | Error:\r | |
475 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
476 | //\r | |
477 | // For asynchronous operation, only free request and event in error case.\r | |
478 | // The request and event will be freed in asynchronous callback for success case.\r | |
479 | //\r | |
480 | if (EFI_ERROR (Status) && (SetBlkCntReq != NULL)) {\r | |
481 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
482 | RemoveEntryList (&SetBlkCntReq->Link);\r | |
483 | gBS->RestoreTPL (OldTpl);\r | |
484 | if (SetBlkCntReq->Event != NULL) {\r | |
485 | gBS->CloseEvent (SetBlkCntReq->Event);\r | |
486 | }\r | |
487 | FreePool (SetBlkCntReq);\r | |
488 | }\r | |
489 | } else {\r | |
490 | //\r | |
491 | // For synchronous operation, free request whatever the execution result is.\r | |
492 | //\r | |
493 | if (SetBlkCntReq != NULL) {\r | |
494 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
495 | RemoveEntryList (&SetBlkCntReq->Link);\r | |
496 | gBS->RestoreTPL (OldTpl);\r | |
497 | FreePool (SetBlkCntReq);\r | |
498 | }\r | |
499 | }\r | |
500 | \r | |
501 | return Status;\r | |
502 | }\r | |
503 | \r | |
504 | /**\r | |
505 | Read blocks through security protocol cmds with the way of sync or async I/O request.\r | |
506 | \r | |
507 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
508 | @param[in] SecurityProtocolId The value of the "Security Protocol" parameter of\r | |
509 | the security protocol command to be sent.\r | |
510 | @param[in] SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter\r | |
511 | of the security protocol command to be sent.\r | |
512 | @param[in] PayloadBufferSize Size in bytes of the payload data buffer.\r | |
513 | @param[out] PayloadBuffer A pointer to a destination buffer to store the security\r | |
514 | protocol command specific payload data for the security\r | |
515 | protocol command. The caller is responsible for having\r | |
516 | either implicit or explicit ownership of the buffer.\r | |
517 | @param[in] IsRead Indicates it is a read or write operation.\r | |
518 | @param[in] Timeout The timeout value, in 100ns units.\r | |
519 | @param[in] Token A pointer to the token associated with the transaction.\r | |
520 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
521 | This parameter is only meaningful in async I/O request.\r | |
522 | \r | |
523 | @retval EFI_SUCCESS The request is executed successfully.\r | |
524 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
525 | @retval Others The request could not be executed successfully.\r | |
526 | \r | |
527 | **/\r | |
528 | EFI_STATUS\r | |
529 | EmmcProtocolInOut (\r | |
530 | IN EMMC_PARTITION *Partition,\r | |
531 | IN UINT8 SecurityProtocol,\r | |
532 | IN UINT16 SecurityProtocolSpecificData,\r | |
533 | IN UINTN PayloadBufferSize,\r | |
534 | OUT VOID *PayloadBuffer,\r | |
535 | IN BOOLEAN IsRead,\r | |
536 | IN UINT64 Timeout,\r | |
537 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
538 | IN BOOLEAN IsEnd\r | |
539 | )\r | |
540 | {\r | |
541 | EFI_STATUS Status;\r | |
542 | EMMC_DEVICE *Device;\r | |
543 | EMMC_REQUEST *ProtocolReq;\r | |
544 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
545 | EFI_TPL OldTpl;\r | |
546 | \r | |
547 | ProtocolReq = NULL;\r | |
548 | \r | |
549 | Device = Partition->Device;\r | |
550 | PassThru = Device->Private->PassThru;\r | |
551 | \r | |
552 | ProtocolReq = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
553 | if (ProtocolReq == NULL) {\r | |
554 | Status = EFI_OUT_OF_RESOURCES;\r | |
555 | goto Error;\r | |
556 | }\r | |
557 | \r | |
558 | ProtocolReq->Signature = EMMC_REQUEST_SIGNATURE;\r | |
559 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
560 | InsertTailList (&Partition->Queue, &ProtocolReq->Link);\r | |
561 | gBS->RestoreTPL (OldTpl);\r | |
562 | ProtocolReq->Packet.SdMmcCmdBlk = &ProtocolReq->SdMmcCmdBlk;\r | |
563 | ProtocolReq->Packet.SdMmcStatusBlk = &ProtocolReq->SdMmcStatusBlk;\r | |
564 | \r | |
565 | if (IsRead) {\r | |
566 | ProtocolReq->Packet.InDataBuffer = PayloadBuffer;\r | |
567 | ProtocolReq->Packet.InTransferLength = (UINT32)PayloadBufferSize;\r | |
568 | \r | |
569 | ProtocolReq->SdMmcCmdBlk.CommandIndex = EMMC_PROTOCOL_RD;\r | |
570 | ProtocolReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
571 | ProtocolReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
572 | } else {\r | |
573 | ProtocolReq->Packet.OutDataBuffer = PayloadBuffer;\r | |
574 | ProtocolReq->Packet.OutTransferLength = (UINT32)PayloadBufferSize;\r | |
575 | \r | |
576 | ProtocolReq->SdMmcCmdBlk.CommandIndex = EMMC_PROTOCOL_WR;\r | |
577 | ProtocolReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
578 | ProtocolReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
579 | }\r | |
580 | \r | |
581 | ProtocolReq->SdMmcCmdBlk.CommandArgument = (SecurityProtocol << 8) | (SecurityProtocolSpecificData << 16);\r | |
582 | //\r | |
583 | // Convert to 1 microsecond unit.\r | |
584 | //\r | |
585 | ProtocolReq->Packet.Timeout = DivU64x32 (Timeout, 10) + 1;\r | |
586 | \r | |
587 | ProtocolReq->IsEnd = IsEnd;\r | |
588 | ProtocolReq->Token = Token;\r | |
589 | \r | |
590 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
591 | Status = gBS->CreateEvent (\r | |
592 | EVT_NOTIFY_SIGNAL,\r | |
593 | TPL_NOTIFY,\r | |
594 | AsyncIoCallback,\r | |
595 | ProtocolReq,\r | |
596 | &ProtocolReq->Event\r | |
597 | );\r | |
598 | if (EFI_ERROR (Status)) {\r | |
599 | goto Error;\r | |
600 | }\r | |
601 | } else {\r | |
602 | ProtocolReq->Event = NULL;\r | |
603 | }\r | |
604 | \r | |
605 | Status = PassThru->PassThru (PassThru, Device->Slot, &ProtocolReq->Packet, ProtocolReq->Event);\r | |
606 | \r | |
607 | Error:\r | |
608 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
609 | //\r | |
610 | // For asynchronous operation, only free request and event in error case.\r | |
611 | // The request and event will be freed in asynchronous callback for success case.\r | |
612 | //\r | |
613 | if (EFI_ERROR (Status) && (ProtocolReq != NULL)) {\r | |
614 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
615 | RemoveEntryList (&ProtocolReq->Link);\r | |
616 | gBS->RestoreTPL (OldTpl);\r | |
617 | if (ProtocolReq->Event != NULL) {\r | |
618 | gBS->CloseEvent (ProtocolReq->Event);\r | |
619 | }\r | |
620 | FreePool (ProtocolReq);\r | |
621 | }\r | |
622 | } else {\r | |
623 | //\r | |
624 | // For synchronous operation, free request whatever the execution result is.\r | |
625 | //\r | |
626 | if (ProtocolReq != NULL) {\r | |
627 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
628 | RemoveEntryList (&ProtocolReq->Link);\r | |
629 | gBS->RestoreTPL (OldTpl);\r | |
630 | FreePool (ProtocolReq);\r | |
631 | }\r | |
632 | }\r | |
633 | \r | |
634 | return Status;\r | |
635 | }\r | |
636 | \r | |
637 | /**\r | |
638 | Read/write multiple blocks through sync or async I/O request.\r | |
639 | \r | |
640 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
641 | @param[in] Lba The starting logical block address to be read/written.\r | |
642 | The caller is responsible for reading/writing to only\r | |
643 | legitimate locations.\r | |
644 | @param[in] Buffer A pointer to the destination/source buffer for the data.\r | |
645 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
646 | @param[in] IsRead Indicates it is a read or write operation.\r | |
647 | @param[in] Token A pointer to the token associated with the transaction.\r | |
648 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
649 | This parameter is only meaningful in async I/O request.\r | |
650 | \r | |
651 | @retval EFI_SUCCESS The request is executed successfully.\r | |
652 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
653 | @retval Others The request could not be executed successfully.\r | |
654 | \r | |
655 | **/\r | |
656 | EFI_STATUS\r | |
657 | EmmcRwMultiBlocks (\r | |
658 | IN EMMC_PARTITION *Partition,\r | |
659 | IN EFI_LBA Lba,\r | |
660 | IN VOID *Buffer,\r | |
661 | IN UINTN BufferSize,\r | |
662 | IN BOOLEAN IsRead,\r | |
663 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
664 | IN BOOLEAN IsEnd\r | |
665 | )\r | |
666 | {\r | |
667 | EFI_STATUS Status;\r | |
668 | EMMC_DEVICE *Device;\r | |
669 | EMMC_REQUEST *RwMultiBlkReq;\r | |
670 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
671 | EFI_TPL OldTpl;\r | |
672 | \r | |
673 | RwMultiBlkReq = NULL;\r | |
674 | \r | |
675 | Device = Partition->Device;\r | |
676 | PassThru = Device->Private->PassThru;\r | |
677 | \r | |
678 | RwMultiBlkReq = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
679 | if (RwMultiBlkReq == NULL) {\r | |
680 | Status = EFI_OUT_OF_RESOURCES;\r | |
681 | goto Error;\r | |
682 | }\r | |
683 | \r | |
684 | RwMultiBlkReq->Signature = EMMC_REQUEST_SIGNATURE;\r | |
685 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
686 | InsertTailList (&Partition->Queue, &RwMultiBlkReq->Link);\r | |
687 | gBS->RestoreTPL (OldTpl);\r | |
