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0591696e FT |
1 | /** @file\r |
2 | UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface\r | |
3 | for upper layer application to execute UFS-supported SCSI cmds.\r | |
4 | \r | |
90952ad7 | 5 | Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
0591696e FT |
7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "UfsPassThru.h"\r | |
11 | \r | |
095f0779 FT |
12 | /**\r |
13 | Read 32bits data from specified UFS MMIO register.\r | |
14 | \r | |
15 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
16 | @param[in] Offset The offset within the UFS Host Controller MMIO space to start\r | |
17 | the memory operation.\r | |
18 | @param[out] Value The data buffer to store.\r | |
19 | \r | |
20 | @retval EFI_TIMEOUT The operation is time out.\r | |
21 | @retval EFI_SUCCESS The operation succeeds.\r | |
22 | @retval Others The operation fails.\r | |
23 | \r | |
24 | **/\r | |
25 | EFI_STATUS\r | |
26 | UfsMmioRead32 (\r | |
27 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
28 | IN UINTN Offset,\r | |
29 | OUT UINT32 *Value\r | |
30 | )\r | |
31 | {\r | |
32 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
33 | EFI_STATUS Status;\r | |
34 | \r | |
35 | UfsHc = Private->UfsHostController;\r | |
36 | \r | |
37 | Status = UfsHc->Read (UfsHc, EfiUfsHcWidthUint32, Offset, 1, Value);\r | |
38 | \r | |
39 | return Status;\r | |
40 | }\r | |
41 | \r | |
42 | /**\r | |
43 | Write 32bits data to specified UFS MMIO register.\r | |
44 | \r | |
45 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
46 | @param[in] Offset The offset within the UFS Host Controller MMIO space to start\r | |
47 | the memory operation.\r | |
48 | @param[in] Value The data to write.\r | |
49 | \r | |
50 | @retval EFI_TIMEOUT The operation is time out.\r | |
51 | @retval EFI_SUCCESS The operation succeeds.\r | |
52 | @retval Others The operation fails.\r | |
53 | \r | |
54 | **/\r | |
55 | EFI_STATUS\r | |
56 | UfsMmioWrite32 (\r | |
57 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
58 | IN UINTN Offset,\r | |
59 | IN UINT32 Value\r | |
60 | )\r | |
61 | {\r | |
62 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
63 | EFI_STATUS Status;\r | |
64 | \r | |
65 | UfsHc = Private->UfsHostController;\r | |
66 | \r | |
67 | Status = UfsHc->Write (UfsHc, EfiUfsHcWidthUint32, Offset, 1, &Value);\r | |
68 | \r | |
69 | return Status;\r | |
70 | }\r | |
71 | \r | |
0591696e FT |
72 | /**\r |
73 | Wait for the value of the specified system memory set to the test value.\r | |
74 | \r | |
095f0779 FT |
75 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r |
76 | @param[in] Offset The offset within the UFS Host Controller MMIO space to start\r | |
77 | the memory operation.\r | |
78 | @param[in] MaskValue The mask value of memory.\r | |
79 | @param[in] TestValue The test value of memory.\r | |
80 | @param[in] Timeout The time out value for wait memory set, uses 100ns as a unit.\r | |
0591696e FT |
81 | \r |
82 | @retval EFI_TIMEOUT The system memory setting is time out.\r | |
83 | @retval EFI_SUCCESS The system memory is correct set.\r | |
095f0779 | 84 | @retval Others The operation fails.\r |
0591696e FT |
85 | \r |
86 | **/\r | |
87 | EFI_STATUS\r | |
0591696e | 88 | UfsWaitMemSet (\r |
095f0779 FT |
89 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r |
90 | IN UINTN Offset,\r | |
91 | IN UINT32 MaskValue,\r | |
92 | IN UINT32 TestValue,\r | |
93 | IN UINT64 Timeout\r | |
0591696e FT |
94 | )\r |
95 | {\r | |
96 | UINT32 Value;\r | |
97 | UINT64 Delay;\r | |
98 | BOOLEAN InfiniteWait;\r | |
095f0779 | 99 | EFI_STATUS Status;\r |
0591696e FT |
100 | \r |
101 | if (Timeout == 0) {\r | |
102 | InfiniteWait = TRUE;\r | |
103 | } else {\r | |
104 | InfiniteWait = FALSE;\r | |
105 | }\r | |
106 | \r | |
107 | Delay = DivU64x32 (Timeout, 10) + 1;\r | |
108 | \r | |
109 | do {\r | |
110 | //\r | |
111 | // Access PCI MMIO space to see if the value is the tested one.\r | |
112 | //\r | |
095f0779 FT |
113 | Status = UfsMmioRead32 (Private, Offset, &Value);\r |
114 | if (EFI_ERROR (Status)) {\r | |
115 | return Status;\r | |
116 | }\r | |
117 | \r | |
118 | Value &= MaskValue;\r | |
0591696e FT |
119 | \r |
120 | if (Value == TestValue) {\r | |
121 | return EFI_SUCCESS;\r | |
122 | }\r | |
123 | \r | |
124 | //\r | |
125 | // Stall for 1 microseconds.\r | |
126 | //\r | |
127 | MicroSecondDelay (1);\r | |
128 | \r | |
129 | Delay--;\r | |
130 | \r | |
131 | } while (InfiniteWait || (Delay > 0));\r | |
132 | \r | |
133 | return EFI_TIMEOUT;\r | |
134 | }\r | |
135 | \r | |
136 | /**\r | |
137 | Dump UIC command execution result for debugging.\r | |
138 | \r | |
139 | @param[in] UicOpcode The executed UIC opcode.\r | |
140 | @param[in] Result The result to be parsed.\r | |
141 | \r | |
142 | **/\r | |
143 | VOID\r | |
144 | DumpUicCmdExecResult (\r | |
145 | IN UINT8 UicOpcode,\r | |
146 | IN UINT8 Result\r | |
147 | )\r | |
148 | {\r | |
149 | if (UicOpcode <= UfsUicDmePeerSet) {\r | |
150 | switch (Result) {\r | |
151 | case 0x00:\r | |
152 | break;\r | |
153 | case 0x01:\r | |
edd94e74 | 154 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
155 | break;\r |
156 | case 0x02:\r | |
edd94e74 | 157 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE_VALUE\n"));\r |
0591696e FT |
158 | break;\r |
159 | case 0x03:\r | |
edd94e74 | 160 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - READ_ONLY_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
161 | break;\r |
162 | case 0x04:\r | |
edd94e74 | 163 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - WRITE_ONLY_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
164 | break;\r |
165 | case 0x05:\r | |
edd94e74 | 166 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_INDEX\n"));\r |
0591696e FT |
167 | break;\r |
168 | case 0x06:\r | |
edd94e74 | 169 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - LOCKED_MIB_ATTRIBUTE\n"));\r |
0591696e FT |
170 | break;\r |
171 | case 0x07:\r | |
edd94e74 | 172 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_TEST_FEATURE_INDEX\n"));\r |
0591696e FT |
173 | break;\r |
174 | case 0x08:\r | |
edd94e74 | 175 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - PEER_COMMUNICATION_FAILURE\n"));\r |
d1102dba | 176 | break;\r |
0591696e | 177 | case 0x09:\r |
edd94e74 | 178 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BUSY\n"));\r |
0591696e FT |
179 | break;\r |
180 | case 0x0A:\r | |
edd94e74 | 181 | DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - DME_FAILURE\n"));\r |
d1102dba | 182 | break;\r |
0591696e FT |
183 | default :\r |
184 | ASSERT (FALSE);\r | |
185 | break;\r | |
186 | }\r | |
187 | } else {\r | |
188 | switch (Result) {\r | |
189 | case 0x00:\r | |
190 | break;\r | |
191 | case 0x01:\r | |
edd94e74 | 192 | DEBUG ((DEBUG_VERBOSE, "UIC control command fails - FAILURE\n"));\r |
d1102dba | 193 | break;\r |
0591696e FT |
194 | default :\r |
195 | ASSERT (FALSE);\r | |
196 | break;\r | |
197 | }\r | |
198 | }\r | |
199 | }\r | |
200 | \r | |
201 | /**\r | |
202 | Dump QUERY RESPONSE UPIU result for debugging.\r | |
203 | \r | |
204 | @param[in] Result The result to be parsed.\r | |
205 | \r | |
206 | **/\r | |
207 | VOID\r | |
208 | DumpQueryResponseResult (\r | |
209 | IN UINT8 Result\r | |
210 | )\r | |
211 | {\r | |
212 | switch (Result) {\r | |
213 | case 0xF6:\r | |
edd94e74 | 214 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Readable\n"));\r |
0591696e FT |
215 | break;\r |
216 | case 0xF7:\r | |
edd94e74 | 217 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Writeable\n"));\r |
0591696e FT |
218 | break;\r |
219 | case 0xF8:\r | |
edd94e74 | 220 | DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Already Written\n"));\r |
0591696e FT |
221 | break;\r |
222 | case 0xF9:\r | |
edd94e74 | 223 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Length\n"));\r |
0591696e FT |
224 | break;\r |
225 | case 0xFA:\r | |
edd94e74 | 226 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Value\n"));\r |
0591696e FT |
227 | break;\r |
228 | case 0xFB:\r | |
edd94e74 | 229 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Selector\n"));\r |
0591696e FT |
230 | break;\r |
231 | case 0xFC:\r | |
edd94e74 | 232 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Index\n"));\r |
0591696e FT |
233 | break;\r |
234 | case 0xFD:\r | |
edd94e74 | 235 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Idn\n"));\r |
0591696e FT |
236 | break;\r |
237 | case 0xFE:\r | |
edd94e74 | 238 | DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Opcode\n"));\r |
d1102dba | 239 | break;\r |
0591696e | 240 | case 0xFF:\r |
edd94e74 | 241 | DEBUG ((DEBUG_VERBOSE, "Query Response with General Failure\n"));\r |
0591696e FT |
242 | break;\r |
243 | default :\r | |
244 | ASSERT (FALSE);\r | |
245 | break;\r | |
246 | }\r | |
247 | }\r | |
248 | \r | |
249 | /**\r | |
250 | Swap little endian to big endian.\r | |
251 | \r | |
252 | @param[in, out] Buffer The data buffer. In input, it contains little endian data.\r | |
253 | In output, it will become big endian.\r | |
254 | @param[in] BufferSize The length of converted data.\r | |
255 | \r | |
256 | **/\r | |
257 | VOID\r | |
258 | SwapLittleEndianToBigEndian (\r | |
259 | IN OUT UINT8 *Buffer,\r | |
260 | IN UINT32 BufferSize\r | |
261 | )\r | |
262 | {\r | |
263 | UINT32 Index;\r | |
264 | UINT8 Temp;\r | |
265 | UINT32 SwapCount;\r | |
266 | \r | |
267 | SwapCount = BufferSize / 2;\r | |
268 | for (Index = 0; Index < SwapCount; Index++) {\r | |
269 | Temp = Buffer[Index];\r | |
270 | Buffer[Index] = Buffer[BufferSize - 1 - Index];\r | |
271 | Buffer[BufferSize - 1 - Index] = Temp;\r | |
272 | }\r | |
273 | }\r | |
274 | \r | |
275 | /**\r | |
276 | Fill TSF field of QUERY REQUEST UPIU.\r | |
277 | \r | |
278 | @param[in, out] TsfBase The base address of TSF field of QUERY REQUEST UPIU.\r | |
279 | @param[in] Opcode The opcode of request.\r | |
280 | @param[in] DescId The descriptor ID of request.\r | |
281 | @param[in] Index The index of request.\r | |
282 | @param[in] Selector The selector of request.\r | |
283 | @param[in] Length The length of transferred data. The maximum is 4.\r | |
284 | @param[in] Value The value of transferred data.\r | |
285 | \r | |
286 | **/\r | |
287 | VOID\r | |
288 | UfsFillTsfOfQueryReqUpiu (\r | |
289 | IN OUT UTP_UPIU_TSF *TsfBase,\r | |
290 | IN UINT8 Opcode,\r | |
291 | IN UINT8 DescId OPTIONAL,\r | |
292 | IN UINT8 Index OPTIONAL,\r | |
293 | IN UINT8 Selector OPTIONAL,\r | |
294 | IN UINT16 Length OPTIONAL,\r | |
295 | IN UINT32 Value OPTIONAL\r | |
296 | )\r | |
297 | {\r | |
298 | ASSERT (TsfBase != NULL);\r | |
299 | ASSERT (Opcode <= UtpQueryFuncOpcodeTogFlag);\r | |
300 | \r | |
301 | TsfBase->Opcode = Opcode;\r | |
302 | if (Opcode != UtpQueryFuncOpcodeNop) {\r | |
303 | TsfBase->DescId = DescId;\r | |
304 | TsfBase->Index = Index;\r | |
305 | TsfBase->Selector = Selector;\r | |
306 | \r | |
307 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r | |
308 | SwapLittleEndianToBigEndian ((UINT8*)&Length, sizeof (Length));\r | |
309 | TsfBase->Length = Length;\r | |
310 | }\r | |
d1102dba | 311 | \r |
0591696e FT |
312 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r |
313 | SwapLittleEndianToBigEndian ((UINT8*)&Value, sizeof (Value));\r | |
314 | TsfBase->Value = Value;\r | |
315 | }\r | |
316 | }\r | |
317 | }\r | |
318 | \r | |
319 | /**\r | |
320 | Initialize COMMAND UPIU.\r | |
321 | \r | |
322 | @param[in, out] Command The base address of COMMAND UPIU.\r | |
323 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
324 | @param[in] TaskTag The task tag of request.\r | |