688 | RwMultiBlkReq->Packet.SdMmcCmdBlk = &RwMultiBlkReq->SdMmcCmdBlk;\r | |
689 | RwMultiBlkReq->Packet.SdMmcStatusBlk = &RwMultiBlkReq->SdMmcStatusBlk;\r | |
690 | //\r | |
691 | // Calculate timeout value through the below formula.\r | |
692 | // Timeout = (transfer size) / (2MB/s).\r | |
693 | // Taking 2MB/s as divisor is because it's nearest to the eMMC lowest\r | |
694 | // transfer speed (2.4MB/s).\r | |
695 | // Refer to eMMC 5.0 spec section 6.9.1 for details.\r | |
696 | //\r | |
697 | RwMultiBlkReq->Packet.Timeout = (BufferSize / (2 * 1024 * 1024) + 1) * 1000 * 1000;\r | |
698 | \r | |
699 | if (IsRead) {\r | |
700 | RwMultiBlkReq->Packet.InDataBuffer = Buffer;\r | |
701 | RwMultiBlkReq->Packet.InTransferLength = (UINT32)BufferSize;\r | |
702 | \r | |
703 | RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = EMMC_READ_MULTIPLE_BLOCK;\r | |
704 | RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
705 | RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
706 | } else {\r | |
707 | RwMultiBlkReq->Packet.OutDataBuffer = Buffer;\r | |
708 | RwMultiBlkReq->Packet.OutTransferLength = (UINT32)BufferSize;\r | |
709 | \r | |
710 | RwMultiBlkReq->SdMmcCmdBlk.CommandIndex = EMMC_WRITE_MULTIPLE_BLOCK;\r | |
711 | RwMultiBlkReq->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAdtc;\r | |
712 | RwMultiBlkReq->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
713 | }\r | |
714 | \r | |
715 | if (Partition->Device->SectorAddressing) {\r | |
716 | RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)Lba;\r | |
717 | } else {\r | |
718 | RwMultiBlkReq->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (Lba, Partition->BlockMedia.BlockSize);\r | |
719 | }\r | |
720 | \r | |
721 | RwMultiBlkReq->IsEnd = IsEnd;\r | |
722 | RwMultiBlkReq->Token = Token;\r | |
723 | \r | |
724 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
725 | Status = gBS->CreateEvent (\r | |
726 | EVT_NOTIFY_SIGNAL,\r | |
727 | TPL_NOTIFY,\r | |
728 | AsyncIoCallback,\r | |
729 | RwMultiBlkReq,\r | |
730 | &RwMultiBlkReq->Event\r | |
731 | );\r | |
732 | if (EFI_ERROR (Status)) {\r | |
733 | goto Error;\r | |
734 | }\r | |
735 | } else {\r | |
736 | RwMultiBlkReq->Event = NULL;\r | |
737 | }\r | |
738 | \r | |
739 | Status = PassThru->PassThru (PassThru, Device->Slot, &RwMultiBlkReq->Packet, RwMultiBlkReq->Event);\r | |
740 | \r | |
741 | Error:\r | |
742 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
743 | //\r | |
744 | // For asynchronous operation, only free request and event in error case.\r | |
745 | // The request and event will be freed in asynchronous callback for success case.\r | |
746 | //\r | |
747 | if (EFI_ERROR (Status) && (RwMultiBlkReq != NULL)) {\r | |
748 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
749 | RemoveEntryList (&RwMultiBlkReq->Link);\r | |
750 | gBS->RestoreTPL (OldTpl);\r | |
751 | if (RwMultiBlkReq->Event != NULL) {\r | |
752 | gBS->CloseEvent (RwMultiBlkReq->Event);\r | |
753 | }\r | |
754 | FreePool (RwMultiBlkReq);\r | |
755 | }\r | |
756 | } else {\r | |
757 | //\r | |
758 | // For synchronous operation, free request whatever the execution result is.\r | |
759 | //\r | |
760 | if (RwMultiBlkReq != NULL) {\r | |
761 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
762 | RemoveEntryList (&RwMultiBlkReq->Link);\r | |
763 | gBS->RestoreTPL (OldTpl);\r | |
764 | FreePool (RwMultiBlkReq);\r | |
765 | }\r | |
766 | }\r | |
767 | \r | |
768 | return Status;\r | |
769 | }\r | |
770 | \r | |
771 | /**\r | |
772 | This function transfers data from/to EMMC device.\r | |
773 | \r | |
774 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
775 | @param[in] MediaId The media ID that the read/write request is for.\r | |
776 | @param[in] Lba The starting logical block address to be read/written.\r | |
777 | The caller is responsible for reading/writing to only\r | |
778 | legitimate locations.\r | |
779 | @param[in, out] Buffer A pointer to the destination/source buffer for the data.\r | |
780 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
781 | @param[in] IsRead Indicates it is a read or write operation.\r | |
782 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
783 | \r | |
784 | @retval EFI_SUCCESS The data was read/written correctly to the device.\r | |
785 | @retval EFI_WRITE_PROTECTED The device can not be read/written to.\r | |
786 | @retval EFI_DEVICE_ERROR The device reported an error while performing the read/write.\r | |
787 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
788 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
789 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
790 | @retval EFI_INVALID_PARAMETER The read/write request contains LBAs that are not valid,\r | |
791 | or the buffer is not on proper alignment.\r | |
792 | \r | |
793 | **/\r | |
794 | EFI_STATUS\r | |
795 | EmmcReadWrite (\r | |
796 | IN EMMC_PARTITION *Partition,\r | |
797 | IN UINT32 MediaId,\r | |
798 | IN EFI_LBA Lba,\r | |
799 | IN OUT VOID *Buffer,\r | |
800 | IN UINTN BufferSize,\r | |
801 | IN BOOLEAN IsRead,\r | |
802 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
803 | )\r | |
804 | {\r | |
805 | EFI_STATUS Status;\r | |
806 | EMMC_DEVICE *Device;\r | |
807 | EFI_BLOCK_IO_MEDIA *Media;\r | |
808 | UINTN BlockSize;\r | |
809 | UINTN BlockNum;\r | |
810 | UINTN IoAlign;\r | |
811 | UINT8 PartitionConfig;\r | |
812 | UINTN Remaining;\r | |
813 | UINT32 MaxBlock;\r | |
814 | BOOLEAN LastRw;\r | |
815 | \r | |
816 | Status = EFI_SUCCESS;\r | |
817 | Device = Partition->Device;\r | |
818 | Media = &Partition->BlockMedia;\r | |
819 | LastRw = FALSE;\r | |
820 | \r | |
821 | if (MediaId != Media->MediaId) {\r | |
822 | return EFI_MEDIA_CHANGED;\r | |
823 | }\r | |
824 | \r | |
825 | if (!IsRead && Media->ReadOnly) {\r | |
826 | return EFI_WRITE_PROTECTED;\r | |
827 | }\r | |
828 | \r | |
829 | //\r | |
830 | // Check parameters.\r | |
831 | //\r | |
832 | if (Buffer == NULL) {\r | |
833 | return EFI_INVALID_PARAMETER;\r | |
834 | }\r | |
835 | \r | |
836 | if (BufferSize == 0) {\r | |
837 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
838 | Token->TransactionStatus = EFI_SUCCESS;\r | |
839 | gBS->SignalEvent (Token->Event);\r | |
840 | }\r | |
841 | return EFI_SUCCESS;\r | |
842 | }\r | |
843 | \r | |
844 | BlockSize = Media->BlockSize;\r | |
845 | if ((BufferSize % BlockSize) != 0) {\r | |
846 | return EFI_BAD_BUFFER_SIZE;\r | |
847 | }\r | |
848 | \r | |
849 | BlockNum = BufferSize / BlockSize;\r | |
850 | if ((Lba + BlockNum - 1) > Media->LastBlock) {\r | |
851 | return EFI_INVALID_PARAMETER;\r | |
852 | }\r | |
853 | \r | |
854 | IoAlign = Media->IoAlign;\r | |
855 | if (IoAlign > 0 && (((UINTN) Buffer & (IoAlign - 1)) != 0)) {\r | |
856 | return EFI_INVALID_PARAMETER;\r | |
857 | }\r | |
858 | \r | |
859 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
860 | Token->TransactionStatus = EFI_SUCCESS;\r | |
861 | }\r | |
862 | //\r | |
863 | // Check if needs to switch partition access.\r | |
864 | //\r | |
865 | PartitionConfig = Device->ExtCsd.PartitionConfig;\r | |
866 | if ((PartitionConfig & 0x7) != Partition->PartitionType) {\r | |
867 | PartitionConfig &= (UINT8)~0x7;\r | |
868 | PartitionConfig |= Partition->PartitionType;\r | |
869 | Status = EmmcSetExtCsd (Partition, OFFSET_OF (EMMC_EXT_CSD, PartitionConfig), PartitionConfig, Token, FALSE);\r | |
870 | if (EFI_ERROR (Status)) {\r | |
871 | return Status;\r | |
872 | }\r | |
873 | Device->ExtCsd.PartitionConfig = PartitionConfig;\r | |
874 | }\r | |
875 | //\r | |
876 | // Start to execute data transfer. The max block number in single cmd is 65535 blocks.\r | |
877 | //\r | |
878 | Remaining = BlockNum;\r | |
879 | MaxBlock = 0xFFFF;\r | |
880 | \r | |
881 | while (Remaining > 0) {\r | |
882 | if (Remaining <= MaxBlock) {\r | |
883 | BlockNum = Remaining;\r | |
884 | LastRw = TRUE;\r | |
885 | } else {\r | |
886 | BlockNum = MaxBlock;\r | |
887 | }\r | |
888 | Status = EmmcSetBlkCount (Partition, (UINT16)BlockNum, Token, FALSE);\r | |
889 | if (EFI_ERROR (Status)) {\r | |
890 | return Status;\r | |
891 | }\r | |
892 | \r | |
893 | BufferSize = BlockNum * BlockSize;\r | |
894 | Status = EmmcRwMultiBlocks (Partition, Lba, Buffer, BufferSize, IsRead, Token, LastRw);\r | |
895 | if (EFI_ERROR (Status)) {\r | |
896 | return Status;\r | |
897 | }\r | |
898 | DEBUG ((DEBUG_BLKIO,\r | |
899 | "Emmc%a(): Part %d Lba 0x%x BlkNo 0x%x Event %p with %r\n",\r | |
900 | IsRead ? "Read " : "Write", Partition->PartitionType, Lba, BlockNum,\r | |
901 | (Token != NULL) ? Token->Event : NULL, Status));\r | |
902 | \r | |
903 | Lba += BlockNum;\r | |
904 | Buffer = (UINT8*)Buffer + BufferSize;\r | |
905 | Remaining -= BlockNum;\r | |
906 | }\r | |
907 | \r | |
908 | return Status;\r | |
909 | }\r | |
910 | \r | |
911 | /**\r | |
912 | Reset the Block Device.\r | |
913 | \r | |
914 | @param This Indicates a pointer to the calling context.\r | |
915 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
916 | \r | |
917 | @retval EFI_SUCCESS The device was reset.\r | |
918 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
919 | not be reset.\r | |
920 | \r | |
921 | **/\r | |
922 | EFI_STATUS\r | |
923 | EFIAPI\r | |
924 | EmmcReset (\r | |
925 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
926 | IN BOOLEAN ExtendedVerification\r | |
927 | )\r | |
928 | {\r | |
929 | EFI_STATUS Status;\r | |
930 | EMMC_PARTITION *Partition;\r | |
931 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
932 | \r | |
933 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO (This);\r | |
934 | \r | |
935 | PassThru = Partition->Device->Private->PassThru;\r | |
936 | Status = PassThru->ResetDevice (PassThru, Partition->Device->Slot);\r | |
937 | if (EFI_ERROR (Status)) {\r | |
938 | Status = EFI_DEVICE_ERROR;\r | |
939 | }\r | |
940 | \r | |
941 | return Status;\r | |
942 | }\r | |
943 | \r | |
944 | /**\r | |
945 | Read BufferSize bytes from Lba into Buffer.\r | |
946 | \r | |
947 | @param This Indicates a pointer to the calling context.\r | |
948 | @param MediaId Id of the media, changes every time the media is replaced.\r | |
949 | @param Lba The starting Logical Block Address to read from\r | |
950 | @param BufferSize Size of Buffer, must be a multiple of device block size.\r | |
951 | @param Buffer A pointer to the destination buffer for the data. The caller is\r | |
952 | responsible for either having implicit or explicit ownership of the buffer.\r | |
953 | \r | |
954 | @retval EFI_SUCCESS The data was read correctly from the device.\r | |
955 | @retval EFI_DEVICE_ERROR The device reported an error while performing the read.\r | |
956 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
957 | @retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.\r | |
958 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
959 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r | |
960 | or the buffer is not on proper alignment.\r | |
961 | \r | |
962 | **/\r | |
963 | EFI_STATUS\r | |
964 | EFIAPI\r | |
965 | EmmcReadBlocks (\r | |
966 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
967 | IN UINT32 MediaId,\r | |
968 | IN EFI_LBA Lba,\r | |
969 | IN UINTN BufferSize,\r | |
970 | OUT VOID *Buffer\r | |
971 | )\r | |
972 | {\r | |
973 | EFI_STATUS Status;\r | |
974 | EMMC_PARTITION *Partition;\r | |
975 | \r | |
976 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO (This);\r | |
977 | \r | |
978 | Status = EmmcReadWrite (Partition, MediaId, Lba, Buffer, BufferSize, TRUE, NULL);\r | |
979 | return Status;\r | |
980 | }\r | |
981 | \r | |
982 | /**\r | |
983 | Write BufferSize bytes from Lba into Buffer.\r | |
984 | \r | |
985 | @param This Indicates a pointer to the calling context.\r | |
986 | @param MediaId The media ID that the write request is for.\r | |
987 | @param Lba The starting logical block address to be written. The caller is\r | |
988 | responsible for writing to only legitimate locations.\r | |
989 | @param BufferSize Size of Buffer, must be a multiple of device block size.\r | |
990 | @param Buffer A pointer to the source buffer for the data.\r | |
991 | \r | |
992 | @retval EFI_SUCCESS The data was written correctly to the device.\r | |
993 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
994 | @retval EFI_DEVICE_ERROR The device reported an error while performing the write.\r | |
995 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
996 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
997 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
998 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r | |
999 | or the buffer is not on proper alignment.\r | |
1000 | \r | |
1001 | **/\r | |
1002 | EFI_STATUS\r | |
1003 | EFIAPI\r | |
1004 | EmmcWriteBlocks (\r | |
1005 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
1006 | IN UINT32 MediaId,\r | |
1007 | IN EFI_LBA Lba,\r | |
1008 | IN UINTN BufferSize,\r | |
1009 | IN VOID *Buffer\r | |
1010 | )\r | |
1011 | {\r | |
1012 | EFI_STATUS Status;\r | |
1013 | EMMC_PARTITION *Partition;\r | |
1014 | \r | |
1015 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO (This);\r | |
1016 | \r | |
1017 | Status = EmmcReadWrite (Partition, MediaId, Lba, Buffer, BufferSize, FALSE, NULL);\r | |
1018 | return Status;\r | |
1019 | }\r | |
1020 | \r | |
1021 | /**\r | |
1022 | Flush the Block Device.\r | |
1023 | \r | |
1024 | @param This Indicates a pointer to the calling context.\r | |
1025 | \r | |
1026 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
1027 | @retval EFI_DEVICE_ERROR The device reported an error while writing back the data\r | |
1028 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1029 | \r | |
1030 | **/\r | |
1031 | EFI_STATUS\r | |
1032 | EFIAPI\r | |
1033 | EmmcFlushBlocks (\r | |
1034 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
1035 | )\r | |
1036 | {\r | |
1037 | //\r | |
1038 | // return directly\r | |
1039 | //\r | |
1040 | return EFI_SUCCESS;\r | |
1041 | }\r | |
1042 | \r | |
1043 | /**\r | |
1044 | Reset the Block Device.\r | |
1045 | \r | |
1046 | @param[in] This Indicates a pointer to the calling context.\r | |
1047 | @param[in] ExtendedVerification Driver may perform diagnostics on reset.\r | |
1048 | \r | |
1049 | @retval EFI_SUCCESS The device was reset.\r | |
1050 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
1051 | not be reset.\r | |
1052 | \r | |
1053 | **/\r | |
1054 | EFI_STATUS\r | |
1055 | EFIAPI\r | |
1056 | EmmcResetEx (\r | |
1057 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1058 | IN BOOLEAN ExtendedVerification\r | |
1059 | )\r | |
1060 | {\r | |
1061 | EMMC_PARTITION *Partition;\r | |
1062 | LIST_ENTRY *Link;\r | |
1063 | LIST_ENTRY *NextLink;\r | |
1064 | EMMC_REQUEST *Request;\r | |
1065 | EFI_TPL OldTpl;\r | |
1066 | \r | |
1067 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO2 (This);\r | |
1068 | \r | |
1069 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1070 | for (Link = GetFirstNode (&Partition->Queue);\r | |
1071 | !IsNull (&Partition->Queue, Link);\r | |
1072 | Link = NextLink) {\r | |
1073 | NextLink = GetNextNode (&Partition->Queue, Link);\r | |
1074 | RemoveEntryList (Link);\r | |
1075 | \r | |
1076 | Request = EMMC_REQUEST_FROM_LINK (Link);\r | |
1077 | \r | |
1078 | gBS->CloseEvent (Request->Event);\r | |
1079 | Request->Token->TransactionStatus = EFI_ABORTED;\r | |
1080 | \r | |
1081 | if (Request->IsEnd) {\r | |
1082 | gBS->SignalEvent (Request->Token->Event);\r | |
1083 | }\r | |
1084 | \r | |
1085 | FreePool (Request);\r | |
1086 | }\r | |
1087 | gBS->RestoreTPL (OldTpl);\r | |
1088 | \r | |
1089 | return EFI_SUCCESS;\r | |
1090 | }\r | |
1091 | \r | |
1092 | /**\r | |
1093 | Read BufferSize bytes from Lba into Buffer.\r | |
1094 | \r | |
1095 | @param[in] This Indicates a pointer to the calling context.\r | |
1096 | @param[in] MediaId Id of the media, changes every time the media is replaced.\r | |
1097 | @param[in] Lba The starting Logical Block Address to read from.\r | |
1098 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
1099 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
1100 | @param[out] Buffer A pointer to the destination buffer for the data. The caller is\r | |
1101 | responsible for either having implicit or explicit ownership of the buffer.\r | |
1102 | \r | |
1103 | @retval EFI_SUCCESS The read request was queued if Event is not NULL.\r | |
1104 | The data was read correctly from the device if\r | |
1105 | the Event is NULL.\r | |
1106 | @retval EFI_DEVICE_ERROR The device reported an error while performing\r | |
1107 | the read.\r | |
1108 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1109 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1110 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the\r | |
1111 | intrinsic block size of the device.\r | |
1112 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r | |
1113 | or the buffer is not on proper alignment.\r | |
1114 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack\r | |
1115 | of resources.\r | |
1116 | \r | |
1117 | **/\r | |
1118 | EFI_STATUS\r | |
1119 | EFIAPI\r | |
1120 | EmmcReadBlocksEx (\r | |
1121 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1122 | IN UINT32 MediaId,\r | |
1123 | IN EFI_LBA Lba,\r | |
1124 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
1125 | IN UINTN BufferSize,\r | |
1126 | OUT VOID *Buffer\r | |
1127 | )\r | |
1128 | {\r | |
1129 | EFI_STATUS Status;\r | |
1130 | EMMC_PARTITION *Partition;\r | |
1131 | \r | |
1132 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO2 (This);\r | |
1133 | \r | |
1134 | Status = EmmcReadWrite (Partition, MediaId, Lba, Buffer, BufferSize, TRUE, Token);\r | |
1135 | return Status;\r | |
1136 | }\r | |
1137 | \r | |
1138 | /**\r | |
1139 | Write BufferSize bytes from Lba into Buffer.\r | |
1140 | \r | |