325 | @param[in] Cdb The cdb buffer containing SCSI command.\r | |
326 | @param[in] CdbLength The cdb length.\r | |
327 | @param[in] DataDirection The direction of data transfer.\r | |
328 | @param[in] ExpDataTranLen The expected transfer data length.\r | |
329 | \r | |
330 | @retval EFI_SUCCESS The initialization succeed.\r | |
331 | \r | |
332 | **/\r | |
333 | EFI_STATUS\r | |
334 | UfsInitCommandUpiu (\r | |
335 | IN OUT UTP_COMMAND_UPIU *Command,\r | |
336 | IN UINT8 Lun,\r | |
337 | IN UINT8 TaskTag,\r | |
338 | IN UINT8 *Cdb,\r | |
339 | IN UINT8 CdbLength,\r | |
340 | IN UFS_DATA_DIRECTION DataDirection,\r | |
341 | IN UINT32 ExpDataTranLen\r | |
342 | )\r | |
343 | {\r | |
344 | UINT8 Flags;\r | |
345 | \r | |
346 | ASSERT ((Command != NULL) && (Cdb != NULL));\r | |
347 | \r | |
348 | //\r | |
349 | // Task attribute is hard-coded to Ordered.\r | |
350 | //\r | |
351 | if (DataDirection == UfsDataIn) {\r | |
352 | Flags = BIT0 | BIT6;\r | |
353 | } else if (DataDirection == UfsDataOut) {\r | |
354 | Flags = BIT0 | BIT5;\r | |
355 | } else {\r | |
356 | Flags = BIT0;\r | |
357 | }\r | |
358 | \r | |
359 | //\r | |
360 | // Fill UTP COMMAND UPIU associated fields.\r | |
361 | //\r | |
362 | Command->TransCode = 0x01;\r | |
363 | Command->Flags = Flags;\r | |
364 | Command->Lun = Lun;\r | |
365 | Command->TaskTag = TaskTag;\r | |
366 | Command->CmdSet = 0x00;\r | |
367 | SwapLittleEndianToBigEndian ((UINT8*)&ExpDataTranLen, sizeof (ExpDataTranLen));\r | |
368 | Command->ExpDataTranLen = ExpDataTranLen;\r | |
369 | \r | |
370 | CopyMem (Command->Cdb, Cdb, CdbLength);\r | |
371 | \r | |
372 | return EFI_SUCCESS;\r | |
373 | }\r | |
374 | \r | |
375 | /**\r | |
376 | Initialize UTP PRDT for data transfer.\r | |
377 | \r | |
378 | @param[in] Prdt The base address of PRDT.\r | |
379 | @param[in] Buffer The buffer to be read or written.\r | |
380 | @param[in] BufferSize The data size to be read or written.\r | |
381 | \r | |
382 | @retval EFI_SUCCESS The initialization succeed.\r | |
383 | \r | |
384 | **/\r | |
385 | EFI_STATUS\r | |
386 | UfsInitUtpPrdt (\r | |
387 | IN UTP_TR_PRD *Prdt,\r | |
388 | IN VOID *Buffer,\r | |
389 | IN UINT32 BufferSize\r | |
390 | )\r | |
391 | {\r | |
392 | UINT32 PrdtIndex;\r | |
393 | UINT32 RemainingLen;\r | |
394 | UINT8 *Remaining;\r | |
395 | UINTN PrdtNumber;\r | |
396 | \r | |
a37e18f6 AM |
397 | ASSERT (((UINTN)Buffer & (BIT0 | BIT1)) == 0);\r |
398 | ASSERT ((BufferSize & (BIT1 | BIT0)) == 0);\r | |
d945390d | 399 | \r |
0591696e FT |
400 | if (BufferSize == 0) {\r |
401 | return EFI_SUCCESS;\r | |
402 | }\r | |
403 | \r | |
0591696e FT |
404 | RemainingLen = BufferSize;\r |
405 | Remaining = Buffer;\r | |
406 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)BufferSize + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
407 | \r | |
408 | for (PrdtIndex = 0; PrdtIndex < PrdtNumber; PrdtIndex++) {\r | |
409 | if (RemainingLen < UFS_MAX_DATA_LEN_PER_PRD) {\r | |
410 | Prdt[PrdtIndex].DbCount = (UINT32)RemainingLen - 1;\r | |
411 | } else {\r | |
412 | Prdt[PrdtIndex].DbCount = UFS_MAX_DATA_LEN_PER_PRD - 1;\r | |
413 | }\r | |
414 | \r | |
415 | Prdt[PrdtIndex].DbAddr = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 2);\r | |
416 | Prdt[PrdtIndex].DbAddrU = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 32);\r | |
417 | RemainingLen -= UFS_MAX_DATA_LEN_PER_PRD;\r | |
418 | Remaining += UFS_MAX_DATA_LEN_PER_PRD;\r | |
419 | }\r | |
420 | \r | |
421 | return EFI_SUCCESS;\r | |
422 | }\r | |
423 | \r | |
424 | /**\r | |
425 | Initialize QUERY REQUEST UPIU.\r | |
426 | \r | |
427 | @param[in, out] QueryReq The base address of QUERY REQUEST UPIU.\r | |
428 | @param[in] TaskTag The task tag of request.\r | |
429 | @param[in] Opcode The opcode of request.\r | |
430 | @param[in] DescId The descriptor ID of request.\r | |
431 | @param[in] Index The index of request.\r | |
432 | @param[in] Selector The selector of request.\r | |
433 | @param[in] DataSize The data size to be read or written.\r | |
434 | @param[in] Data The buffer to be read or written.\r | |
435 | \r | |
436 | @retval EFI_SUCCESS The initialization succeed.\r | |
437 | \r | |
438 | **/\r | |
439 | EFI_STATUS\r | |
440 | UfsInitQueryRequestUpiu (\r | |
441 | IN OUT UTP_QUERY_REQ_UPIU *QueryReq,\r | |
442 | IN UINT8 TaskTag,\r | |
443 | IN UINT8 Opcode,\r | |
444 | IN UINT8 DescId,\r | |
445 | IN UINT8 Index,\r | |
446 | IN UINT8 Selector,\r | |
447 | IN UINTN DataSize OPTIONAL,\r | |
448 | IN UINT8 *Data OPTIONAL\r | |
449 | )\r | |
450 | {\r | |
451 | ASSERT (QueryReq != NULL);\r | |
452 | \r | |
453 | QueryReq->TransCode = 0x16;\r | |
454 | QueryReq->TaskTag = TaskTag;\r | |
455 | if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeRdFlag) || (Opcode == UtpQueryFuncOpcodeRdAttr)) {\r | |
456 | QueryReq->QueryFunc = QUERY_FUNC_STD_READ_REQ;\r | |
457 | } else {\r | |
458 | QueryReq->QueryFunc = QUERY_FUNC_STD_WRITE_REQ;\r | |
459 | }\r | |
460 | \r | |
461 | if (Opcode == UtpQueryFuncOpcodeWrAttr) {\r | |
462 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, *(UINT32*)Data);\r | |
463 | } else if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) {\r | |
464 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, (UINT16)DataSize, 0);\r | |
465 | } else {\r | |
466 | UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, 0);\r | |
467 | }\r | |
468 | \r | |
469 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
470 | CopyMem (QueryReq + 1, Data, DataSize);\r | |
c16eee92 HW |
471 | \r |
472 | SwapLittleEndianToBigEndian ((UINT8*)&DataSize, sizeof (UINT16));\r | |
473 | QueryReq->DataSegLen = (UINT16)DataSize;\r | |
0591696e FT |
474 | }\r |
475 | \r | |
476 | return EFI_SUCCESS;\r | |
477 | }\r | |
478 | \r | |
479 | /**\r | |
480 | Allocate COMMAND/RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
481 | \r | |
482 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
483 | @param[in] Lun The Lun on which the SCSI command is executed.\r | |
484 | @param[in] Packet The pointer to the EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET data structure.\r | |
485 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
486 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
487 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
488 | \r | |
489 | @retval EFI_SUCCESS The creation succeed.\r | |
490 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
491 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
492 | \r | |
493 | **/\r | |
494 | EFI_STATUS\r | |
495 | UfsCreateScsiCommandDesc (\r | |
496 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
497 | IN UINT8 Lun,\r | |
498 | IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
499 | IN UTP_TRD *Trd,\r | |
500 | OUT VOID **CmdDescHost,\r | |
501 | OUT VOID **CmdDescMapping\r | |
502 | )\r | |
503 | {\r | |
504 | UINTN TotalLen;\r | |
505 | UINTN PrdtNumber;\r | |
506 | UTP_COMMAND_UPIU *CommandUpiu;\r | |
507 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
508 | EFI_STATUS Status;\r | |
509 | UINT32 DataLen;\r | |
510 | UFS_DATA_DIRECTION DataDirection;\r | |
511 | \r | |
512 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
513 | \r | |
514 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
515 | DataLen = Packet->InTransferLength;\r | |
516 | DataDirection = UfsDataIn;\r | |
517 | } else {\r | |
518 | DataLen = Packet->OutTransferLength;\r | |
519 | DataDirection = UfsDataOut;\r | |
520 | }\r | |
521 | \r | |
522 | if (DataLen == 0) {\r | |
523 | DataDirection = UfsNoData;\r | |
524 | }\r | |
525 | \r | |
526 | PrdtNumber = (UINTN)DivU64x32 ((UINT64)DataLen + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD);\r | |
527 | \r | |
528 | TotalLen = ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)) + PrdtNumber * sizeof (UTP_TR_PRD);\r | |
529 | \r | |
530 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
531 | if (EFI_ERROR (Status)) {\r | |
532 | return Status;\r | |
533 | }\r | |
534 | \r | |
535 | CommandUpiu = (UTP_COMMAND_UPIU*)*CmdDescHost;\r | |
536 | \r | |
537 | UfsInitCommandUpiu (CommandUpiu, Lun, Private->TaskTag++, Packet->Cdb, Packet->CdbLength, DataDirection, DataLen);\r | |
538 | \r | |
539 | //\r | |
540 | // Fill UTP_TRD associated fields\r | |
541 | // NOTE: Some UFS host controllers request the Response UPIU and the Physical Region Description Table\r | |
542 | // *MUST* be located at a 64-bit aligned boundary.\r | |
543 | //\r | |
544 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
545 | Trd->Dd = DataDirection;\r | |
546 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
86bd34ca | 547 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
548 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r |
549 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
550 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)), sizeof (UINT32));\r | |
551 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)), sizeof (UINT32));\r | |
552 | Trd->PrdtL = (UINT16)PrdtNumber;\r | |
553 | Trd->PrdtO = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU))), sizeof (UINT32));\r | |
554 | return EFI_SUCCESS;\r | |
555 | }\r | |
556 | \r | |
557 | /**\r | |
558 | Allocate QUERY REQUEST/QUERY RESPONSE UPIU for filling UTP TRD's command descriptor field.\r | |
559 | \r | |
560 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
561 | @param[in] Packet The pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET data structure.\r | |
562 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
563 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
564 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
565 | \r | |
566 | @retval EFI_SUCCESS The creation succeed.\r | |
567 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
568 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
569 | @retval EFI_INVALID_PARAMETER The parameter passed in is invalid.\r | |
570 | \r | |
571 | **/\r | |
572 | EFI_STATUS\r | |
573 | UfsCreateDMCommandDesc (\r | |
574 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
575 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet,\r | |
576 | IN UTP_TRD *Trd,\r | |
577 | OUT VOID **CmdDescHost,\r | |
578 | OUT VOID **CmdDescMapping\r | |
579 | )\r | |
580 | {\r | |
581 | UINTN TotalLen;\r | |
582 | UTP_QUERY_REQ_UPIU *QueryReqUpiu;\r | |
583 | UINT8 Opcode;\r | |
584 | UINT32 DataSize;\r | |
585 | UINT8 *Data;\r | |
586 | UINT8 DataDirection;\r | |
587 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
588 | EFI_STATUS Status;\r | |
589 | \r | |
590 | ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL));\r | |
591 | \r | |
592 | Opcode = Packet->Opcode;\r | |
593 | if ((Opcode > UtpQueryFuncOpcodeTogFlag) || (Opcode == UtpQueryFuncOpcodeNop)) {\r | |
594 | return EFI_INVALID_PARAMETER;\r | |
595 | }\r | |
596 | \r | |
597 | DataDirection = Packet->DataDirection;\r | |
95ad8f7f HW |
598 | DataSize = Packet->TransferLength;\r |
599 | Data = Packet->DataBuffer;\r | |
0591696e FT |
600 | \r |
601 | if ((Opcode == UtpQueryFuncOpcodeWrDesc) || (Opcode == UtpQueryFuncOpcodeRdDesc)) {\r | |
95ad8f7f HW |
602 | if (DataSize == 0 || Data == NULL) {\r |
603 | return EFI_INVALID_PARAMETER;\r | |
604 | }\r | |
0591696e FT |
605 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize);\r |
606 | } else {\r | |
607 | TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU));\r | |
608 | }\r | |
609 | \r | |
610 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
611 | if (EFI_ERROR (Status)) {\r | |
612 | return Status;\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // Initialize UTP QUERY REQUEST UPIU\r | |
617 | //\r | |
618 | QueryReqUpiu = (UTP_QUERY_REQ_UPIU*)*CmdDescHost;\r | |