1141 | @param[in] This Indicates a pointer to the calling context.\r | |
1142 | @param[in] MediaId The media ID that the write request is for.\r | |
1143 | @param[in] Lba The starting logical block address to be written. The\r | |
1144 | caller is responsible for writing to only legitimate\r | |
1145 | locations.\r | |
1146 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
1147 | @param[in] BufferSize Size of Buffer, must be a multiple of device block size.\r | |
1148 | @param[in] Buffer A pointer to the source buffer for the data.\r | |
1149 | \r | |
1150 | @retval EFI_SUCCESS The data was written correctly to the device.\r | |
1151 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
1152 | @retval EFI_DEVICE_ERROR The device reported an error while performing the write.\r | |
1153 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1154 | @retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.\r | |
1155 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
1156 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r | |
1157 | or the buffer is not on proper alignment.\r | |
1158 | \r | |
1159 | **/\r | |
1160 | EFI_STATUS\r | |
1161 | EFIAPI\r | |
1162 | EmmcWriteBlocksEx (\r | |
1163 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1164 | IN UINT32 MediaId,\r | |
1165 | IN EFI_LBA Lba,\r | |
1166 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
1167 | IN UINTN BufferSize,\r | |
1168 | IN VOID *Buffer\r | |
1169 | )\r | |
1170 | {\r | |
1171 | EFI_STATUS Status;\r | |
1172 | EMMC_PARTITION *Partition;\r | |
1173 | \r | |
1174 | Partition = EMMC_PARTITION_DATA_FROM_BLKIO2 (This);\r | |
1175 | \r | |
1176 | Status = EmmcReadWrite (Partition, MediaId, Lba, Buffer, BufferSize, FALSE, Token);\r | |
1177 | return Status;\r | |
1178 | }\r | |
1179 | \r | |
1180 | /**\r | |
1181 | Flush the Block Device.\r | |
1182 | \r | |
1183 | @param[in] This Indicates a pointer to the calling context.\r | |
1184 | @param[in, out] Token A pointer to the token associated with the transaction.\r | |
1185 | \r | |
1186 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
1187 | @retval EFI_DEVICE_ERROR The device reported an error while writing back the data\r | |
1188 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1189 | \r | |
1190 | **/\r | |
1191 | EFI_STATUS\r | |
1192 | EFIAPI\r | |
1193 | EmmcFlushBlocksEx (\r | |
1194 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1195 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
1196 | )\r | |
1197 | {\r | |
1198 | //\r | |
1199 | // Signal event and return directly.\r | |
1200 | //\r | |
1201 | if (Token != NULL && Token->Event != NULL) {\r | |
1202 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1203 | gBS->SignalEvent (Token->Event);\r | |
1204 | }\r | |
1205 | \r | |
1206 | return EFI_SUCCESS;\r | |
1207 | }\r | |
1208 | \r | |
1209 | /**\r | |
1210 | Send a security protocol command to a device that receives data and/or the result\r | |
1211 | of one or more commands sent by SendData.\r | |
1212 | \r | |
1213 | The ReceiveData function sends a security protocol command to the given MediaId.\r | |
1214 | The security protocol command sent is defined by SecurityProtocolId and contains\r | |
1215 | the security protocol specific data SecurityProtocolSpecificData. The function\r | |
1216 | returns the data from the security protocol command in PayloadBuffer.\r | |
1217 | \r | |
1218 | For devices supporting the SCSI command set, the security protocol command is sent\r | |
1219 | using the SECURITY PROTOCOL IN command defined in SPC-4.\r | |
1220 | \r | |
1221 | For devices supporting the ATA command set, the security protocol command is sent\r | |
1222 | using one of the TRUSTED RECEIVE commands defined in ATA8-ACS if PayloadBufferSize\r | |
1223 | is non-zero.\r | |
1224 | \r | |
1225 | If the PayloadBufferSize is zero, the security protocol command is sent using the\r | |
1226 | Trusted Non-Data command defined in ATA8-ACS.\r | |
1227 | \r | |
1228 | If PayloadBufferSize is too small to store the available data from the security\r | |
1229 | protocol command, the function shall copy PayloadBufferSize bytes into the\r | |
1230 | PayloadBuffer and return EFI_WARN_BUFFER_TOO_SMALL.\r | |
1231 | \r | |
1232 | If PayloadBuffer or PayloadTransferSize is NULL and PayloadBufferSize is non-zero,\r | |
1233 | the function shall return EFI_INVALID_PARAMETER.\r | |
1234 | \r | |
1235 | If the given MediaId does not support security protocol commands, the function shall\r | |
1236 | return EFI_UNSUPPORTED. If there is no media in the device, the function returns\r | |
1237 | EFI_NO_MEDIA. If the MediaId is not the ID for the current media in the device,\r | |
1238 | the function returns EFI_MEDIA_CHANGED.\r | |
1239 | \r | |
1240 | If the security protocol fails to complete within the Timeout period, the function\r | |
1241 | shall return EFI_TIMEOUT.\r | |
1242 | \r | |
1243 | If the security protocol command completes without an error, the function shall\r | |
1244 | return EFI_SUCCESS. If the security protocol command completes with an error, the\r | |
1245 | function shall return EFI_DEVICE_ERROR.\r | |
1246 | \r | |
1247 | @param[in] This Indicates a pointer to the calling context.\r | |
1248 | @param[in] MediaId ID of the medium to receive data from.\r | |
1249 | @param[in] Timeout The timeout, in 100ns units, to use for the execution\r | |
1250 | of the security protocol command. A Timeout value of 0\r | |
1251 | means that this function will wait indefinitely for the\r | |
1252 | security protocol command to execute. If Timeout is greater\r | |
1253 | than zero, then this function will return EFI_TIMEOUT\r | |
1254 | if the time required to execute the receive data command\r | |
1255 | is greater than Timeout.\r | |
1256 | @param[in] SecurityProtocolId The value of the "Security Protocol" parameter of\r | |
1257 | the security protocol command to be sent.\r | |
1258 | @param[in] SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter\r | |
1259 | of the security protocol command to be sent.\r | |
1260 | @param[in] PayloadBufferSize Size in bytes of the payload data buffer.\r | |
1261 | @param[out] PayloadBuffer A pointer to a destination buffer to store the security\r | |
1262 | protocol command specific payload data for the security\r | |
1263 | protocol command. The caller is responsible for having\r | |
1264 | either implicit or explicit ownership of the buffer.\r | |
1265 | @param[out] PayloadTransferSize A pointer to a buffer to store the size in bytes of the\r | |
1266 | data written to the payload data buffer.\r | |
1267 | @param[in] IsRead Indicates it is a read or write operation.\r | |
1268 | \r | |
1269 | @retval EFI_SUCCESS The security protocol command completed successfully.\r | |
1270 | @retval EFI_WARN_BUFFER_TOO_SMALL The PayloadBufferSize was too small to store the available\r | |
1271 | data from the device. The PayloadBuffer contains the truncated data.\r | |
1272 | @retval EFI_UNSUPPORTED The given MediaId does not support security protocol commands.\r | |
1273 | @retval EFI_DEVICE_ERROR The security protocol command completed with an error.\r | |
1274 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1275 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1276 | @retval EFI_INVALID_PARAMETER The PayloadBuffer or PayloadTransferSize is NULL and\r | |
1277 | PayloadBufferSize is non-zero.\r | |
1278 | @retval EFI_TIMEOUT A timeout occurred while waiting for the security\r | |
1279 | protocol command to execute.\r | |
1280 | \r | |
1281 | **/\r | |
1282 | EFI_STATUS\r | |
1283 | EFIAPI\r | |
1284 | EmmcSecurityProtocolInOut (\r | |
1285 | IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,\r | |
1286 | IN UINT32 MediaId,\r | |
1287 | IN UINT64 Timeout,\r | |
1288 | IN UINT8 SecurityProtocolId,\r | |
1289 | IN UINT16 SecurityProtocolSpecificData,\r | |
1290 | IN UINTN PayloadBufferSize,\r | |
1291 | OUT VOID *PayloadBuffer,\r | |
1292 | OUT UINTN *PayloadTransferSize,\r | |
1293 | IN BOOLEAN IsRead\r | |
1294 | )\r | |
1295 | {\r | |
1296 | EFI_STATUS Status;\r | |
1297 | EMMC_PARTITION *Partition;\r | |
1298 | EMMC_DEVICE *Device;\r | |
1299 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1300 | UINTN BlockSize;\r | |
1301 | UINTN BlockNum;\r | |
1302 | UINTN IoAlign;\r | |
1303 | UINTN Remaining;\r | |
1304 | UINT32 MaxBlock;\r | |
1305 | UINT8 PartitionConfig;\r | |
1306 | \r | |
1307 | Status = EFI_SUCCESS;\r | |
1308 | Partition = EMMC_PARTITION_DATA_FROM_SSP (This);\r | |
1309 | Device = Partition->Device;\r | |
1310 | Media = &Partition->BlockMedia;\r | |
1311 | \r | |
1312 | if (PayloadTransferSize != NULL) {\r | |
1313 | *PayloadTransferSize = 0;\r | |
1314 | }\r | |
1315 | \r | |
1316 | if ((PayloadBuffer == NULL) && (PayloadBufferSize != 0)) {\r | |
1317 | return EFI_INVALID_PARAMETER;\r | |
1318 | }\r | |
1319 | \r | |
1320 | if (MediaId != Media->MediaId) {\r | |