619 | ASSERT (QueryReqUpiu != NULL);\r | |
620 | UfsInitQueryRequestUpiu (\r | |
621 | QueryReqUpiu,\r | |
622 | Private->TaskTag++,\r | |
623 | Opcode,\r | |
624 | Packet->DescId,\r | |
625 | Packet->Index,\r | |
626 | Packet->Selector,\r | |
627 | DataSize,\r | |
628 | Data\r | |
629 | );\r | |
630 | \r | |
631 | //\r | |
632 | // Fill UTP_TRD associated fields\r | |
633 | // NOTE: Some UFS host controllers request the Query Response UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
634 | //\r | |
635 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
636 | Trd->Dd = DataDirection;\r | |
637 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
86bd34ca | 638 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
639 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r |
640 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
641 | if (Opcode == UtpQueryFuncOpcodeWrDesc) {\r | |
642 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)), sizeof (UINT32));\r | |
16f69227 | 643 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32));\r |
0591696e | 644 | } else {\r |
16f69227 | 645 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32));\r |
0591696e FT |
646 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)), sizeof (UINT32));\r |
647 | }\r | |
648 | \r | |
649 | return EFI_SUCCESS;\r | |
650 | }\r | |
651 | \r | |
652 | /**\r | |
653 | Allocate NOP IN and NOP OUT UPIU for filling UTP TRD's command descriptor field.\r | |
654 | \r | |
655 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
656 | @param[in] Trd The pointer to the UTP Transfer Request Descriptor.\r | |
657 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
658 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
659 | \r | |
660 | @retval EFI_SUCCESS The creation succeed.\r | |
661 | @retval EFI_DEVICE_ERROR The creation failed.\r | |
662 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
663 | \r | |
664 | **/\r | |
665 | EFI_STATUS\r | |
666 | UfsCreateNopCommandDesc (\r | |
667 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
668 | IN UTP_TRD *Trd,\r | |
669 | OUT VOID **CmdDescHost,\r | |
670 | OUT VOID **CmdDescMapping\r | |
671 | )\r | |
672 | {\r | |
673 | UINTN TotalLen;\r | |
674 | UTP_NOP_OUT_UPIU *NopOutUpiu;\r | |
675 | EFI_STATUS Status;\r | |
676 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
677 | \r | |
678 | ASSERT ((Private != NULL) && (Trd != NULL));\r | |
679 | \r | |
680 | TotalLen = ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)) + ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU));\r | |
681 | Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping);\r | |
682 | if (EFI_ERROR (Status)) {\r | |
683 | return Status;\r | |
684 | }\r | |
685 | \r | |
686 | NopOutUpiu = (UTP_NOP_OUT_UPIU*)*CmdDescHost;\r | |
687 | ASSERT (NopOutUpiu != NULL);\r | |
688 | NopOutUpiu->TaskTag = Private->TaskTag++;\r | |
689 | \r | |
690 | //\r | |
691 | // Fill UTP_TRD associated fields\r | |
692 | // NOTE: Some UFS host controllers request the Nop Out UPIU *MUST* be located at a 64-bit aligned boundary.\r | |
693 | //\r | |
694 | Trd->Int = UFS_INTERRUPT_COMMAND;\r | |
695 | Trd->Dd = 0x00;\r | |
696 | Trd->Ct = UFS_STORAGE_COMMAND_TYPE;\r | |
86bd34ca | 697 | Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE;\r |
0591696e FT |
698 | Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7);\r |
699 | Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32);\r | |
700 | Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU)), sizeof (UINT32));\r | |
701 | Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)), sizeof (UINT32));\r | |
702 | \r | |
703 | return EFI_SUCCESS;\r | |
704 | }\r | |
705 | \r | |
706 | /**\r | |
707 | Find out available slot in transfer list of a UFS device.\r | |
708 | \r | |
709 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
710 | @param[out] Slot The available slot.\r | |
711 | \r | |
712 | @retval EFI_SUCCESS The available slot was found successfully.\r | |
0350b57c | 713 | @retval EFI_NOT_READY No slot is available at this moment.\r |
0591696e FT |
714 | \r |
715 | **/\r | |
716 | EFI_STATUS\r | |
717 | UfsFindAvailableSlotInTrl (\r | |
718 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
719 | OUT UINT8 *Slot\r | |
720 | )\r | |
721 | {\r | |
0350b57c HW |
722 | UINT8 Nutrs;\r |
723 | UINT8 Index;\r | |
724 | UINT32 Data;\r | |
725 | EFI_STATUS Status;\r | |
726 | \r | |
0591696e FT |
727 | ASSERT ((Private != NULL) && (Slot != NULL));\r |
728 | \r | |
0350b57c HW |
729 | Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Data);\r |
730 | if (EFI_ERROR (Status)) {\r | |
731 | return Status;\r | |
732 | }\r | |
0591696e | 733 | \r |
0350b57c HW |
734 | Nutrs = (UINT8)((Private->Capabilities & UFS_HC_CAP_NUTRS) + 1);\r |
735 | \r | |
736 | for (Index = 0; Index < Nutrs; Index++) {\r | |
737 | if ((Data & (BIT0 << Index)) == 0) {\r | |
738 | *Slot = Index;\r | |
739 | return EFI_SUCCESS;\r | |
740 | }\r | |
741 | }\r | |
742 | \r | |
743 | return EFI_NOT_READY;\r | |
0591696e FT |
744 | }\r |
745 | \r | |
0591696e FT |
746 | \r |
747 | /**\r | |
748 | Start specified slot in transfer list of a UFS device.\r | |
749 | \r | |
750 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
751 | @param[in] Slot The slot to be started.\r | |
752 | \r | |
753 | **/\r | |
095f0779 | 754 | EFI_STATUS\r |
0591696e FT |
755 | UfsStartExecCmd (\r |
756 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
757 | IN UINT8 Slot\r | |
d1102dba | 758 | )\r |
0591696e | 759 | {\r |
0591696e | 760 | UINT32 Data;\r |
095f0779 | 761 | EFI_STATUS Status;\r |
0591696e | 762 | \r |
095f0779 FT |
763 | Status = UfsMmioRead32 (Private, UFS_HC_UTRLRSR_OFFSET, &Data);\r |
764 | if (EFI_ERROR (Status)) {\r | |
765 | return Status;\r | |
766 | }\r | |
0591696e | 767 | \r |
0591696e | 768 | if ((Data & UFS_HC_UTRLRSR) != UFS_HC_UTRLRSR) {\r |
095f0779 FT |
769 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, UFS_HC_UTRLRSR);\r |
770 | if (EFI_ERROR (Status)) {\r | |
771 | return Status;\r | |
772 | }\r | |
773 | }\r | |
774 | \r | |
775 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << Slot);\r | |
776 | if (EFI_ERROR (Status)) {\r | |
777 | return Status;\r | |
0591696e FT |
778 | }\r |
779 | \r | |
095f0779 | 780 | return EFI_SUCCESS;\r |
0591696e FT |
781 | }\r |
782 | \r | |
783 | /**\r | |
784 | Stop specified slot in transfer list of a UFS device.\r | |
785 | \r | |
786 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
787 | @param[in] Slot The slot to be stop.\r | |
788 | \r | |
789 | **/\r | |
095f0779 | 790 | EFI_STATUS\r |
0591696e FT |
791 | UfsStopExecCmd (\r |
792 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
793 | IN UINT8 Slot\r | |
d1102dba | 794 | )\r |
0591696e | 795 | {\r |
0591696e | 796 | UINT32 Data;\r |
095f0779 | 797 | EFI_STATUS Status;\r |
0591696e | 798 | \r |
095f0779 FT |
799 | Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Data);\r |
800 | if (EFI_ERROR (Status)) {\r | |
801 | return Status;\r | |
802 | }\r | |
0591696e | 803 | \r |
0591696e | 804 | if ((Data & (BIT0 << Slot)) != 0) {\r |
095f0779 FT |
805 | Status = UfsMmioRead32 (Private, UFS_HC_UTRLCLR_OFFSET, &Data);\r |
806 | if (EFI_ERROR (Status)) {\r | |
807 | return Status;\r | |
808 | }\r | |
809 | \r | |
810 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLCLR_OFFSET, Data & ~(BIT0 << Slot));\r | |
811 | if (EFI_ERROR (Status)) {\r | |
812 | return Status;\r | |
813 | }\r | |
0591696e | 814 | }\r |
095f0779 FT |
815 | \r |
816 | return EFI_SUCCESS;\r | |
0591696e FT |
817 | }\r |
818 | \r | |
819 | /**\r | |
95ad8f7f | 820 | Extracts return data from query response upiu.\r |
0591696e | 821 | \r |
95ad8f7f HW |
822 | @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET.\r |
823 | @param[in] QueryResp Pointer to the query response.\r | |
0591696e | 824 | \r |
95ad8f7f | 825 | @retval EFI_INVALID_PARAMETER Packet or QueryResp are empty or opcode is invalid.\r |
8894c90d | 826 | @retval EFI_DEVICE_ERROR Data returned from device is invalid.\r |
95ad8f7f | 827 | @retval EFI_SUCCESS Data extracted.\r |
0591696e FT |
828 | \r |
829 | **/\r | |
830 | EFI_STATUS\r | |
95ad8f7f HW |
831 | UfsGetReturnDataFromQueryResponse (\r |
832 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet,\r | |
833 | IN UTP_QUERY_RESP_UPIU *QueryResp\r | |
0591696e FT |
834 | )\r |
835 | {\r | |
95ad8f7f HW |
836 | UINT16 ReturnDataSize;\r |
837 | UINT32 ReturnData;\r | |
0591696e | 838 | \r |
95ad8f7f HW |
839 | if (Packet == NULL || QueryResp == NULL) {\r |
840 | return EFI_INVALID_PARAMETER;\r | |
841 | }\r | |
0591696e | 842 | \r |
95ad8f7f HW |
843 | switch (Packet->Opcode) {\r |
844 | case UtpQueryFuncOpcodeRdDesc:\r | |
845 | ReturnDataSize = QueryResp->Tsf.Length;\r | |
846 | SwapLittleEndianToBigEndian ((UINT8*)&ReturnDataSize, sizeof (UINT16));\r | |
8894c90d HW |
847 | //\r |
848 | // Make sure the hardware device does not return more data than expected.\r | |
849 | //\r | |
850 | if (ReturnDataSize > Packet->TransferLength) {\r | |
851 | return EFI_DEVICE_ERROR;\r | |
852 | }\r | |
853 | \r | |
95ad8f7f HW |
854 | CopyMem (Packet->DataBuffer, (QueryResp + 1), ReturnDataSize);\r |
855 | Packet->TransferLength = ReturnDataSize;\r | |
856 | break;\r | |
857 | case UtpQueryFuncOpcodeWrDesc:\r | |
858 | ReturnDataSize = QueryResp->Tsf.Length;\r | |
859 | SwapLittleEndianToBigEndian ((UINT8*)&ReturnDataSize, sizeof (UINT16));\r | |
860 | Packet->TransferLength = ReturnDataSize;\r | |
861 | break;\r | |
862 | case UtpQueryFuncOpcodeRdFlag:\r | |
863 | case UtpQueryFuncOpcodeSetFlag:\r | |
864 | case UtpQueryFuncOpcodeClrFlag:\r | |
865 | case UtpQueryFuncOpcodeTogFlag:\r | |
866 | CopyMem (Packet->DataBuffer, &QueryResp->Tsf.Value, sizeof (UINT8));\r | |
867 | break;\r | |
868 | case UtpQueryFuncOpcodeRdAttr:\r | |
869 | case UtpQueryFuncOpcodeWrAttr:\r | |
870 | ReturnData = QueryResp->Tsf.Value;\r | |
871 | SwapLittleEndianToBigEndian ((UINT8*) &ReturnData, sizeof (UINT32));\r | |
872 | CopyMem (Packet->DataBuffer, &ReturnData, sizeof (UINT32));\r | |
873 | break;\r | |
874 | default:\r | |
875 | return EFI_INVALID_PARAMETER;\r | |
0591696e | 876 | }\r |
95ad8f7f HW |
877 | \r |
878 | return EFI_SUCCESS;\r | |
879 | }\r | |
880 | \r | |
881 | /**\r | |
882 | Creates Transfer Request descriptor and sends Query Request to the device.\r | |
883 | \r | |
884 | @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA.\r | |
885 | @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET.\r | |
886 | \r | |
887 | @retval EFI_SUCCESS The device descriptor was read/written successfully.\r | |
32c9049d HW |
888 | @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid\r |
889 | combination to point to a type of UFS device descriptor.\r | |
95ad8f7f HW |
890 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor.\r |
891 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor.\r | |
892 | \r | |
893 | **/\r | |
894 | EFI_STATUS\r | |
895 | UfsSendDmRequestRetry (\r | |
896 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
897 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet\r | |
898 | )\r | |
899 | {\r | |
900 | UINT8 Slot;\r | |
901 | UTP_TRD *Trd;\r | |
902 | VOID *CmdDescHost;\r | |
903 | VOID *CmdDescMapping;\r | |
904 | UINT32 CmdDescSize;\r | |
905 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
906 | UTP_QUERY_RESP_UPIU *QueryResp;\r | |
907 | EFI_STATUS Status;\r | |
0591696e FT |
908 | \r |
909 | //\r | |
910 | // Find out which slot of transfer request list is available.\r | |
911 | //\r | |
912 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
913 | if (EFI_ERROR (Status)) {\r | |
914 | return Status;\r | |
915 | }\r | |
d1102dba | 916 | \r |
0591696e FT |
917 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r |
918 | //\r | |
919 | // Fill transfer request descriptor to this slot.\r | |
920 | //\r | |
95ad8f7f | 921 | Status = UfsCreateDMCommandDesc (Private, Packet, Trd, &CmdDescHost, &CmdDescMapping);\r |
0591696e | 922 | if (EFI_ERROR (Status)) {\r |
95ad8f7f | 923 | DEBUG ((DEBUG_ERROR, "Failed to create DM command descriptor\n"));\r |
0591696e FT |
924 | return Status;\r |
925 | }\r | |
926 | \r | |
0591696e FT |
927 | UfsHc = Private->UfsHostController;\r |
928 | QueryResp = (UTP_QUERY_RESP_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
929 | ASSERT (QueryResp != NULL);\r | |
930 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
931 | \r | |
932 | //\r | |
933 | // Start to execute the transfer request.\r | |
934 | //\r | |
935 | UfsStartExecCmd (Private, Slot);\r | |
936 | \r | |
937 | //\r | |
938 | // Wait for the completion of the transfer request.\r | |
95ad8f7f HW |
939 | //\r |
940 | Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0, 0, Packet->Timeout);\r | |
0591696e FT |
941 | if (EFI_ERROR (Status)) {\r |
942 | goto Exit;\r | |
943 | }\r | |
944 | \r | |
95ad8f7f HW |
945 | if (Trd->Ocs != 0 || QueryResp->QueryResp != UfsUtpQueryResponseSuccess) {\r |
946 | DEBUG ((DEBUG_ERROR, "Failed to send query request, OCS = %X, QueryResp = %X\n", Trd->Ocs, QueryResp->QueryResp));\r | |
0591696e | 947 | DumpQueryResponseResult (QueryResp->QueryResp);\r |
32c9049d HW |
948 | \r |
949 | if ((QueryResp->QueryResp == UfsUtpQueryResponseInvalidSelector) ||\r | |
950 | (QueryResp->QueryResp == UfsUtpQueryResponseInvalidIndex) ||\r | |
951 | (QueryResp->QueryResp == UfsUtpQueryResponseInvalidIdn)) {\r | |
952 | Status = EFI_INVALID_PARAMETER;\r | |
953 | } else {\r | |
954 | Status = EFI_DEVICE_ERROR;\r | |
955 | }\r | |
0591696e FT |
956 | goto Exit;\r |
957 | }\r | |
958 | \r | |
95ad8f7f HW |
959 | Status = UfsGetReturnDataFromQueryResponse (Packet, QueryResp);\r |
960 | if (EFI_ERROR (Status)) {\r | |
961 | DEBUG ((DEBUG_ERROR, "Failed to get return data from query response\n"));\r | |
962 | goto Exit;\r | |
0591696e FT |
963 | }\r |
964 | \r | |
965 | Exit:\r | |
966 | UfsHc->Flush (UfsHc);\r | |
967 | \r | |
968 | UfsStopExecCmd (Private, Slot);\r | |
969 | \r | |
970 | if (CmdDescMapping != NULL) {\r | |
971 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
972 | }\r | |
973 | if (CmdDescHost != NULL) {\r | |
974 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
975 | }\r | |
976 | \r | |
977 | return Status;\r | |
978 | }\r | |
979 | \r | |
95ad8f7f HW |
980 | /**\r |
981 | Sends Query Request to the device. Query is sent until device responds correctly or counter runs out.\r | |
982 | \r | |
983 | @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA.\r | |
984 | @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_PACKET.\r | |
985 | \r | |
986 | @retval EFI_SUCCESS The device responded correctly to the Query request.\r | |
32c9049d HW |
987 | @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid\r |
988 | combination to point to a type of UFS device descriptor.\r | |
95ad8f7f HW |
989 | @retval EFI_DEVICE_ERROR A device error occurred while waiting for the response from the device.\r |
990 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of the operation.\r | |
991 | \r | |
992 | **/\r | |
993 | EFI_STATUS\r | |
994 | UfsSendDmRequest (\r | |
995 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
996 | IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet\r | |
997 | )\r | |
998 | {\r | |
999 | EFI_STATUS Status;\r | |
1000 | UINT8 Retry;\r | |
1001 | \r | |
1002 | Status = EFI_SUCCESS;\r | |
1003 | \r | |
1004 | for (Retry = 0; Retry < 5; Retry ++) {\r | |
1005 | Status = UfsSendDmRequestRetry (Private, Packet);\r | |
1006 | if (!EFI_ERROR (Status)) {\r | |
1007 | return EFI_SUCCESS;\r | |
1008 | }\r | |
1009 | }\r | |
1010 | \r | |
1011 | DEBUG ((DEBUG_ERROR, "Failed to get response from the device after %d retries\n", Retry));\r | |
1012 | return Status;\r | |
1013 | }\r | |
1014 | \r | |
1015 | /**\r | |
1016 | Read or write specified device descriptor of a UFS device.\r | |
1017 | \r | |
1018 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1019 | @param[in] Read The boolean variable to show r/w direction.\r | |
1020 | @param[in] DescId The ID of device descriptor.\r | |
1021 | @param[in] Index The Index of device descriptor.\r | |
1022 | @param[in] Selector The Selector of device descriptor.\r | |
1023 | @param[in, out] Descriptor The buffer of device descriptor to be read or written.\r | |
32c9049d HW |
1024 | @param[in, out] DescSize The size of device descriptor buffer. On input, the size, in bytes,\r |
1025 | of the data buffer specified by Descriptor. On output, the number\r | |
1026 | of bytes that were actually transferred.\r | |
95ad8f7f HW |
1027 | \r |
1028 | @retval EFI_SUCCESS The device descriptor was read/written successfully.\r | |
32c9049d HW |
1029 | @retval EFI_INVALID_PARAMETER DescId, Index and Selector are invalid combination to point to a\r |
1030 | type of UFS device descriptor.\r | |
95ad8f7f HW |
1031 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor.\r |
1032 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor.\r | |
1033 | \r | |
1034 | **/\r | |
1035 | EFI_STATUS\r | |
1036 | UfsRwDeviceDesc (\r | |
1037 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1038 | IN BOOLEAN Read,\r | |
1039 | IN UINT8 DescId,\r | |
1040 | IN UINT8 Index,\r | |
1041 | IN UINT8 Selector,\r | |
1042 | IN OUT VOID *Descriptor,\r | |
32c9049d | 1043 | IN OUT UINT32 *DescSize\r |
95ad8f7f HW |
1044 | )\r |
1045 | {\r | |
1046 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r | |
32c9049d HW |
1047 | EFI_STATUS Status;\r |
1048 | \r | |
1049 | if (DescSize == NULL) {\r | |
1050 | return EFI_INVALID_PARAMETER;\r | |
1051 | }\r | |
95ad8f7f HW |
1052 | \r |
1053 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
1054 | \r | |
1055 | if (Read) {\r | |
1056 | Packet.DataDirection = UfsDataIn;\r | |
1057 | Packet.Opcode = UtpQueryFuncOpcodeRdDesc;\r | |
1058 | } else {\r | |
1059 | Packet.DataDirection = UfsDataOut;\r | |
1060 | Packet.Opcode = UtpQueryFuncOpcodeWrDesc;\r | |
1061 | }\r | |
1062 | Packet.DataBuffer = Descriptor;\r | |
32c9049d | 1063 | Packet.TransferLength = *DescSize;\r |
95ad8f7f HW |
1064 | Packet.DescId = DescId;\r |
1065 | Packet.Index = Index;\r | |
1066 | Packet.Selector = Selector;\r | |
1067 | Packet.Timeout = UFS_TIMEOUT;\r | |
1068 | \r | |
32c9049d HW |
1069 | Status = UfsSendDmRequest (Private, &Packet);\r |
1070 | if (EFI_ERROR (Status)) {\r | |
1071 | *DescSize = 0;\r | |
1072 | } else {\r | |
1073 | *DescSize = Packet.TransferLength;\r | |
1074 | }\r | |
1075 | \r | |
1076 | return Status;\r | |
95ad8f7f HW |
1077 | }\r |
1078 | \r | |
0591696e FT |
1079 | /**\r |
1080 | Read or write specified attribute of a UFS device.\r | |
1081 | \r | |
1082 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1083 | @param[in] Read The boolean variable to show r/w direction.\r | |
1084 | @param[in] AttrId The ID of Attribute.\r | |
1085 | @param[in] Index The Index of Attribute.\r | |
1086 | @param[in] Selector The Selector of Attribute.\r | |
1087 | @param[in, out] Attributes The value of Attribute to be read or written.\r | |
1088 | \r | |
1089 | @retval EFI_SUCCESS The Attribute was read/written successfully.\r | |
32c9049d HW |
1090 | @retval EFI_INVALID_PARAMETER AttrId, Index and Selector are invalid combination to point to a\r |
1091 | type of UFS device descriptor.\r | |
0591696e FT |
1092 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the Attribute.\r |
1093 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the Attribute.\r | |
1094 | \r | |
1095 | **/\r | |
1096 | EFI_STATUS\r | |
1097 | UfsRwAttributes (\r | |
1098 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1099 | IN BOOLEAN Read,\r | |
1100 | IN UINT8 AttrId,\r | |
1101 | IN UINT8 Index,\r | |
1102 | IN UINT8 Selector,\r | |
1103 | IN OUT UINT32 *Attributes\r | |
1104 | )\r | |
1105 | {\r | |
0591696e | 1106 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r |
0591696e FT |
1107 | \r |
1108 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
1109 | \r | |
1110 | if (Read) {\r | |
1111 | Packet.DataDirection = UfsDataIn;\r | |
1112 | Packet.Opcode = UtpQueryFuncOpcodeRdAttr;\r | |
1113 | } else {\r | |
1114 | Packet.DataDirection = UfsDataOut;\r | |
1115 | Packet.Opcode = UtpQueryFuncOpcodeWrAttr;\r | |
1116 | }\r | |
95ad8f7f | 1117 | Packet.DataBuffer = Attributes;\r |
0591696e FT |
1118 | Packet.DescId = AttrId;\r |
1119 | Packet.Index = Index;\r | |
1120 | Packet.Selector = Selector;\r | |
1121 | Packet.Timeout = UFS_TIMEOUT;\r | |
1122 | \r | |
95ad8f7f | 1123 | return UfsSendDmRequest (Private, &Packet);\r |
0591696e FT |
1124 | }\r |
1125 | \r | |
1126 | /**\r | |
1127 | Read or write specified flag of a UFS device.\r | |
1128 | \r | |
1129 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1130 | @param[in] Read The boolean variable to show r/w direction.\r | |
1131 | @param[in] FlagId The ID of flag to be read or written.\r | |
1132 | @param[in, out] Value The value to set or clear flag.\r | |
1133 | \r | |
1134 | @retval EFI_SUCCESS The flag was read/written successfully.\r | |
32c9049d | 1135 | @retval EFI_INVALID_PARAMETER FlagId is an invalid UFS flag ID.\r |
0591696e FT |
1136 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the flag.\r |
1137 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the flag.\r | |
1138 | \r | |
1139 | **/\r | |
1140 | EFI_STATUS\r | |
1141 | UfsRwFlags (\r | |
1142 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1143 | IN BOOLEAN Read,\r | |
1144 | IN UINT8 FlagId,\r | |
1145 | IN OUT UINT8 *Value\r | |
1146 | )\r | |
1147 | {\r | |
0591696e | 1148 | UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet;\r |
0591696e FT |
1149 | \r |
1150 | if (Value == NULL) {\r | |
1151 | return EFI_INVALID_PARAMETER;\r | |
1152 | }\r | |
1153 | \r | |
1154 | ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET));\r | |
1155 | \r | |
1156 | if (Read) {\r | |
1157 | ASSERT (Value != NULL);\r | |
1158 | Packet.DataDirection = UfsDataIn;\r | |
1159 | Packet.Opcode = UtpQueryFuncOpcodeRdFlag;\r | |
1160 | } else {\r | |
1161 | Packet.DataDirection = UfsDataOut;\r | |
1162 | if (*Value == 1) {\r | |
1163 | Packet.Opcode = UtpQueryFuncOpcodeSetFlag;\r | |
1164 | } else if (*Value == 0) {\r | |
1165 | Packet.Opcode = UtpQueryFuncOpcodeClrFlag;\r | |
1166 | } else {\r | |
1167 | return EFI_INVALID_PARAMETER;\r | |
1168 | }\r | |
1169 | }\r | |
95ad8f7f | 1170 | Packet.DataBuffer = Value;\r |
0591696e FT |
1171 | Packet.DescId = FlagId;\r |
1172 | Packet.Index = 0;\r | |
1173 | Packet.Selector = 0;\r | |
1174 | Packet.Timeout = UFS_TIMEOUT;\r | |
1175 | \r | |
95ad8f7f | 1176 | return UfsSendDmRequest (Private, &Packet);\r |
0591696e FT |
1177 | }\r |
1178 | \r | |
1179 | /**\r | |
1180 | Set specified flag to 1 on a UFS device.\r | |
1181 | \r | |
1182 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1183 | @param[in] FlagId The ID of flag to be set.\r | |
1184 | \r | |
1185 | @retval EFI_SUCCESS The flag was set successfully.\r | |
1186 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to set the flag.\r | |
1187 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of setting the flag.\r | |
1188 | \r | |
1189 | **/\r | |
1190 | EFI_STATUS\r | |
1191 | UfsSetFlag (\r | |
1192 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1193 | IN UINT8 FlagId\r | |
1194 | )\r | |
1195 | {\r | |
1196 | EFI_STATUS Status;\r | |