1321 | return EFI_MEDIA_CHANGED;\r | |
1322 | }\r | |
1323 | \r | |
1324 | if (PayloadBufferSize == 0) {\r | |
1325 | return EFI_SUCCESS;\r | |
1326 | }\r | |
1327 | \r | |
1328 | BlockSize = Media->BlockSize;\r | |
1329 | if ((PayloadBufferSize % BlockSize) != 0) {\r | |
1330 | return EFI_BAD_BUFFER_SIZE;\r | |
1331 | }\r | |
1332 | \r | |
1333 | BlockNum = PayloadBufferSize / BlockSize;\r | |
1334 | \r | |
1335 | IoAlign = Media->IoAlign;\r | |
1336 | if (IoAlign > 0 && (((UINTN) PayloadBuffer & (IoAlign - 1)) != 0)) {\r | |
1337 | return EFI_INVALID_PARAMETER;\r | |
1338 | }\r | |
1339 | \r | |
1340 | //\r | |
1341 | // Security protocol interface is synchronous transfer.\r | |
1342 | // Waiting for async I/O list to be empty before any operation.\r | |
1343 | //\r | |
1344 | while (!IsListEmpty (&Partition->Queue));\r | |
1345 | \r | |
1346 | //\r | |
1347 | // Check if needs to switch partition access.\r | |
1348 | //\r | |
1349 | PartitionConfig = Device->ExtCsd.PartitionConfig;\r | |
1350 | if ((PartitionConfig & 0x7) != Partition->PartitionType) {\r | |
1351 | PartitionConfig &= (UINT8)~0x7;\r | |
1352 | PartitionConfig |= Partition->PartitionType;\r | |
1353 | Status = EmmcSetExtCsd (Partition, OFFSET_OF (EMMC_EXT_CSD, PartitionConfig), PartitionConfig, NULL, FALSE);\r | |
1354 | if (EFI_ERROR (Status)) {\r | |
1355 | return Status;\r | |
1356 | }\r | |
1357 | Device->ExtCsd.PartitionConfig = PartitionConfig;\r | |
1358 | }\r | |
1359 | //\r | |
1360 | // Start to execute data transfer. The max block number in single cmd is 65535 blocks.\r | |
1361 | //\r | |
1362 | Remaining = BlockNum;\r | |
1363 | MaxBlock = 0xFFFF;\r | |
1364 | \r | |
1365 | while (Remaining > 0) {\r | |
1366 | if (Remaining <= MaxBlock) {\r | |
1367 | BlockNum = Remaining;\r | |
1368 | } else {\r | |
1369 | BlockNum = MaxBlock;\r | |
1370 | }\r | |
1371 | \r | |
1372 | Status = EmmcSetBlkCount (Partition, (UINT16)BlockNum, NULL, FALSE);\r | |
1373 | if (EFI_ERROR (Status)) {\r | |
1374 | return Status;\r | |
1375 | }\r | |
1376 | \r | |
1377 | PayloadBufferSize = BlockNum * BlockSize;\r | |
1378 | Status = EmmcProtocolInOut (Partition, SecurityProtocolId, SecurityProtocolSpecificData, PayloadBufferSize, PayloadBuffer, IsRead, Timeout, NULL, FALSE);\r | |
1379 | if (EFI_ERROR (Status)) {\r | |
1380 | return Status;\r | |
1381 | }\r | |
1382 | \r | |
1383 | PayloadBuffer = (UINT8*)PayloadBuffer + PayloadBufferSize;\r | |
1384 | Remaining -= BlockNum;\r | |
1385 | if (PayloadTransferSize != NULL) {\r | |
1386 | *PayloadTransferSize += PayloadBufferSize;\r | |
1387 | }\r | |
1388 | }\r | |
1389 | \r | |
1390 | return Status;\r | |
1391 | }\r | |
1392 | \r | |
1393 | /**\r | |
1394 | Send a security protocol command to a device that receives data and/or the result\r | |
1395 | of one or more commands sent by SendData.\r | |
1396 | \r | |
1397 | The ReceiveData function sends a security protocol command to the given MediaId.\r | |
1398 | The security protocol command sent is defined by SecurityProtocolId and contains\r | |
1399 | the security protocol specific data SecurityProtocolSpecificData. The function\r | |
1400 | returns the data from the security protocol command in PayloadBuffer.\r | |
1401 | \r | |
1402 | For devices supporting the SCSI command set, the security protocol command is sent\r | |
1403 | using the SECURITY PROTOCOL IN command defined in SPC-4.\r | |
1404 | \r | |
1405 | For devices supporting the ATA command set, the security protocol command is sent\r | |
1406 | using one of the TRUSTED RECEIVE commands defined in ATA8-ACS if PayloadBufferSize\r | |
1407 | is non-zero.\r | |
1408 | \r | |
1409 | If the PayloadBufferSize is zero, the security protocol command is sent using the\r | |
1410 | Trusted Non-Data command defined in ATA8-ACS.\r | |
1411 | \r | |
1412 | If PayloadBufferSize is too small to store the available data from the security\r | |
1413 | protocol command, the function shall copy PayloadBufferSize bytes into the\r | |
1414 | PayloadBuffer and return EFI_WARN_BUFFER_TOO_SMALL.\r | |
1415 | \r | |
1416 | If PayloadBuffer or PayloadTransferSize is NULL and PayloadBufferSize is non-zero,\r | |
1417 | the function shall return EFI_INVALID_PARAMETER.\r | |
1418 | \r | |
1419 | If the given MediaId does not support security protocol commands, the function shall\r | |
1420 | return EFI_UNSUPPORTED. If there is no media in the device, the function returns\r | |
1421 | EFI_NO_MEDIA. If the MediaId is not the ID for the current media in the device,\r | |
1422 | the function returns EFI_MEDIA_CHANGED.\r | |
1423 | \r | |
1424 | If the security protocol fails to complete within the Timeout period, the function\r | |
1425 | shall return EFI_TIMEOUT.\r | |
1426 | \r | |
1427 | If the security protocol command completes without an error, the function shall\r | |
1428 | return EFI_SUCCESS. If the security protocol command completes with an error, the\r | |
1429 | function shall return EFI_DEVICE_ERROR.\r | |
1430 | \r | |
1431 | @param This Indicates a pointer to the calling context.\r | |
1432 | @param MediaId ID of the medium to receive data from.\r | |
1433 | @param Timeout The timeout, in 100ns units, to use for the execution\r | |
1434 | of the security protocol command. A Timeout value of 0\r | |
1435 | means that this function will wait indefinitely for the\r | |
1436 | security protocol command to execute. If Timeout is greater\r | |
1437 | than zero, then this function will return EFI_TIMEOUT\r | |
1438 | if the time required to execute the receive data command\r | |
1439 | is greater than Timeout.\r | |
1440 | @param SecurityProtocolId The value of the "Security Protocol" parameter of\r | |
1441 | the security protocol command to be sent.\r | |
1442 | @param SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter\r | |
1443 | of the security protocol command to be sent.\r | |
1444 | @param PayloadBufferSize Size in bytes of the payload data buffer.\r | |
1445 | @param PayloadBuffer A pointer to a destination buffer to store the security\r | |
1446 | protocol command specific payload data for the security\r | |
1447 | protocol command. The caller is responsible for having\r | |
1448 | either implicit or explicit ownership of the buffer.\r | |
1449 | @param PayloadTransferSize A pointer to a buffer to store the size in bytes of the\r | |
1450 | data written to the payload data buffer.\r | |
1451 | \r | |
1452 | @retval EFI_SUCCESS The security protocol command completed successfully.\r | |
1453 | @retval EFI_WARN_BUFFER_TOO_SMALL The PayloadBufferSize was too small to store the available\r | |
1454 | data from the device. The PayloadBuffer contains the truncated data.\r | |
1455 | @retval EFI_UNSUPPORTED The given MediaId does not support security protocol commands.\r | |
1456 | @retval EFI_DEVICE_ERROR The security protocol command completed with an error.\r | |
1457 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1458 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1459 | @retval EFI_INVALID_PARAMETER The PayloadBuffer or PayloadTransferSize is NULL and\r | |
1460 | PayloadBufferSize is non-zero.\r | |
1461 | @retval EFI_TIMEOUT A timeout occurred while waiting for the security\r | |
1462 | protocol command to execute.\r | |
1463 | \r | |
1464 | **/\r | |
1465 | EFI_STATUS\r | |
1466 | EFIAPI\r | |
1467 | EmmcSecurityProtocolIn (\r | |
1468 | IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,\r | |
1469 | IN UINT32 MediaId,\r | |
1470 | IN UINT64 Timeout,\r | |
1471 | IN UINT8 SecurityProtocolId,\r | |
1472 | IN UINT16 SecurityProtocolSpecificData,\r | |
1473 | IN UINTN PayloadBufferSize,\r | |
1474 | OUT VOID *PayloadBuffer,\r | |
1475 | OUT UINTN *PayloadTransferSize\r | |
1476 | )\r | |
1477 | {\r | |
1478 | EFI_STATUS Status;\r | |
1479 | \r | |
1480 | if ((PayloadTransferSize == NULL) && PayloadBufferSize != 0) {\r | |
1481 | return EFI_INVALID_PARAMETER;\r | |
1482 | }\r | |
1483 | \r | |
1484 | Status = EmmcSecurityProtocolInOut (\r | |
1485 | This,\r | |
1486 | MediaId,\r | |
1487 | Timeout,\r | |
1488 | SecurityProtocolId,\r | |
1489 | SecurityProtocolSpecificData,\r | |
1490 | PayloadBufferSize,\r | |
1491 | PayloadBuffer,\r | |
1492 | PayloadTransferSize,\r | |
1493 | TRUE\r | |
1494 | );\r | |
1495 | \r | |
1496 | return Status;\r | |
1497 | }\r | |
1498 | \r | |
1499 | /**\r | |
1500 | Send a security protocol command to a device.\r | |
1501 | \r | |
1502 | The SendData function sends a security protocol command containing the payload\r | |
1503 | PayloadBuffer to the given MediaId. The security protocol command sent is\r | |
1504 | defined by SecurityProtocolId and contains the security protocol specific data\r | |
1505 | SecurityProtocolSpecificData. If the underlying protocol command requires a\r | |
1506 | specific padding for the command payload, the SendData function shall add padding\r | |