1197 | UINT8 Value;\r | |
1198 | \r | |
1199 | Value = 1;\r | |
1200 | Status = UfsRwFlags (Private, FALSE, FlagId, &Value);\r | |
1201 | \r | |
1202 | return Status;\r | |
1203 | }\r | |
1204 | \r | |
0591696e | 1205 | \r |
0591696e FT |
1206 | \r |
1207 | /**\r | |
1208 | Read specified flag from a UFS device.\r | |
1209 | \r | |
1210 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1211 | @param[in] FlagId The ID of flag to be read.\r | |
1212 | @param[out] Value The flag's value.\r | |
1213 | \r | |
1214 | @retval EFI_SUCCESS The flag was read successfully.\r | |
1215 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to read the flag.\r | |
1216 | @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of reading the flag.\r | |
1217 | \r | |
1218 | **/\r | |
1219 | EFI_STATUS\r | |
1220 | UfsReadFlag (\r | |
1221 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1222 | IN UINT8 FlagId,\r | |
1223 | OUT UINT8 *Value\r | |
1224 | )\r | |
1225 | {\r | |
1226 | EFI_STATUS Status;\r | |
1227 | \r | |
1228 | Status = UfsRwFlags (Private, TRUE, FlagId, Value);\r | |
1229 | \r | |
1230 | return Status;\r | |
1231 | }\r | |
1232 | \r | |
1233 | /**\r | |
1234 | Sends NOP IN cmd to a UFS device for initialization process request.\r | |
1235 | For more details, please refer to UFS 2.0 spec Figure 13.3.\r | |
1236 | \r | |
1237 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1238 | \r | |
1239 | @retval EFI_SUCCESS The NOP IN command was sent by the host. The NOP OUT response was\r | |
1240 | received successfully.\r | |
1241 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to execute NOP IN command.\r | |
1242 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1243 | @retval EFI_TIMEOUT A timeout occurred while waiting for the NOP IN command to execute.\r | |
1244 | \r | |
1245 | **/\r | |
1246 | EFI_STATUS\r | |
1247 | UfsExecNopCmds (\r | |
1248 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1249 | )\r | |
1250 | {\r | |
1251 | EFI_STATUS Status;\r | |
1252 | UINT8 Slot;\r | |
1253 | UTP_TRD *Trd;\r | |
1254 | UTP_NOP_IN_UPIU *NopInUpiu;\r | |
1255 | UINT32 CmdDescSize;\r | |
0591696e FT |
1256 | VOID *CmdDescHost;\r |
1257 | VOID *CmdDescMapping;\r | |
1258 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1259 | \r | |
1260 | //\r | |
1261 | // Find out which slot of transfer request list is available.\r | |
1262 | //\r | |
1263 | Status = UfsFindAvailableSlotInTrl (Private, &Slot);\r | |
1264 | if (EFI_ERROR (Status)) {\r | |
1265 | return Status;\r | |
1266 | }\r | |
1267 | \r | |
1268 | Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot;\r | |
1269 | Status = UfsCreateNopCommandDesc (Private, Trd, &CmdDescHost, &CmdDescMapping);\r | |
1270 | if (EFI_ERROR (Status)) {\r | |
1271 | return Status;\r | |
1272 | }\r | |
1273 | \r | |
1274 | //\r | |
1275 | // Check the transfer request result.\r | |
1276 | //\r | |
1277 | UfsHc = Private->UfsHostController;\r | |
1278 | NopInUpiu = (UTP_NOP_IN_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32));\r | |
1279 | ASSERT (NopInUpiu != NULL);\r | |
1280 | CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);\r | |
1281 | \r | |
1282 | //\r | |
1283 | // Start to execute the transfer request.\r | |
1284 | //\r | |
1285 | UfsStartExecCmd (Private, Slot);\r | |
1286 | \r | |
1287 | //\r | |
1288 | // Wait for the completion of the transfer request.\r | |
d1102dba | 1289 | //\r |
13fca387 | 1290 | Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << Slot, 0, UFS_TIMEOUT);\r |
0591696e FT |
1291 | if (EFI_ERROR (Status)) {\r |
1292 | goto Exit;\r | |
1293 | }\r | |
1294 | \r | |
1295 | if (NopInUpiu->Resp != 0) {\r | |
1296 | Status = EFI_DEVICE_ERROR;\r | |
1297 | } else {\r | |
1298 | Status = EFI_SUCCESS;\r | |
1299 | }\r | |
1300 | \r | |
1301 | Exit:\r | |
1302 | UfsHc->Flush (UfsHc);\r | |
1303 | \r | |
1304 | UfsStopExecCmd (Private, Slot);\r | |
1305 | \r | |
1306 | if (CmdDescMapping != NULL) {\r | |
1307 | UfsHc->Unmap (UfsHc, CmdDescMapping);\r | |
1308 | }\r | |
1309 | if (CmdDescHost != NULL) {\r | |
1310 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost);\r | |
1311 | }\r | |
1312 | \r | |
1313 | return Status;\r | |
1314 | }\r | |
1315 | \r | |
a37e18f6 AM |
1316 | /**\r |
1317 | Cleanup data buffers after data transfer. This function\r | |
1318 | also takes care to copy all data to user memory pool for\r | |
1319 | unaligned data transfers.\r | |
1320 | \r | |
1321 | @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA\r | |
1322 | @param[in] TransReq Pointer to the transfer request\r | |
1323 | **/\r | |
1324 | VOID\r | |
1325 | UfsReconcileDataTransferBuffer (\r | |
1326 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1327 | IN UFS_PASS_THRU_TRANS_REQ *TransReq\r | |
1328 | )\r | |
1329 | {\r | |
1330 | if (TransReq->DataBufMapping != NULL) {\r | |
1331 | Private->UfsHostController->Unmap (\r | |
1332 | Private->UfsHostController,\r | |
1333 | TransReq->DataBufMapping\r | |
1334 | );\r | |
1335 | }\r | |
1336 | \r | |
1337 | //\r | |
1338 | // Check if unaligned transfer was performed. If it was and we read\r | |
1339 | // data from device copy memory to user data buffers before cleanup.\r | |
1340 | // The assumption is if auxiliary aligned data buffer is not NULL then\r | |
1341 | // unaligned transfer has been performed.\r | |
1342 | //\r | |
1343 | if (TransReq->AlignedDataBuf != NULL) {\r | |
1344 | if (TransReq->Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
1345 | CopyMem (TransReq->Packet->InDataBuffer, TransReq->AlignedDataBuf, TransReq->Packet->InTransferLength);\r | |
1346 | }\r | |
1347 | //\r | |
1348 | // Wipe out the transfer buffer in case it contains sensitive data.\r | |
1349 | //\r | |
1350 | ZeroMem (TransReq->AlignedDataBuf, TransReq->AlignedDataBufSize);\r | |
1351 | FreeAlignedPages (TransReq->AlignedDataBuf, EFI_SIZE_TO_PAGES (TransReq->AlignedDataBufSize));\r | |
1352 | TransReq->AlignedDataBuf = NULL;\r | |
1353 | }\r | |
1354 | }\r | |
1355 | \r | |
1356 | /**\r | |
1357 | Prepare data buffer for transfer.\r | |
1358 | \r | |
1359 | @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA\r | |
1360 | @param[in, out] TransReq Pointer to the transfer request\r | |
1361 | \r | |
1362 | @retval EFI_DEVICE_ERROR Failed to prepare buffer for transfer\r | |
1363 | @retval EFI_SUCCESS Buffer ready for transfer\r | |
1364 | **/\r | |
1365 | EFI_STATUS\r | |
1366 | UfsPrepareDataTransferBuffer (\r | |
1367 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1368 | IN OUT UFS_PASS_THRU_TRANS_REQ *TransReq\r | |
1369 | )\r | |
1370 | {\r | |
1371 | EFI_STATUS Status;\r | |
1372 | VOID *DataBuf;\r | |
1373 | UINT32 DataLen;\r | |
1374 | UINTN MapLength;\r | |
1375 | EFI_PHYSICAL_ADDRESS DataBufPhyAddr;\r | |
1376 | EDKII_UFS_HOST_CONTROLLER_OPERATION Flag;\r | |
1377 | UTP_TR_PRD *PrdtBase;\r | |
1378 | \r | |
1379 | DataBufPhyAddr = 0;\r | |
1380 | DataBuf = NULL;\r | |
1381 | \r | |
1382 | //\r | |
1383 | // For unaligned data transfers we allocate auxiliary DWORD aligned memory pool.\r | |
1384 | // When command is finished auxiliary memory pool is copied into actual user memory.\r | |
1385 | // This is requiered to assure data transfer safety(DWORD alignment required by UFS spec.)\r | |
1386 | //\r | |
1387 | if (TransReq->Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
1388 | if (((UINTN)TransReq->Packet->InDataBuffer % 4 != 0) || (TransReq->Packet->InTransferLength % 4 != 0)) {\r | |
1389 | DataLen = TransReq->Packet->InTransferLength + (4 - (TransReq->Packet->InTransferLength % 4));\r | |
1390 | DataBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (DataLen), 4);\r | |
1391 | if (DataBuf == NULL) {\r | |
1392 | return EFI_DEVICE_ERROR;\r | |
1393 | }\r | |
1394 | ZeroMem (DataBuf, DataLen);\r | |
1395 | TransReq->AlignedDataBuf = DataBuf;\r | |
1396 | TransReq->AlignedDataBufSize = DataLen;\r | |
1397 | } else {\r | |
1398 | DataLen = TransReq->Packet->InTransferLength;\r | |
1399 | DataBuf = TransReq->Packet->InDataBuffer;\r | |
1400 | }\r | |
1401 | Flag = EdkiiUfsHcOperationBusMasterWrite;\r | |
1402 | } else {\r | |
1403 | if (((UINTN)TransReq->Packet->OutDataBuffer % 4 != 0) || (TransReq->Packet->OutTransferLength % 4 != 0)) {\r | |
1404 | DataLen = TransReq->Packet->OutTransferLength + (4 - (TransReq->Packet->OutTransferLength % 4));\r | |
1405 | DataBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (DataLen), 4);\r | |
1406 | if (DataBuf == NULL) {\r | |
1407 | return EFI_DEVICE_ERROR;\r | |
1408 | }\r | |
1409 | CopyMem (DataBuf, TransReq->Packet->OutDataBuffer, TransReq->Packet->OutTransferLength);\r | |
1410 | TransReq->AlignedDataBuf = DataBuf;\r | |
1411 | TransReq->AlignedDataBufSize = DataLen;\r | |
1412 | } else {\r | |
1413 | DataLen = TransReq->Packet->OutTransferLength;\r | |
1414 | DataBuf = TransReq->Packet->OutDataBuffer;\r | |
1415 | }\r | |
1416 | Flag = EdkiiUfsHcOperationBusMasterRead;\r | |
1417 | }\r | |
1418 | \r | |
1419 | if (DataLen != 0) {\r | |
1420 | MapLength = DataLen;\r | |
1421 | Status = Private->UfsHostController->Map (\r | |
1422 | Private->UfsHostController,\r | |
1423 | Flag,\r | |
1424 | DataBuf,\r | |
1425 | &MapLength,\r | |
1426 | &DataBufPhyAddr,\r | |
1427 | &TransReq->DataBufMapping\r | |
1428 | );\r | |
1429 | \r | |
1430 | if (EFI_ERROR (Status) || (DataLen != MapLength)) {\r | |
1431 | if (TransReq->AlignedDataBuf != NULL) {\r | |
1432 | //\r | |
1433 | // Wipe out the transfer buffer in case it contains sensitive data.\r | |
1434 | //\r | |
1435 | ZeroMem (TransReq->AlignedDataBuf, TransReq->AlignedDataBufSize);\r | |
1436 | FreeAlignedPages (TransReq->AlignedDataBuf, EFI_SIZE_TO_PAGES (TransReq->AlignedDataBufSize));\r | |
1437 | TransReq->AlignedDataBuf = NULL;\r | |
1438 | }\r | |
1439 | return EFI_DEVICE_ERROR;\r | |
1440 | }\r | |
1441 | }\r | |
1442 | \r | |
1443 | //\r | |
1444 | // Fill PRDT table of Command UPIU for executed SCSI cmd.\r | |
1445 | //\r | |
1446 | PrdtBase = (UTP_TR_PRD*)((UINT8*)TransReq->CmdDescHost + ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)));\r | |
1447 | ASSERT (PrdtBase != NULL);\r | |
1448 | UfsInitUtpPrdt (PrdtBase, (VOID*)(UINTN)DataBufPhyAddr, DataLen);\r | |
1449 | \r | |
1450 | return EFI_SUCCESS;\r | |
1451 | }\r | |
1452 | \r | |
0591696e FT |
1453 | /**\r |
1454 | Sends a UFS-supported SCSI Request Packet to a UFS device that is attached to the UFS host controller.\r | |
1455 | \r | |
1456 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1457 | @param[in] Lun The LUN of the UFS device to send the SCSI Request Packet.\r | |
1458 | @param[in, out] Packet A pointer to the SCSI Request Packet to send to a specified Lun of the\r | |
1459 | UFS device.\r | |
0350b57c HW |
1460 | @param[in] Event If nonblocking I/O is not supported then Event is ignored, and blocking\r |
1461 | I/O is performed. If Event is NULL, then blocking I/O is performed. If\r | |
1462 | Event is not NULL and non blocking I/O is supported, then\r | |
1463 | nonblocking I/O is performed, and Event will be signaled when the\r | |
1464 | SCSI Request Packet completes.\r | |
0591696e FT |
1465 | \r |
1466 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional\r | |
1467 | commands, InTransferLength bytes were transferred from\r | |
1468 | InDataBuffer. For write and bi-directional commands,\r | |
1469 | OutTransferLength bytes were transferred by\r | |
1470 | OutDataBuffer.\r | |
1471 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request\r | |
1472 | Packet.\r | |
1473 | @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available.\r | |
1474 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r | |
1475 | \r | |