1507 | bytes to the command payload to satisfy the padding requirements.\r | |
1508 | \r | |
1509 | For devices supporting the SCSI command set, the security protocol command is sent\r | |
1510 | using the SECURITY PROTOCOL OUT command defined in SPC-4.\r | |
1511 | \r | |
1512 | For devices supporting the ATA command set, the security protocol command is sent\r | |
1513 | using one of the TRUSTED SEND commands defined in ATA8-ACS if PayloadBufferSize\r | |
1514 | is non-zero. If the PayloadBufferSize is zero, the security protocol command is\r | |
1515 | sent using the Trusted Non-Data command defined in ATA8-ACS.\r | |
1516 | \r | |
1517 | If PayloadBuffer is NULL and PayloadBufferSize is non-zero, the function shall\r | |
1518 | return EFI_INVALID_PARAMETER.\r | |
1519 | \r | |
1520 | If the given MediaId does not support security protocol commands, the function\r | |
1521 | shall return EFI_UNSUPPORTED. If there is no media in the device, the function\r | |
1522 | returns EFI_NO_MEDIA. If the MediaId is not the ID for the current media in the\r | |
1523 | device, the function returns EFI_MEDIA_CHANGED.\r | |
1524 | \r | |
1525 | If the security protocol fails to complete within the Timeout period, the function\r | |
1526 | shall return EFI_TIMEOUT.\r | |
1527 | \r | |
1528 | If the security protocol command completes without an error, the function shall return\r | |
1529 | EFI_SUCCESS. If the security protocol command completes with an error, the function\r | |
1530 | shall return EFI_DEVICE_ERROR.\r | |
1531 | \r | |
1532 | @param This Indicates a pointer to the calling context.\r | |
1533 | @param MediaId ID of the medium to receive data from.\r | |
1534 | @param Timeout The timeout, in 100ns units, to use for the execution\r | |
1535 | of the security protocol command. A Timeout value of 0\r | |
1536 | means that this function will wait indefinitely for the\r | |
1537 | security protocol command to execute. If Timeout is greater\r | |
1538 | than zero, then this function will return EFI_TIMEOUT\r | |
1539 | if the time required to execute the receive data command\r | |
1540 | is greater than Timeout.\r | |
1541 | @param SecurityProtocolId The value of the "Security Protocol" parameter of\r | |
1542 | the security protocol command to be sent.\r | |
1543 | @param SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter\r | |
1544 | of the security protocol command to be sent.\r | |
1545 | @param PayloadBufferSize Size in bytes of the payload data buffer.\r | |
1546 | @param PayloadBuffer A pointer to a destination buffer to store the security\r | |
1547 | protocol command specific payload data for the security\r | |
1548 | protocol command.\r | |
1549 | \r | |
1550 | @retval EFI_SUCCESS The security protocol command completed successfully.\r | |
1551 | @retval EFI_UNSUPPORTED The given MediaId does not support security protocol commands.\r | |
1552 | @retval EFI_DEVICE_ERROR The security protocol command completed with an error.\r | |
1553 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1554 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1555 | @retval EFI_INVALID_PARAMETER The PayloadBuffer is NULL and PayloadBufferSize is non-zero.\r | |
1556 | @retval EFI_TIMEOUT A timeout occurred while waiting for the security\r | |
1557 | protocol command to execute.\r | |
1558 | \r | |
1559 | **/\r | |
1560 | EFI_STATUS\r | |
1561 | EFIAPI\r | |
1562 | EmmcSecurityProtocolOut (\r | |
1563 | IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,\r | |
1564 | IN UINT32 MediaId,\r | |
1565 | IN UINT64 Timeout,\r | |
1566 | IN UINT8 SecurityProtocolId,\r | |
1567 | IN UINT16 SecurityProtocolSpecificData,\r | |
1568 | IN UINTN PayloadBufferSize,\r | |
1569 | IN VOID *PayloadBuffer\r | |
1570 | )\r | |
1571 | {\r | |
1572 | EFI_STATUS Status;\r | |
1573 | \r | |
1574 | Status = EmmcSecurityProtocolInOut (\r | |
1575 | This,\r | |
1576 | MediaId,\r | |
1577 | Timeout,\r | |
1578 | SecurityProtocolId,\r | |
1579 | SecurityProtocolSpecificData,\r | |
1580 | PayloadBufferSize,\r | |
1581 | PayloadBuffer,\r | |
1582 | NULL,\r | |
1583 | FALSE\r | |
1584 | );\r | |
1585 | \r | |
1586 | return Status;\r | |
1587 | }\r | |
1588 | \r | |
1589 | /**\r | |
1590 | Set the erase start address through sync or async I/O request.\r | |
1591 | \r | |
1592 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
1593 | @param[in] StartLba The starting logical block address to be erased.\r | |
1594 | @param[in] Token A pointer to the token associated with the transaction.\r | |
1595 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
1596 | This parameter is only meaningful in async I/O request.\r | |
1597 | \r | |
1598 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1599 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1600 | @retval Others The request could not be executed successfully.\r | |
1601 | \r | |
1602 | **/\r | |
1603 | EFI_STATUS\r | |
1604 | EmmcEraseBlockStart (\r | |
1605 | IN EMMC_PARTITION *Partition,\r | |
1606 | IN EFI_LBA StartLba,\r | |
1607 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1608 | IN BOOLEAN IsEnd\r | |
1609 | )\r | |
1610 | {\r | |
1611 | EFI_STATUS Status;\r | |
1612 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1613 | EMMC_DEVICE *Device;\r | |
1614 | EMMC_REQUEST *EraseBlockStart;\r | |
1615 | EFI_TPL OldTpl;\r | |
1616 | \r | |
1617 | EraseBlockStart = NULL;\r | |
1618 | \r | |
1619 | Device = Partition->Device;\r | |
1620 | PassThru = Device->Private->PassThru;\r | |
1621 | \r | |
1622 | EraseBlockStart = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
1623 | if (EraseBlockStart == NULL) {\r | |
1624 | Status = EFI_OUT_OF_RESOURCES;\r | |
1625 | goto Error;\r | |
1626 | }\r | |
1627 | \r | |
1628 | EraseBlockStart->Signature = EMMC_REQUEST_SIGNATURE;\r | |
1629 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1630 | InsertTailList (&Partition->Queue, &EraseBlockStart->Link);\r | |
1631 | gBS->RestoreTPL (OldTpl);\r | |
1632 | EraseBlockStart->Packet.SdMmcCmdBlk = &EraseBlockStart->SdMmcCmdBlk;\r | |
1633 | EraseBlockStart->Packet.SdMmcStatusBlk = &EraseBlockStart->SdMmcStatusBlk;\r | |
1634 | EraseBlockStart->Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
1635 | \r | |
1636 | EraseBlockStart->SdMmcCmdBlk.CommandIndex = EMMC_ERASE_GROUP_START;\r | |
1637 | EraseBlockStart->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1638 | EraseBlockStart->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
1639 | \r | |
1640 | if (Device->SectorAddressing) {\r | |
1641 | EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)StartLba;\r | |
1642 | } else {\r | |
1643 | EraseBlockStart->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (StartLba, Partition->BlockMedia.BlockSize);\r | |
1644 | }\r | |
1645 | \r | |
1646 | EraseBlockStart->IsEnd = IsEnd;\r | |
1647 | EraseBlockStart->Token = Token;\r | |
1648 | \r | |
1649 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1650 | Status = gBS->CreateEvent (\r | |
1651 | EVT_NOTIFY_SIGNAL,\r | |
1652 | TPL_NOTIFY,\r | |
1653 | AsyncIoCallback,\r | |
1654 | EraseBlockStart,\r | |
1655 | &EraseBlockStart->Event\r | |
1656 | );\r | |
1657 | if (EFI_ERROR (Status)) {\r | |
1658 | goto Error;\r | |
1659 | }\r | |
1660 | } else {\r | |
1661 | EraseBlockStart->Event = NULL;\r | |
1662 | }\r | |
1663 | \r | |
1664 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockStart->Packet, EraseBlockStart->Event);\r | |
1665 | \r | |
1666 | Error:\r | |
1667 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1668 | //\r | |
1669 | // For asynchronous operation, only free request and event in error case.\r | |
1670 | // The request and event will be freed in asynchronous callback for success case.\r | |
1671 | //\r | |
1672 | if (EFI_ERROR (Status) && (EraseBlockStart != NULL)) {\r | |
1673 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1674 | RemoveEntryList (&EraseBlockStart->Link);\r | |
1675 | gBS->RestoreTPL (OldTpl);\r | |
1676 | if (EraseBlockStart->Event != NULL) {\r | |
1677 | gBS->CloseEvent (EraseBlockStart->Event);\r | |
1678 | }\r | |
1679 | FreePool (EraseBlockStart);\r | |
1680 | }\r | |
1681 | } else {\r | |
1682 | //\r | |
1683 | // For synchronous operation, free request whatever the execution result is.\r | |
1684 | //\r | |
1685 | if (EraseBlockStart != NULL) {\r | |
1686 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1687 | RemoveEntryList (&EraseBlockStart->Link);\r | |
1688 | gBS->RestoreTPL (OldTpl);\r | |
1689 | FreePool (EraseBlockStart);\r | |
1690 | }\r | |
1691 | }\r | |
1692 | \r | |
1693 | return Status;\r | |
1694 | }\r | |
1695 | \r | |
1696 | /**\r | |
1697 | Set the erase end address through sync or async I/O request.\r | |
1698 | \r | |
1699 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
1700 | @param[in] EndLba The ending logical block address to be erased.\r | |
1701 | @param[in] Token A pointer to the token associated with the transaction.\r | |
1702 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
1703 | This parameter is only meaningful in async I/O request.\r | |
1704 | \r | |
1705 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1706 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1707 | @retval Others The request could not be executed successfully.\r | |
1708 | \r | |
1709 | **/\r | |
1710 | EFI_STATUS\r | |
1711 | EmmcEraseBlockEnd (\r | |
1712 | IN EMMC_PARTITION *Partition,\r | |
1713 | IN EFI_LBA EndLba,\r | |
1714 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1715 | IN BOOLEAN IsEnd\r | |
1716 | )\r | |
1717 | {\r | |
1718 | EFI_STATUS Status;\r | |
1719 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1720 | EMMC_DEVICE *Device;\r | |
1721 | EMMC_REQUEST *EraseBlockEnd;\r | |
1722 | EFI_TPL OldTpl;\r | |
1723 | \r | |
1724 | EraseBlockEnd = NULL;\r | |
1725 | \r | |
1726 | Device = Partition->Device;\r | |
1727 | PassThru = Device->Private->PassThru;\r | |
1728 | \r | |
1729 | EraseBlockEnd = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
1730 | if (EraseBlockEnd == NULL) {\r | |
1731 | Status = EFI_OUT_OF_RESOURCES;\r | |
1732 | goto Error;\r | |
1733 | }\r | |
1734 | \r | |
1735 | EraseBlockEnd->Signature = EMMC_REQUEST_SIGNATURE;\r | |
1736 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1737 | InsertTailList (&Partition->Queue, &EraseBlockEnd->Link);\r | |
1738 | gBS->RestoreTPL (OldTpl);\r | |
1739 | EraseBlockEnd->Packet.SdMmcCmdBlk = &EraseBlockEnd->SdMmcCmdBlk;\r | |
1740 | EraseBlockEnd->Packet.SdMmcStatusBlk = &EraseBlockEnd->SdMmcStatusBlk;\r | |
1741 | EraseBlockEnd->Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
1742 | \r | |
1743 | EraseBlockEnd->SdMmcCmdBlk.CommandIndex = EMMC_ERASE_GROUP_END;\r | |
1744 | EraseBlockEnd->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1745 | EraseBlockEnd->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r | |
1746 | \r | |
1747 | if (Device->SectorAddressing) {\r | |
1748 | EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)EndLba;\r | |
1749 | } else {\r | |
1750 | EraseBlockEnd->SdMmcCmdBlk.CommandArgument = (UINT32)MultU64x32 (EndLba, Partition->BlockMedia.BlockSize);\r | |
1751 | }\r | |
1752 | \r | |
1753 | EraseBlockEnd->IsEnd = IsEnd;\r | |
1754 | EraseBlockEnd->Token = Token;\r | |
1755 | \r | |
1756 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1757 | Status = gBS->CreateEvent (\r | |
1758 | EVT_NOTIFY_SIGNAL,\r | |
1759 | TPL_NOTIFY,\r | |
1760 | AsyncIoCallback,\r | |
1761 | EraseBlockEnd,\r | |
1762 | &EraseBlockEnd->Event\r | |
1763 | );\r | |
1764 | if (EFI_ERROR (Status)) {\r | |
1765 | goto Error;\r | |
1766 | }\r | |
1767 | } else {\r | |
1768 | EraseBlockEnd->Event = NULL;\r | |
1769 | }\r | |
1770 | \r | |
1771 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlockEnd->Packet, EraseBlockEnd->Event);\r | |
1772 | \r | |
1773 | Error:\r | |
1774 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1775 | //\r | |
1776 | // For asynchronous operation, only free request and event in error case.\r | |
1777 | // The request and event will be freed in asynchronous callback for success case.\r | |
1778 | //\r | |
1779 | if (EFI_ERROR (Status) && (EraseBlockEnd != NULL)) {\r | |
1780 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1781 | RemoveEntryList (&EraseBlockEnd->Link);\r | |
1782 | gBS->RestoreTPL (OldTpl);\r | |
1783 | if (EraseBlockEnd->Event != NULL) {\r | |
1784 | gBS->CloseEvent (EraseBlockEnd->Event);\r | |
1785 | }\r | |
1786 | FreePool (EraseBlockEnd);\r | |
1787 | }\r | |
1788 | } else {\r | |
1789 | //\r | |
1790 | // For synchronous operation, free request whatever the execution result is.\r | |
1791 | //\r | |
1792 | if (EraseBlockEnd != NULL) {\r | |
1793 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1794 | RemoveEntryList (&EraseBlockEnd->Link);\r | |
1795 | gBS->RestoreTPL (OldTpl);\r | |
1796 | FreePool (EraseBlockEnd);\r | |
1797 | }\r | |
1798 | }\r | |
1799 | \r | |
1800 | return Status;\r | |
1801 | }\r | |
1802 | \r | |
1803 | /**\r | |
1804 | Erase specified blocks through sync or async I/O request.\r | |
1805 | \r | |
1806 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
1807 | @param[in] Token A pointer to the token associated with the transaction.\r | |
1808 | @param[in] IsEnd A boolean to show whether it's the last cmd in a series of cmds.\r | |
1809 | This parameter is only meaningful in async I/O request.\r | |
1810 | \r | |
1811 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1812 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1813 | @retval Others The request could not be executed successfully.\r | |
1814 | \r | |
1815 | **/\r | |
1816 | EFI_STATUS\r | |
1817 | EmmcEraseBlock (\r | |
1818 | IN EMMC_PARTITION *Partition,\r | |
1819 | IN EFI_BLOCK_IO2_TOKEN *Token,\r | |
1820 | IN BOOLEAN IsEnd\r | |
1821 | )\r | |
1822 | {\r | |
1823 | EFI_STATUS Status;\r | |
1824 | EFI_SD_MMC_PASS_THRU_PROTOCOL *PassThru;\r | |
1825 | EMMC_DEVICE *Device;\r | |
1826 | EMMC_REQUEST *EraseBlock;\r | |
1827 | EFI_TPL OldTpl;\r | |
1828 | \r | |
1829 | EraseBlock = NULL;\r | |
1830 | \r | |
1831 | Device = Partition->Device;\r | |
1832 | PassThru = Device->Private->PassThru;\r | |
1833 | \r | |
1834 | EraseBlock = AllocateZeroPool (sizeof (EMMC_REQUEST));\r | |
1835 | if (EraseBlock == NULL) {\r | |
1836 | Status = EFI_OUT_OF_RESOURCES;\r | |
1837 | goto Error;\r | |
1838 | }\r | |
1839 | \r | |
1840 | EraseBlock->Signature = EMMC_REQUEST_SIGNATURE;\r | |
1841 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1842 | InsertTailList (&Partition->Queue, &EraseBlock->Link);\r | |
1843 | gBS->RestoreTPL (OldTpl);\r | |
1844 | EraseBlock->Packet.SdMmcCmdBlk = &EraseBlock->SdMmcCmdBlk;\r | |
1845 | EraseBlock->Packet.SdMmcStatusBlk = &EraseBlock->SdMmcStatusBlk;\r | |
1846 | EraseBlock->Packet.Timeout = EMMC_GENERIC_TIMEOUT;\r | |
1847 | \r | |
1848 | EraseBlock->SdMmcCmdBlk.CommandIndex = EMMC_ERASE;\r | |
1849 | EraseBlock->SdMmcCmdBlk.CommandType = SdMmcCommandTypeAc;\r | |
1850 | EraseBlock->SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1b;\r | |
1851 | if ((Device->ExtCsd.SecFeatureSupport & BIT4) != 0) {\r | |
1852 | //\r | |
1853 | // Perform a Trim operation which applies the erase operation to write blocks\r | |
1854 | // instead of erase groups. (Spec JESD84-B51, eMMC Electrical Standard 5.1,\r | |
1855 | // Section 6.6.10 and 6.10.4)\r | |
1856 | //\r | |
1857 | EraseBlock->SdMmcCmdBlk.CommandArgument = 1;\r | |
1858 | }\r | |
1859 | \r | |
1860 | EraseBlock->IsEnd = IsEnd;\r | |
1861 | EraseBlock->Token = Token;\r | |
1862 | \r | |
1863 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1864 | Status = gBS->CreateEvent (\r | |
1865 | EVT_NOTIFY_SIGNAL,\r | |
1866 | TPL_NOTIFY,\r | |
1867 | AsyncIoCallback,\r | |
1868 | EraseBlock,\r | |
1869 | &EraseBlock->Event\r | |
1870 | );\r | |
1871 | if (EFI_ERROR (Status)) {\r | |
1872 | goto Error;\r | |
1873 | }\r | |
1874 | } else {\r | |
1875 | EraseBlock->Event = NULL;\r | |
1876 | }\r | |
1877 | \r | |
1878 | Status = PassThru->PassThru (PassThru, Device->Slot, &EraseBlock->Packet, EraseBlock->Event);\r | |
1879 | \r | |
1880 | Error:\r | |
1881 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1882 | //\r | |
1883 | // For asynchronous operation, only free request and event in error case.\r | |
1884 | // The request and event will be freed in asynchronous callback for success case.\r | |
1885 | //\r | |
1886 | if (EFI_ERROR (Status) && (EraseBlock != NULL)) {\r | |
1887 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1888 | RemoveEntryList (&EraseBlock->Link);\r | |
1889 | gBS->RestoreTPL (OldTpl);\r | |
1890 | if (EraseBlock->Event != NULL) {\r | |
1891 | gBS->CloseEvent (EraseBlock->Event);\r | |
1892 | }\r | |
1893 | FreePool (EraseBlock);\r | |
1894 | }\r | |
1895 | } else {\r | |
1896 | //\r | |
1897 | // For synchronous operation, free request whatever the execution result is.\r | |
1898 | //\r | |
1899 | if (EraseBlock != NULL) {\r | |
1900 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1901 | RemoveEntryList (&EraseBlock->Link);\r | |
1902 | gBS->RestoreTPL (OldTpl);\r | |
1903 | FreePool (EraseBlock);\r | |
1904 | }\r | |
1905 | }\r | |
1906 | \r | |
1907 | return Status;\r | |
1908 | }\r | |
1909 | \r | |
1910 | /**\r | |
1911 | Write zeros to specified blocks.\r | |
1912 | \r | |
1913 | @param[in] Partition A pointer to the EMMC_PARTITION instance.\r | |
1914 | @param[in] StartLba The starting logical block address to write zeros.\r | |
1915 | @param[in] Size The size in bytes to fill with zeros. This must be a multiple of\r | |
1916 | the physical block size of the device.\r | |
1917 | \r | |
1918 | @retval EFI_SUCCESS The request is executed successfully.\r | |
1919 | @retval EFI_OUT_OF_RESOURCES The request could not be executed due to a lack of resources.\r | |