1476 | **/\r | |
1477 | EFI_STATUS\r | |
1478 | UfsExecScsiCmds (\r | |
1479 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1480 | IN UINT8 Lun,\r | |
0350b57c HW |
1481 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r |
1482 | IN EFI_EVENT Event OPTIONAL\r | |
0591696e FT |
1483 | )\r |
1484 | {\r | |
1485 | EFI_STATUS Status;\r | |
0591696e FT |
1486 | UTP_RESPONSE_UPIU *Response;\r |
1487 | UINT16 SenseDataLen;\r | |
1488 | UINT32 ResTranCount;\r | |
0350b57c HW |
1489 | EFI_TPL OldTpl;\r |
1490 | UFS_PASS_THRU_TRANS_REQ *TransReq;\r | |
a37e18f6 | 1491 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r |
0591696e | 1492 | \r |
a37e18f6 | 1493 | TransReq = AllocateZeroPool (sizeof (UFS_PASS_THRU_TRANS_REQ));\r |
0350b57c HW |
1494 | if (TransReq == NULL) {\r |
1495 | return EFI_OUT_OF_RESOURCES;\r | |
1496 | }\r | |
1497 | \r | |
1498 | TransReq->Signature = UFS_PASS_THRU_TRANS_REQ_SIG;\r | |
1499 | TransReq->TimeoutRemain = Packet->Timeout;\r | |
a37e18f6 AM |
1500 | TransReq->Packet = Packet;\r |
1501 | \r | |
0591696e FT |
1502 | UfsHc = Private->UfsHostController;\r |
1503 | //\r | |
1504 | // Find out which slot of transfer request list is available.\r | |
1505 | //\r | |
0350b57c | 1506 | Status = UfsFindAvailableSlotInTrl (Private, &TransReq->Slot);\r |
0591696e FT |
1507 | if (EFI_ERROR (Status)) {\r |
1508 | return Status;\r | |
1509 | }\r | |
1510 | \r | |
0350b57c | 1511 | TransReq->Trd = ((UTP_TRD*)Private->UtpTrlBase) + TransReq->Slot;\r |
0591696e FT |
1512 | \r |
1513 | //\r | |
1514 | // Fill transfer request descriptor to this slot.\r | |
1515 | //\r | |
0350b57c HW |
1516 | Status = UfsCreateScsiCommandDesc (\r |
1517 | Private,\r | |
1518 | Lun,\r | |
1519 | Packet,\r | |
1520 | TransReq->Trd,\r | |
1521 | &TransReq->CmdDescHost,\r | |
1522 | &TransReq->CmdDescMapping\r | |
1523 | );\r | |
0591696e FT |
1524 | if (EFI_ERROR (Status)) {\r |
1525 | return Status;\r | |
1526 | }\r | |
1527 | \r | |
0350b57c | 1528 | TransReq->CmdDescSize = TransReq->Trd->PrdtO * sizeof (UINT32) + TransReq->Trd->PrdtL * sizeof (UTP_TR_PRD);\r |
0591696e | 1529 | \r |
a37e18f6 AM |
1530 | Status = UfsPrepareDataTransferBuffer (Private, TransReq);\r |
1531 | if (EFI_ERROR (Status)) {\r | |
1532 | goto Exit1;\r | |
0591696e | 1533 | }\r |
0591696e | 1534 | \r |
0350b57c HW |
1535 | //\r |
1536 | // Insert the async SCSI cmd to the Async I/O list\r | |
1537 | //\r | |
1538 | if (Event != NULL) {\r | |
7e4632a3 | 1539 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
0350b57c HW |
1540 | TransReq->CallerEvent = Event;\r |
1541 | InsertTailList (&Private->Queue, &TransReq->TransferList);\r | |
1542 | gBS->RestoreTPL (OldTpl);\r | |
1543 | }\r | |
1544 | \r | |
0591696e FT |
1545 | //\r |
1546 | // Start to execute the transfer request.\r | |
1547 | //\r | |
0350b57c HW |
1548 | UfsStartExecCmd (Private, TransReq->Slot);\r |
1549 | \r | |
1550 | //\r | |
1551 | // Immediately return for async I/O.\r | |
1552 | //\r | |
1553 | if (Event != NULL) {\r | |
1554 | return EFI_SUCCESS;\r | |
1555 | }\r | |
0591696e FT |
1556 | \r |
1557 | //\r | |
1558 | // Wait for the completion of the transfer request.\r | |
d1102dba | 1559 | //\r |
13fca387 | 1560 | Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << TransReq->Slot, 0, Packet->Timeout);\r |
0591696e FT |
1561 | if (EFI_ERROR (Status)) {\r |
1562 | goto Exit;\r | |
1563 | }\r | |
1564 | \r | |
1565 | //\r | |
1566 | // Get sense data if exists\r | |
1567 | //\r | |
0350b57c | 1568 | Response = (UTP_RESPONSE_UPIU*)((UINT8*)TransReq->CmdDescHost + TransReq->Trd->RuO * sizeof (UINT32));\r |
0591696e FT |
1569 | ASSERT (Response != NULL);\r |
1570 | SenseDataLen = Response->SenseDataLen;\r | |
1571 | SwapLittleEndianToBigEndian ((UINT8*)&SenseDataLen, sizeof (UINT16));\r | |
d1102dba | 1572 | \r |
0591696e | 1573 | if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) {\r |
8894c90d HW |
1574 | //\r |
1575 | // Make sure the hardware device does not return more data than expected.\r | |
1576 | //\r | |
1577 | if (SenseDataLen <= Packet->SenseDataLength) {\r | |
1578 | CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen);\r | |
1579 | Packet->SenseDataLength = (UINT8)SenseDataLen;\r | |
1580 | } else {\r | |
1581 | Packet->SenseDataLength = 0;\r | |
1582 | }\r | |
0591696e FT |
1583 | }\r |
1584 | \r | |
1585 | //\r | |
1586 | // Check the transfer request result.\r | |
1587 | //\r | |
1588 | Packet->TargetStatus = Response->Status;\r | |
1589 | if (Response->Response != 0) {\r | |
edd94e74 | 1590 | DEBUG ((DEBUG_ERROR, "UfsExecScsiCmds() fails with Target Failure\n"));\r |
0591696e FT |
1591 | Status = EFI_DEVICE_ERROR;\r |
1592 | goto Exit;\r | |
1593 | }\r | |
1594 | \r | |
0350b57c | 1595 | if (TransReq->Trd->Ocs == 0) {\r |
0591696e FT |
1596 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r |
1597 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1598 | ResTranCount = Response->ResTranCount;\r | |
1599 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
1600 | Packet->InTransferLength -= ResTranCount;\r | |
1601 | }\r | |
1602 | } else {\r | |
1603 | if ((Response->Flags & BIT5) == BIT5) {\r | |
1604 | ResTranCount = Response->ResTranCount;\r | |
1605 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
1606 | Packet->OutTransferLength -= ResTranCount;\r | |
1607 | }\r | |
1608 | }\r | |
1609 | } else {\r | |
1610 | Status = EFI_DEVICE_ERROR;\r | |
1611 | }\r | |
1612 | \r | |
1613 | Exit:\r | |
1614 | UfsHc->Flush (UfsHc);\r | |
1615 | \r | |
0350b57c | 1616 | UfsStopExecCmd (Private, TransReq->Slot);\r |
0591696e | 1617 | \r |
a37e18f6 | 1618 | UfsReconcileDataTransferBuffer (Private, TransReq);\r |
0591696e FT |
1619 | \r |
1620 | Exit1:\r | |
0350b57c HW |
1621 | if (TransReq->CmdDescMapping != NULL) {\r |
1622 | UfsHc->Unmap (UfsHc, TransReq->CmdDescMapping);\r | |
0591696e | 1623 | }\r |
0350b57c HW |
1624 | if (TransReq->CmdDescHost != NULL) {\r |
1625 | UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (TransReq->CmdDescSize), TransReq->CmdDescHost);\r | |
1626 | }\r | |
1627 | if (TransReq != NULL) {\r | |
1628 | FreePool (TransReq);\r | |
0591696e FT |
1629 | }\r |
1630 | return Status;\r | |
1631 | }\r | |
1632 | \r | |
0591696e | 1633 | /**\r |
f426d874 | 1634 | Send UIC command.\r |
0591696e | 1635 | \r |
90952ad7 AM |
1636 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r |
1637 | @param[in, out] UicCommand UIC command descriptor. On exit contains UIC command results.\r | |
0591696e FT |
1638 | \r |
1639 | @return EFI_SUCCESS Successfully execute this UIC command and detect attached UFS device.\r | |
1640 | @return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device.\r | |
0591696e FT |
1641 | \r |
1642 | **/\r | |
1643 | EFI_STATUS\r | |
1644 | UfsExecUicCommands (\r | |
1645 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
90952ad7 | 1646 | IN OUT EDKII_UIC_COMMAND *UicCommand\r |
0591696e FT |
1647 | )\r |
1648 | {\r | |
1649 | EFI_STATUS Status;\r | |
0591696e | 1650 | UINT32 Data;\r |
0591696e | 1651 | \r |
095f0779 FT |
1652 | Status = UfsMmioRead32 (Private, UFS_HC_IS_OFFSET, &Data);\r |
1653 | if (EFI_ERROR (Status)) {\r | |
1654 | return Status;\r | |
1655 | }\r | |
1656 | \r | |
0591696e FT |
1657 | if ((Data & UFS_HC_IS_UCCS) == UFS_HC_IS_UCCS) {\r |
1658 | //\r | |
1659 | // Clear IS.BIT10 UIC Command Completion Status (UCCS) at first.\r | |
1660 | //\r | |
095f0779 FT |
1661 | Status = UfsMmioWrite32 (Private, UFS_HC_IS_OFFSET, Data);\r |
1662 | if (EFI_ERROR (Status)) {\r | |
1663 | return Status;\r | |
1664 | }\r | |
0591696e FT |
1665 | }\r |
1666 | \r | |
1667 | //\r | |
1668 | // When programming UIC command registers, host software shall set the register UICCMD\r | |
1669 | // only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3)\r | |
1670 | // are set.\r | |
1671 | //\r | |
90952ad7 | 1672 | Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, UicCommand->Arg1);\r |
095f0779 FT |
1673 | if (EFI_ERROR (Status)) {\r |
1674 | return Status;\r | |
1675 | }\r | |
0591696e | 1676 | \r |
90952ad7 | 1677 | Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, UicCommand->Arg2);\r |
095f0779 FT |
1678 | if (EFI_ERROR (Status)) {\r |
1679 | return Status;\r | |
1680 | }\r | |
0591696e | 1681 | \r |
90952ad7 | 1682 | Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, UicCommand->Arg3);\r |
095f0779 FT |
1683 | if (EFI_ERROR (Status)) {\r |
1684 | return Status;\r | |
1685 | }\r | |
0591696e FT |
1686 | \r |
1687 | //\r | |
1688 | // Host software shall only set the UICCMD if HCS.UCRDY is set to 1.\r | |
1689 | //\r | |
095f0779 | 1690 | Status = UfsWaitMemSet (Private, UFS_HC_STATUS_OFFSET, UFS_HC_HCS_UCRDY, UFS_HC_HCS_UCRDY, UFS_TIMEOUT);\r |
0591696e FT |
1691 | if (EFI_ERROR (Status)) {\r |
1692 | return Status;\r | |
1693 | }\r | |
1694 | \r | |
90952ad7 | 1695 | Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, UicCommand->Opcode);\r |
095f0779 FT |
1696 | if (EFI_ERROR (Status)) {\r |
1697 | return Status;\r | |
1698 | }\r | |
0591696e FT |
1699 | \r |
1700 | //\r | |
1701 | // UFS 2.0 spec section 5.3.1 Offset:0x20 IS.Bit10 UIC Command Completion Status (UCCS)\r | |
d1102dba | 1702 | // This bit is set to '1' by the host controller upon completion of a UIC command.\r |
0591696e | 1703 | //\r |
095f0779 | 1704 | Status = UfsWaitMemSet (Private, UFS_HC_IS_OFFSET, UFS_HC_IS_UCCS, UFS_HC_IS_UCCS, UFS_TIMEOUT);\r |
0591696e FT |
1705 | if (EFI_ERROR (Status)) {\r |
1706 | return Status;\r | |
1707 | }\r | |
1708 | \r | |
90952ad7 AM |
1709 | if (UicCommand->Opcode != UfsUicDmeReset) {\r |
1710 | Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &UicCommand->Arg2);\r | |
095f0779 FT |
1711 | if (EFI_ERROR (Status)) {\r |
1712 | return Status;\r | |
1713 | }\r | |
90952ad7 AM |
1714 | Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG3_OFFSET, &UicCommand->Arg3);\r |
1715 | if (EFI_ERROR (Status)) {\r | |
1716 | return Status;\r | |
1717 | }\r | |
1718 | if ((UicCommand->Arg2 & 0xFF) != 0) {\r | |
0591696e | 1719 | DEBUG_CODE_BEGIN();\r |
90952ad7 | 1720 | DumpUicCmdExecResult ((UINT8)UicCommand->Opcode, (UINT8)(UicCommand->Arg2 & 0xFF));\r |
0591696e FT |
1721 | DEBUG_CODE_END();\r |
1722 | return EFI_DEVICE_ERROR;\r | |
1723 | }\r | |
1724 | }\r | |
1725 | \r | |
0591696e FT |
1726 | return EFI_SUCCESS;\r |
1727 | }\r | |
1728 | \r | |
1729 | /**\r | |
1730 | Allocate common buffer for host and UFS bus master access simultaneously.\r | |
1731 | \r | |
1732 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1733 | @param[in] Size The length of buffer to be allocated.\r | |
1734 | @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range.\r | |
1735 | @param[out] CmdDescPhyAddr The resulting map address for the UFS bus master to use to access the hosts CmdDescHost.\r | |
1736 | @param[out] CmdDescMapping A resulting value to pass to Unmap().\r | |
1737 | \r | |
1738 | @retval EFI_SUCCESS The common buffer was allocated successfully.\r | |
1739 | @retval EFI_DEVICE_ERROR The allocation fails.\r | |
1740 | @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient.\r | |
1741 | \r | |
1742 | **/\r | |
1743 | EFI_STATUS\r | |
1744 | UfsAllocateAlignCommonBuffer (\r | |
1745 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
1746 | IN UINTN Size,\r | |
1747 | OUT VOID **CmdDescHost,\r | |
1748 | OUT EFI_PHYSICAL_ADDRESS *CmdDescPhyAddr,\r | |
1749 | OUT VOID **CmdDescMapping\r | |
1750 | )\r | |
1751 | {\r | |
1752 | EFI_STATUS Status;\r | |
1753 | UINTN Bytes;\r | |
1754 | BOOLEAN Is32BitAddr;\r | |
1755 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
1756 | \r | |
1757 | if ((Private->Capabilities & UFS_HC_CAP_64ADDR) == UFS_HC_CAP_64ADDR) {\r | |
0591696e | 1758 | Is32BitAddr = FALSE;\r |
a2e3feb6 HZ |
1759 | } else {\r |
1760 | Is32BitAddr = TRUE;\r | |
0591696e FT |
1761 | }\r |
1762 | \r | |
1763 | UfsHc = Private->UfsHostController;\r | |
1764 | Status = UfsHc->AllocateBuffer (\r | |
1765 | UfsHc,\r | |
1766 | AllocateAnyPages,\r | |
1767 | EfiBootServicesData,\r | |
1768 | EFI_SIZE_TO_PAGES (Size),\r | |
1769 | CmdDescHost,\r | |
1770 | 0\r | |
1771 | );\r | |
1772 | if (EFI_ERROR (Status)) {\r | |
1773 | *CmdDescMapping = NULL;\r | |
1774 | *CmdDescHost = NULL;\r | |
1775 | *CmdDescPhyAddr = 0;\r | |
1776 | return EFI_OUT_OF_RESOURCES;\r | |
1777 | }\r | |
1778 | \r | |
1779 | Bytes = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size));\r | |
1780 | Status = UfsHc->Map (\r | |
1781 | UfsHc,\r | |
1782 | EdkiiUfsHcOperationBusMasterCommonBuffer,\r | |
1783 | *CmdDescHost,\r | |
1784 | &Bytes,\r | |
1785 | CmdDescPhyAddr,\r | |
1786 | CmdDescMapping\r | |
1787 | );\r | |
1788 | \r | |
1789 | if (EFI_ERROR (Status) || (Bytes != EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)))) {\r | |
1790 | UfsHc->FreeBuffer (\r | |
1791 | UfsHc,\r | |
1792 | EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)),\r | |
1793 | *CmdDescHost\r | |
1794 | );\r | |
1795 | *CmdDescHost = NULL;\r | |
1796 | return EFI_OUT_OF_RESOURCES;\r | |
1797 | }\r | |
1798 | \r | |
1799 | if (Is32BitAddr && ((*CmdDescPhyAddr) > 0x100000000ULL)) {\r | |
1800 | //\r | |
1801 | // The UFS host controller doesn't support 64bit addressing, so should not get a >4G UFS bus master address.\r | |
1802 | //\r | |
1803 | UfsHc->Unmap (\r | |
1804 | UfsHc,\r | |
1805 | *CmdDescMapping\r | |
1806 | );\r | |
1807 | UfsHc->FreeBuffer (\r | |
1808 | UfsHc,\r | |
1809 | EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)),\r | |
1810 | *CmdDescHost\r | |
1811 | );\r | |
1812 | *CmdDescMapping = NULL;\r | |
1813 | *CmdDescHost = NULL;\r | |
1814 | return EFI_DEVICE_ERROR;\r | |
1815 | }\r | |
1816 | \r | |
1817 | ZeroMem (*CmdDescHost, EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)));\r | |
1818 | return EFI_SUCCESS;\r | |
1819 | }\r | |
1820 | \r | |
1821 | /**\r | |
1822 | Enable the UFS host controller for accessing.\r | |
1823 | \r | |
1824 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1825 | \r | |
1826 | @retval EFI_SUCCESS The UFS host controller enabling was executed successfully.\r | |
1827 | @retval EFI_DEVICE_ERROR A device error occurred while enabling the UFS host controller.\r | |
1828 | \r | |
1829 | **/\r | |
1830 | EFI_STATUS\r | |
1831 | UfsEnableHostController (\r | |
1832 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1833 | )\r | |
1834 | {\r | |
1835 | EFI_STATUS Status;\r | |
0591696e FT |
1836 | UINT32 Data;\r |
1837 | \r | |
1838 | //\r | |
1839 | // UFS 2.0 spec section 7.1.1 - Host Controller Initialization\r | |
1840 | //\r | |
1841 | // Reinitialize the UFS host controller if HCE bit of HC register is set.\r | |
1842 | //\r | |
095f0779 FT |
1843 | Status = UfsMmioRead32 (Private, UFS_HC_ENABLE_OFFSET, &Data);\r |
1844 | if (EFI_ERROR (Status)) {\r | |
1845 | return Status;\r | |
1846 | }\r | |
1847 | \r | |
0591696e FT |
1848 | if ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN) {\r |
1849 | //\r | |
1850 | // Write a 0 to the HCE register at first to disable the host controller.\r | |
1851 | //\r | |
095f0779 FT |
1852 | Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, 0);\r |
1853 | if (EFI_ERROR (Status)) {\r | |
1854 | return Status;\r | |
1855 | }\r | |
0591696e FT |
1856 | //\r |
1857 | // Wait until HCE is read as '0' before continuing.\r | |
1858 | //\r | |
095f0779 | 1859 | Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r |
0591696e FT |
1860 | if (EFI_ERROR (Status)) {\r |
1861 | return EFI_DEVICE_ERROR;\r | |
1862 | }\r | |
1863 | }\r | |
1864 | \r | |
1865 | //\r | |
1866 | // Write a 1 to the HCE register to enable the UFS host controller.\r | |
1867 | //\r | |
095f0779 FT |
1868 | Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN);\r |
1869 | if (EFI_ERROR (Status)) {\r | |
1870 | return Status;\r | |
1871 | }\r | |
1872 | \r | |
0591696e FT |
1873 | //\r |
1874 | // Wait until HCE is read as '1' before continuing.\r | |
1875 | //\r | |
095f0779 | 1876 | Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, UFS_HC_HCE_EN, UFS_TIMEOUT);\r |
0591696e FT |
1877 | if (EFI_ERROR (Status)) {\r |
1878 | return EFI_DEVICE_ERROR;\r | |
1879 | }\r | |
1880 | \r | |
1881 | return EFI_SUCCESS;\r | |
1882 | }\r | |
1883 | \r | |
1884 | /**\r | |
1885 | Detect if a UFS device attached.\r | |
1886 | \r | |
1887 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1888 | \r | |
1889 | @retval EFI_SUCCESS The UFS device detection was executed successfully.\r | |
1890 | @retval EFI_NOT_FOUND Not found a UFS device attached.\r | |
1891 | @retval EFI_DEVICE_ERROR A device error occurred while detecting the UFS device.\r | |
1892 | \r | |
1893 | **/\r | |
1894 | EFI_STATUS\r | |
1895 | UfsDeviceDetection (\r | |
1896 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1897 | )\r | |
1898 | {\r | |
90952ad7 AM |
1899 | UINTN Retry;\r |
1900 | EFI_STATUS Status;\r | |
1901 | UINT32 Data;\r | |
1902 | EDKII_UIC_COMMAND LinkStartupCommand;\r | |
0591696e FT |
1903 | \r |
1904 | //\r | |
1905 | // Start UFS device detection.\r | |
1906 | // Try up to 3 times for establishing data link with device.\r | |
1907 | //\r | |
1908 | for (Retry = 0; Retry < 3; Retry++) {\r | |
90952ad7 AM |
1909 | LinkStartupCommand.Opcode = UfsUicDmeLinkStartup;\r |
1910 | LinkStartupCommand.Arg1 = 0;\r | |
1911 | LinkStartupCommand.Arg2 = 0;\r | |
1912 | LinkStartupCommand.Arg3 = 0;\r | |
1913 | Status = UfsExecUicCommands (Private, &LinkStartupCommand);\r | |
f426d874 AM |
1914 | if (EFI_ERROR (Status)) {\r |
1915 | return EFI_DEVICE_ERROR;\r | |
0591696e FT |
1916 | }\r |
1917 | \r | |
f426d874 AM |
1918 | Status = UfsMmioRead32 (Private, UFS_HC_STATUS_OFFSET, &Data);\r |
1919 | if (EFI_ERROR (Status)) {\r | |
1920 | return EFI_DEVICE_ERROR;\r | |
0591696e FT |
1921 | }\r |
1922 | \r | |
f426d874 AM |
1923 | if ((Data & UFS_HC_HCS_DP) == 0) {\r |
1924 | Status = UfsWaitMemSet (Private, UFS_HC_IS_OFFSET, UFS_HC_IS_ULSS, UFS_HC_IS_ULSS, UFS_TIMEOUT);\r | |
1925 | if (EFI_ERROR (Status)) {\r | |
1926 | return EFI_DEVICE_ERROR;\r | |
1927 | }\r | |
1928 | } else {\r | |
1929 | return EFI_SUCCESS;\r | |
1930 | }\r | |
0591696e FT |
1931 | }\r |
1932 | \r | |
f426d874 | 1933 | return EFI_NOT_FOUND;\r |
0591696e FT |
1934 | }\r |
1935 | \r | |
1936 | /**\r | |
1937 | Initialize UFS task management request list related h/w context.\r | |
1938 | \r | |
1939 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
1940 | \r | |
1941 | @retval EFI_SUCCESS The UFS task management list was initialzed successfully.\r | |
1942 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
1943 | \r | |
1944 | **/\r | |
1945 | EFI_STATUS\r | |
1946 | UfsInitTaskManagementRequestList (\r | |
1947 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
1948 | )\r | |
1949 | {\r | |
0591696e FT |
1950 | UINT32 Data;\r |
1951 | UINT8 Nutmrs;\r | |
1952 | VOID *CmdDescHost;\r | |
1953 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
1954 | VOID *CmdDescMapping;\r | |
1955 | EFI_STATUS Status;\r | |
d1102dba | 1956 | \r |
0591696e FT |
1957 | //\r |
1958 | // Initial h/w and s/w context for future operations.\r | |
1959 | //\r | |
1960 | CmdDescHost = NULL;\r | |
1961 | CmdDescMapping = NULL;\r | |
1962 | CmdDescPhyAddr = 0;\r | |
095f0779 FT |
1963 | \r |
1964 | Status = UfsMmioRead32 (Private, UFS_HC_CAP_OFFSET, &Data);\r | |
1965 | if (EFI_ERROR (Status)) {\r | |
1966 | return Status;\r | |
1967 | }\r | |
1968 | \r | |
0591696e FT |
1969 | Private->Capabilities = Data;\r |
1970 | \r | |
1971 | //\r | |
1972 | // Allocate and initialize UTP Task Management Request List.\r | |
1973 | //\r | |
1974 | Nutmrs = (UINT8) (RShiftU64 ((Private->Capabilities & UFS_HC_CAP_NUTMRS), 16) + 1);\r | |
1975 | Status = UfsAllocateAlignCommonBuffer (Private, Nutmrs * sizeof (UTP_TMRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping);\r | |
1976 | if (EFI_ERROR (Status)) {\r | |
1977 | return Status;\r | |
1978 | }\r | |
1979 | \r | |
1980 | //\r | |
1981 | // Program the UTP Task Management Request List Base Address and UTP Task Management\r | |
1982 | // Request List Base Address with a 64-bit address allocated at step 6.\r | |
1983 | //\r | |
095f0779 FT |
1984 | Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLBA_OFFSET, (UINT32)(UINTN)CmdDescPhyAddr);\r |
1985 | if (EFI_ERROR (Status)) {\r | |
1986 | return Status;\r | |
1987 | }\r | |
1988 | \r | |
1989 | Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLBAU_OFFSET, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r | |
1990 | if (EFI_ERROR (Status)) {\r | |
1991 | return Status;\r | |
1992 | }\r | |
0591696e FT |
1993 | Private->UtpTmrlBase = CmdDescHost;\r |
1994 | Private->Nutmrs = Nutmrs;\r | |
1995 | Private->TmrlMapping = CmdDescMapping;\r | |
1996 | \r | |
1997 | //\r | |
1998 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
1999 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
2000 | //\r | |
095f0779 FT |
2001 | Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLRSR_OFFSET, UFS_HC_UTMRLRSR);\r |
2002 | if (EFI_ERROR (Status)) {\r | |
2003 | return Status;\r | |
2004 | }\r | |
0591696e FT |
2005 | \r |
2006 | return EFI_SUCCESS;\r | |
2007 | }\r | |
2008 | \r | |
2009 | /**\r | |
2010 | Initialize UFS transfer request list related h/w context.\r | |
2011 | \r | |
2012 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
2013 | \r | |
2014 | @retval EFI_SUCCESS The UFS transfer list was initialzed successfully.\r | |
2015 | @retval EFI_DEVICE_ERROR The initialization fails.\r | |
2016 | \r | |
2017 | **/\r | |
2018 | EFI_STATUS\r | |
2019 | UfsInitTransferRequestList (\r | |
2020 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
2021 | )\r | |
2022 | {\r | |
0591696e FT |
2023 | UINT32 Data;\r |
2024 | UINT8 Nutrs;\r | |
2025 | VOID *CmdDescHost;\r | |
2026 | EFI_PHYSICAL_ADDRESS CmdDescPhyAddr;\r | |
d1102dba | 2027 | VOID *CmdDescMapping;\r |
0591696e FT |
2028 | EFI_STATUS Status;\r |
2029 | \r | |
2030 | //\r | |
2031 | // Initial h/w and s/w context for future operations.\r | |
2032 | //\r | |
2033 | CmdDescHost = NULL;\r | |
2034 | CmdDescMapping = NULL;\r | |
2035 | CmdDescPhyAddr = 0;\r | |
095f0779 FT |
2036 | \r |
2037 | Status = UfsMmioRead32 (Private, UFS_HC_CAP_OFFSET, &Data);\r | |
2038 | if (EFI_ERROR (Status)) {\r | |
2039 | return Status;\r | |
2040 | }\r | |
2041 | \r | |
0591696e FT |
2042 | Private->Capabilities = Data;\r |
2043 | \r | |
2044 | //\r | |
2045 | // Allocate and initialize UTP Transfer Request List.\r | |
2046 | //\r | |
2047 | Nutrs = (UINT8)((Private->Capabilities & UFS_HC_CAP_NUTRS) + 1);\r | |
2048 | Status = UfsAllocateAlignCommonBuffer (Private, Nutrs * sizeof (UTP_TRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping);\r | |
2049 | if (EFI_ERROR (Status)) {\r | |
2050 | return Status;\r | |
2051 | }\r | |
2052 | \r | |
2053 | //\r | |
2054 | // Program the UTP Transfer Request List Base Address and UTP Transfer Request List\r | |
2055 | // Base Address with a 64-bit address allocated at step 8.\r | |
2056 | //\r | |
095f0779 FT |
2057 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLBA_OFFSET, (UINT32)(UINTN)CmdDescPhyAddr);\r |
2058 | if (EFI_ERROR (Status)) {\r | |
2059 | return Status;\r | |
2060 | }\r | |
2061 | \r | |
2062 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLBAU_OFFSET, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32));\r | |