1920 | @retval Others The request could not be executed successfully.\r | |
1921 | \r | |
1922 | **/\r | |
1923 | EFI_STATUS\r | |
1924 | EmmcWriteZeros (\r | |
1925 | IN EMMC_PARTITION *Partition,\r | |
1926 | IN EFI_LBA StartLba,\r | |
1927 | IN UINTN Size\r | |
1928 | )\r | |
1929 | {\r | |
1930 | EFI_STATUS Status;\r | |
1931 | UINT8 *Buffer;\r | |
1932 | UINT32 MediaId;\r | |
1933 | \r | |
1934 | Buffer = AllocateZeroPool (Size);\r | |
1935 | if (Buffer == NULL) {\r | |
1936 | return EFI_OUT_OF_RESOURCES;\r | |
1937 | }\r | |
1938 | \r | |
1939 | MediaId = Partition->BlockMedia.MediaId;\r | |
1940 | \r | |
1941 | Status = EmmcReadWrite (Partition, MediaId, StartLba, Buffer, Size, FALSE, NULL);\r | |
1942 | FreePool (Buffer);\r | |
1943 | \r | |
1944 | return Status;\r | |
1945 | }\r | |
1946 | \r | |
1947 | /**\r | |
1948 | Erase a specified number of device blocks.\r | |
1949 | \r | |
1950 | @param[in] This Indicates a pointer to the calling context.\r | |
1951 | @param[in] MediaId The media ID that the erase request is for.\r | |
1952 | @param[in] Lba The starting logical block address to be\r | |
1953 | erased. The caller is responsible for erasing\r | |
1954 | only legitimate locations.\r | |
1955 | @param[in, out] Token A pointer to the token associated with the\r | |
1956 | transaction.\r | |
1957 | @param[in] Size The size in bytes to be erased. This must be\r | |
1958 | a multiple of the physical block size of the\r | |
1959 | device.\r | |
1960 | \r | |
1961 | @retval EFI_SUCCESS The erase request was queued if Event is not\r | |
1962 | NULL. The data was erased correctly to the\r | |
1963 | device if the Event is NULL.to the device.\r | |
1964 | @retval EFI_WRITE_PROTECTED The device cannot be erased due to write\r | |
1965 | protection.\r | |
1966 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
1967 | to perform the erase operation.\r | |
1968 | @retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not\r | |
1969 | valid.\r | |
1970 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1971 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1972 | \r | |
1973 | **/\r | |
1974 | EFI_STATUS\r | |
1975 | EFIAPI\r | |
1976 | EmmcEraseBlocks (\r | |
1977 | IN EFI_ERASE_BLOCK_PROTOCOL *This,\r | |
1978 | IN UINT32 MediaId,\r | |
1979 | IN EFI_LBA Lba,\r | |
1980 | IN OUT EFI_ERASE_BLOCK_TOKEN *Token,\r | |
1981 | IN UINTN Size\r | |
1982 | )\r | |
1983 | {\r | |
1984 | EFI_STATUS Status;\r | |
1985 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1986 | UINTN BlockSize;\r | |
1987 | UINTN BlockNum;\r | |
1988 | EFI_LBA FirstLba;\r | |
1989 | EFI_LBA LastLba;\r | |
1990 | EFI_LBA StartGroupLba;\r | |
1991 | EFI_LBA EndGroupLba;\r | |
1992 | UINT32 EraseGroupSize;\r | |
1993 | UINT32 Remainder;\r | |
1994 | UINTN WriteZeroSize;\r | |
1995 | UINT8 PartitionConfig;\r | |
1996 | EMMC_PARTITION *Partition;\r | |
1997 | EMMC_DEVICE *Device;\r | |
1998 | \r | |
1999 | Status = EFI_SUCCESS;\r | |
2000 | Partition = EMMC_PARTITION_DATA_FROM_ERASEBLK (This);\r | |
2001 | Device = Partition->Device;\r | |
2002 | Media = &Partition->BlockMedia;\r | |
2003 | \r | |
2004 | if (MediaId != Media->MediaId) {\r | |
2005 | return EFI_MEDIA_CHANGED;\r | |
2006 | }\r | |
2007 | \r | |
2008 | if (Media->ReadOnly) {\r | |
2009 | return EFI_WRITE_PROTECTED;\r | |
2010 | }\r | |
2011 | \r | |
2012 | //\r | |
2013 | // Check parameters.\r | |
2014 | //\r | |
2015 | BlockSize = Media->BlockSize;\r | |
2016 | if ((Size % BlockSize) != 0) {\r | |
2017 | return EFI_INVALID_PARAMETER;\r | |
2018 | }\r | |
2019 | \r | |
2020 | BlockNum = Size / BlockSize;\r | |
2021 | if ((Lba + BlockNum - 1) > Media->LastBlock) {\r | |
2022 | return EFI_INVALID_PARAMETER;\r | |
2023 | }\r | |
2024 | \r | |
2025 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
2026 | Token->TransactionStatus = EFI_SUCCESS;\r | |
2027 | }\r | |
2028 | \r | |
2029 | FirstLba = Lba;\r | |
2030 | LastLba = Lba + BlockNum - 1;\r | |
2031 | \r | |
2032 | //\r | |
2033 | // Check if needs to switch partition access.\r | |
2034 | //\r | |
2035 | PartitionConfig = Device->ExtCsd.PartitionConfig;\r | |
2036 | if ((PartitionConfig & 0x7) != Partition->PartitionType) {\r | |
2037 | PartitionConfig &= (UINT8)~0x7;\r | |
2038 | PartitionConfig |= Partition->PartitionType;\r | |
2039 | Status = EmmcSetExtCsd (Partition, OFFSET_OF (EMMC_EXT_CSD, PartitionConfig), PartitionConfig, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);\r | |
2040 | if (EFI_ERROR (Status)) {\r | |
2041 | return Status;\r | |
2042 | }\r | |
2043 | Device->ExtCsd.PartitionConfig = PartitionConfig;\r | |
2044 | }\r | |
2045 | \r | |
2046 | if ((Device->ExtCsd.SecFeatureSupport & BIT4) == 0) {\r | |
2047 | //\r | |
2048 | // If the Trim operation is not supported by the device, handle the erase\r | |
2049 | // of blocks that do not form a complete erase group separately.\r | |
2050 | //\r | |
2051 | EraseGroupSize = This->EraseLengthGranularity;\r | |
2052 | \r | |
2053 | DivU64x32Remainder (FirstLba, EraseGroupSize, &Remainder);\r | |
2054 | StartGroupLba = (Remainder == 0) ? FirstLba : (FirstLba + EraseGroupSize - Remainder);\r | |
2055 | \r | |
2056 | DivU64x32Remainder (LastLba + 1, EraseGroupSize, &Remainder);\r | |
2057 | EndGroupLba = LastLba + 1 - Remainder;\r | |
2058 | \r | |
2059 | //\r | |
2060 | // If the size to erase is smaller than the erase group size, the whole\r | |
2061 | // erase operation is performed by writting zeros.\r | |
2062 | //\r | |
2063 | if (BlockNum < EraseGroupSize) {\r | |
2064 | Status = EmmcWriteZeros (Partition, FirstLba, Size);\r | |
2065 | if (EFI_ERROR (Status)) {\r | |
2066 | return Status;\r | |
2067 | }\r | |
2068 | \r | |
2069 | DEBUG ((\r | |
2070 | DEBUG_INFO,\r | |
2071 | "EmmcEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",\r | |
2072 | Lba,\r | |
2073 | BlockNum,\r | |
2074 | (Token != NULL) ? Token->Event : NULL,\r | |
2075 | Status\r | |
2076 | ));\r | |
2077 | \r | |
2078 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
2079 | Token->TransactionStatus = EFI_SUCCESS;\r | |
2080 | gBS->SignalEvent (Token->Event);\r | |
2081 | }\r | |
2082 | return EFI_SUCCESS;\r | |
2083 | }\r | |
2084 | \r | |
2085 | //\r | |
2086 | // If the starting LBA to erase is not aligned with the start of an erase\r | |
2087 | // group, write zeros to erase the data from starting LBA to the end of the\r | |
2088 | // current erase group.\r | |
2089 | //\r | |
2090 | if (StartGroupLba > FirstLba) {\r | |
2091 | WriteZeroSize = (UINTN)(StartGroupLba - FirstLba) * BlockSize;\r | |
2092 | Status = EmmcWriteZeros (Partition, FirstLba, WriteZeroSize);\r | |
2093 | if (EFI_ERROR (Status)) {\r | |
2094 | return Status;\r | |
2095 | }\r | |
2096 | }\r | |
2097 | \r | |
2098 | //\r | |
2099 | // If the ending LBA to erase is not aligned with the end of an erase\r | |
2100 | // group, write zeros to erase the data from the start of the erase group\r | |
2101 | // to the ending LBA.\r | |
2102 | //\r | |
2103 | if (EndGroupLba <= LastLba) {\r | |
2104 | WriteZeroSize = (UINTN)(LastLba + 1 - EndGroupLba) * BlockSize;\r | |
2105 | Status = EmmcWriteZeros (Partition, EndGroupLba, WriteZeroSize);\r | |
2106 | if (EFI_ERROR (Status)) {\r | |
2107 | return Status;\r | |
2108 | }\r | |
2109 | }\r | |
2110 | \r | |
2111 | //\r | |
2112 | // Check whether there is erase group to erase.\r | |
2113 | //\r | |
2114 | if (EndGroupLba <= StartGroupLba) {\r | |
2115 | DEBUG ((\r | |
2116 | DEBUG_INFO,\r | |
2117 | "EmmcEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",\r | |
2118 | Lba,\r | |
2119 | BlockNum,\r | |
2120 | (Token != NULL) ? Token->Event : NULL,\r | |
2121 | Status\r | |
2122 | ));\r | |
2123 | \r | |
2124 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
2125 | Token->TransactionStatus = EFI_SUCCESS;\r | |
2126 | gBS->SignalEvent (Token->Event);\r | |
2127 | }\r | |
2128 | return EFI_SUCCESS;\r | |
2129 | }\r | |
2130 | \r | |
2131 | FirstLba = StartGroupLba;\r | |
2132 | LastLba = EndGroupLba - 1;\r | |
2133 | }\r | |
2134 | \r | |
2135 | Status = EmmcEraseBlockStart (Partition, FirstLba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);\r | |
2136 | if (EFI_ERROR (Status)) {\r | |
2137 | return Status;\r | |
2138 | }\r | |
2139 | \r | |
2140 | Status = EmmcEraseBlockEnd (Partition, LastLba, (EFI_BLOCK_IO2_TOKEN*)Token, FALSE);\r | |
2141 | if (EFI_ERROR (Status)) {\r | |
2142 | return Status;\r | |
2143 | }\r | |
2144 | \r | |
2145 | Status = EmmcEraseBlock (Partition, (EFI_BLOCK_IO2_TOKEN*)Token, TRUE);\r | |
2146 | if (EFI_ERROR (Status)) {\r | |
2147 | return Status;\r | |
2148 | }\r | |
2149 | \r | |
2150 | DEBUG ((\r | |
2151 | DEBUG_INFO,\r | |
2152 | "EmmcEraseBlocks(): Lba 0x%x BlkNo 0x%x Event %p with %r\n",\r | |
2153 | Lba,\r | |
2154 | BlockNum,\r | |
2155 | (Token != NULL) ? Token->Event : NULL,\r | |
2156 | Status\r | |
2157 | ));\r | |
2158 | \r | |
2159 | return Status;\r | |
2160 | }\r | |
2161 | \r |