2063 | if (EFI_ERROR (Status)) {\r | |
2064 | return Status;\r | |
2065 | }\r | |
2066 | \r | |
0591696e | 2067 | Private->UtpTrlBase = CmdDescHost;\r |
d1102dba | 2068 | Private->Nutrs = Nutrs;\r |
0591696e FT |
2069 | Private->TrlMapping = CmdDescMapping;\r |
2070 | \r | |
2071 | //\r | |
2072 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
2073 | // RunStop Register (UTRLRSR) to '1'.\r | |
2074 | //\r | |
095f0779 FT |
2075 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, UFS_HC_UTRLRSR);\r |
2076 | if (EFI_ERROR (Status)) {\r | |
2077 | return Status;\r | |
2078 | }\r | |
0591696e FT |
2079 | \r |
2080 | return EFI_SUCCESS;\r | |
2081 | }\r | |
2082 | \r | |
2083 | /**\r | |
2084 | Initialize the UFS host controller.\r | |
2085 | \r | |
2086 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
2087 | \r | |
2088 | @retval EFI_SUCCESS The Ufs Host Controller is initialized successfully.\r | |
2089 | @retval Others A device error occurred while initializing the controller.\r | |
2090 | \r | |
2091 | **/\r | |
2092 | EFI_STATUS\r | |
2093 | UfsControllerInit (\r | |
2094 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
2095 | )\r | |
2096 | {\r | |
2097 | EFI_STATUS Status;\r | |
2098 | \r | |
2099 | Status = UfsEnableHostController (Private);\r | |
2100 | if (EFI_ERROR (Status)) {\r | |
edd94e74 | 2101 | DEBUG ((DEBUG_ERROR, "UfsControllerInit: Enable Host Controller Fails, Status = %r\n", Status));\r |
0591696e FT |
2102 | return Status;\r |
2103 | }\r | |
2104 | \r | |
2105 | Status = UfsDeviceDetection (Private);\r | |
2106 | if (EFI_ERROR (Status)) {\r | |
edd94e74 | 2107 | DEBUG ((DEBUG_ERROR, "UfsControllerInit: Device Detection Fails, Status = %r\n", Status));\r |
0591696e FT |
2108 | return Status;\r |
2109 | }\r | |
2110 | \r | |
2111 | Status = UfsInitTaskManagementRequestList (Private);\r | |
2112 | if (EFI_ERROR (Status)) {\r | |
edd94e74 | 2113 | DEBUG ((DEBUG_ERROR, "UfsControllerInit: Task management list initialization Fails, Status = %r\n", Status));\r |
0591696e FT |
2114 | return Status;\r |
2115 | }\r | |
2116 | \r | |
2117 | Status = UfsInitTransferRequestList (Private);\r | |
2118 | if (EFI_ERROR (Status)) {\r | |
edd94e74 | 2119 | DEBUG ((DEBUG_ERROR, "UfsControllerInit: Transfer list initialization Fails, Status = %r\n", Status));\r |
0591696e FT |
2120 | return Status;\r |
2121 | }\r | |
2122 | \r | |
edd94e74 | 2123 | DEBUG ((DEBUG_INFO, "UfsControllerInit Finished\n"));\r |
0591696e FT |
2124 | return EFI_SUCCESS;\r |
2125 | }\r | |
2126 | \r | |
2127 | /**\r | |
2128 | Stop the UFS host controller.\r | |
2129 | \r | |
2130 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure.\r | |
2131 | \r | |
2132 | @retval EFI_SUCCESS The Ufs Host Controller is stopped successfully.\r | |
2133 | @retval Others A device error occurred while stopping the controller.\r | |
2134 | \r | |
2135 | **/\r | |
2136 | EFI_STATUS\r | |
2137 | UfsControllerStop (\r | |
2138 | IN UFS_PASS_THRU_PRIVATE_DATA *Private\r | |
2139 | )\r | |
2140 | {\r | |
2141 | EFI_STATUS Status;\r | |
0591696e FT |
2142 | UINT32 Data;\r |
2143 | \r | |
2144 | //\r | |
2145 | // Enable the UTP Task Management Request List by setting the UTP Task Management\r | |
2146 | // Request List RunStop Register (UTMRLRSR) to '1'.\r | |
2147 | //\r | |
095f0779 FT |
2148 | Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLRSR_OFFSET, 0);\r |
2149 | if (EFI_ERROR (Status)) {\r | |
2150 | return Status;\r | |
2151 | }\r | |
0591696e FT |
2152 | \r |
2153 | //\r | |
2154 | // Enable the UTP Transfer Request List by setting the UTP Transfer Request List\r | |
2155 | // RunStop Register (UTRLRSR) to '1'.\r | |
2156 | //\r | |
095f0779 FT |
2157 | Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, 0);\r |
2158 | if (EFI_ERROR (Status)) {\r | |
2159 | return Status;\r | |
2160 | }\r | |
0591696e FT |
2161 | \r |
2162 | //\r | |
2163 | // Write a 0 to the HCE register in order to disable the host controller.\r | |
2164 | //\r | |
095f0779 FT |
2165 | Status = UfsMmioRead32 (Private, UFS_HC_ENABLE_OFFSET, &Data);\r |
2166 | if (EFI_ERROR (Status)) {\r | |
2167 | return Status;\r | |
2168 | }\r | |
0591696e | 2169 | ASSERT ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN);\r |
095f0779 FT |
2170 | \r |
2171 | Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, 0);\r | |
2172 | if (EFI_ERROR (Status)) {\r | |
2173 | return Status;\r | |
2174 | }\r | |
0591696e FT |
2175 | \r |
2176 | //\r | |
2177 | // Wait until HCE is read as '0' before continuing.\r | |
2178 | //\r | |
095f0779 | 2179 | Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, 0, UFS_TIMEOUT);\r |
0591696e FT |
2180 | if (EFI_ERROR (Status)) {\r |
2181 | return EFI_DEVICE_ERROR;\r | |
2182 | }\r | |
2183 | \r | |
edd94e74 | 2184 | DEBUG ((DEBUG_INFO, "UfsController is stopped\n"));\r |
0591696e FT |
2185 | \r |
2186 | return EFI_SUCCESS;\r | |
2187 | }\r | |
2188 | \r | |
0350b57c HW |
2189 | /**\r |
2190 | Internal helper function which will signal the caller event and clean up\r | |
2191 | resources.\r | |
2192 | \r | |
2193 | @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data\r | |
2194 | structure.\r | |
2195 | @param[in] TransReq The pointer to the UFS_PASS_THRU_TRANS_REQ data\r | |
2196 | structure.\r | |
2197 | \r | |
2198 | **/\r | |
2199 | VOID\r | |
2200 | EFIAPI\r | |
2201 | SignalCallerEvent (\r | |
2202 | IN UFS_PASS_THRU_PRIVATE_DATA *Private,\r | |
2203 | IN UFS_PASS_THRU_TRANS_REQ *TransReq\r | |
2204 | )\r | |
2205 | {\r | |
2206 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc;\r | |
2207 | EFI_EVENT CallerEvent;\r | |
2208 | \r | |
33e2ba78 HW |
2209 | ASSERT ((Private != NULL) && (TransReq != NULL));\r |
2210 | \r | |
0350b57c HW |
2211 | UfsHc = Private->UfsHostController;\r |
2212 | CallerEvent = TransReq->CallerEvent;\r | |
2213 | \r | |
2214 | RemoveEntryList (&TransReq->TransferList);\r | |
2215 | \r | |
2216 | UfsHc->Flush (UfsHc);\r | |
2217 | \r | |
2218 | UfsStopExecCmd (Private, TransReq->Slot);\r | |
2219 | \r | |
a37e18f6 | 2220 | UfsReconcileDataTransferBuffer (Private, TransReq);\r |
0350b57c HW |
2221 | \r |
2222 | if (TransReq->CmdDescMapping != NULL) {\r | |
2223 | UfsHc->Unmap (UfsHc, TransReq->CmdDescMapping);\r | |
2224 | }\r | |
2225 | if (TransReq->CmdDescHost != NULL) {\r | |
2226 | UfsHc->FreeBuffer (\r | |
2227 | UfsHc,\r | |
2228 | EFI_SIZE_TO_PAGES (TransReq->CmdDescSize),\r | |
2229 | TransReq->CmdDescHost\r | |
2230 | );\r | |
2231 | }\r | |
33e2ba78 HW |
2232 | \r |
2233 | FreePool (TransReq);\r | |
0350b57c HW |
2234 | \r |
2235 | gBS->SignalEvent (CallerEvent);\r | |
2236 | return;\r | |
2237 | }\r | |
2238 | \r | |
2239 | /**\r | |
2240 | Call back function when the timer event is signaled.\r | |
2241 | \r | |
2242 | @param[in] Event The Event this notify function registered to.\r | |
2243 | @param[in] Context Pointer to the context data registered to the Event.\r | |
2244 | \r | |
2245 | **/\r | |
2246 | VOID\r | |
2247 | EFIAPI\r | |
2248 | ProcessAsyncTaskList (\r | |
2249 | IN EFI_EVENT Event,\r | |
2250 | IN VOID *Context\r | |
2251 | )\r | |
2252 | {\r | |
2253 | UFS_PASS_THRU_PRIVATE_DATA *Private;\r | |
2254 | LIST_ENTRY *Entry;\r | |
2255 | LIST_ENTRY *NextEntry;\r | |
2256 | UFS_PASS_THRU_TRANS_REQ *TransReq;\r | |
2257 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet;\r | |
2258 | UTP_RESPONSE_UPIU *Response;\r | |
2259 | UINT16 SenseDataLen;\r | |
2260 | UINT32 ResTranCount;\r | |
2261 | UINT32 SlotsMap;\r | |
2262 | UINT32 Value;\r | |
2263 | EFI_STATUS Status;\r | |
2264 | \r | |
2265 | Private = (UFS_PASS_THRU_PRIVATE_DATA*) Context;\r | |
2266 | SlotsMap = 0;\r | |
2267 | \r | |
2268 | //\r | |
2269 | // Check the entries in the async I/O queue are done or not.\r | |
2270 | //\r | |
2271 | if (!IsListEmpty(&Private->Queue)) {\r | |
2272 | EFI_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->Queue) {\r | |
2273 | TransReq = UFS_PASS_THRU_TRANS_REQ_FROM_THIS (Entry);\r | |
2274 | Packet = TransReq->Packet;\r | |
2275 | \r | |
2276 | if ((SlotsMap & (BIT0 << TransReq->Slot)) != 0) {\r | |
2277 | return;\r | |
2278 | }\r | |
2279 | SlotsMap |= BIT0 << TransReq->Slot;\r | |
2280 | \r | |
2281 | Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Value);\r | |
2282 | if (EFI_ERROR (Status)) {\r | |
2283 | //\r | |
2284 | // TODO: Should find/add a proper host adapter return status for this\r | |
2285 | // case.\r | |
2286 | //\r | |
2287 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR;\r | |
edd94e74 | 2288 | DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p UfsMmioRead32() Error.\n", TransReq->CallerEvent));\r |
0350b57c HW |
2289 | SignalCallerEvent (Private, TransReq);\r |
2290 | continue;\r | |
2291 | }\r | |
2292 | \r | |
2293 | if ((Value & (BIT0 << TransReq->Slot)) != 0) {\r | |
2294 | //\r | |
2295 | // Scsi cmd not finished yet.\r | |
2296 | //\r | |
2297 | if (TransReq->TimeoutRemain > UFS_HC_ASYNC_TIMER) {\r | |
2298 | TransReq->TimeoutRemain -= UFS_HC_ASYNC_TIMER;\r | |
2299 | continue;\r | |
2300 | } else {\r | |
2301 | //\r | |
2302 | // Timeout occurs.\r | |
2303 | //\r | |
2304 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND;\r | |
edd94e74 | 2305 | DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p EFI_TIMEOUT.\n", TransReq->CallerEvent));\r |
0350b57c HW |
2306 | SignalCallerEvent (Private, TransReq);\r |
2307 | continue;\r | |
2308 | }\r | |
2309 | } else {\r | |
2310 | //\r | |
2311 | // Scsi cmd finished.\r | |
2312 | //\r | |
2313 | // Get sense data if exists\r | |
2314 | //\r | |
2315 | Response = (UTP_RESPONSE_UPIU*)((UINT8*)TransReq->CmdDescHost + TransReq->Trd->RuO * sizeof (UINT32));\r | |
2316 | ASSERT (Response != NULL);\r | |
2317 | SenseDataLen = Response->SenseDataLen;\r | |
2318 | SwapLittleEndianToBigEndian ((UINT8*)&SenseDataLen, sizeof (UINT16));\r | |
2319 | \r | |
2320 | if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) {\r | |
8894c90d HW |
2321 | //\r |
2322 | // Make sure the hardware device does not return more data than expected.\r | |
2323 | //\r | |
2324 | if (SenseDataLen <= Packet->SenseDataLength) {\r | |
2325 | CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen);\r | |
2326 | Packet->SenseDataLength = (UINT8)SenseDataLen;\r | |
2327 | } else {\r | |
2328 | Packet->SenseDataLength = 0;\r | |
2329 | }\r | |
0350b57c HW |
2330 | }\r |
2331 | \r | |
2332 | //\r | |
2333 | // Check the transfer request result.\r | |
2334 | //\r | |
2335 | Packet->TargetStatus = Response->Status;\r | |
2336 | if (Response->Response != 0) {\r | |
edd94e74 | 2337 | DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Target Failure.\n", TransReq->CallerEvent));\r |
0350b57c HW |
2338 | SignalCallerEvent (Private, TransReq);\r |
2339 | continue;\r | |
2340 | }\r | |
2341 | \r | |
2342 | if (TransReq->Trd->Ocs == 0) {\r | |
2343 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r | |
2344 | if ((Response->Flags & BIT5) == BIT5) {\r | |
2345 | ResTranCount = Response->ResTranCount;\r | |
2346 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
2347 | Packet->InTransferLength -= ResTranCount;\r | |
2348 | }\r | |
2349 | } else {\r | |
2350 | if ((Response->Flags & BIT5) == BIT5) {\r | |
2351 | ResTranCount = Response->ResTranCount;\r | |
2352 | SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32));\r | |
2353 | Packet->OutTransferLength -= ResTranCount;\r | |
2354 | }\r | |
2355 | }\r | |
2356 | } else {\r | |
edd94e74 | 2357 | DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Target Device Error.\n", TransReq->CallerEvent));\r |
0350b57c HW |
2358 | SignalCallerEvent (Private, TransReq);\r |
2359 | continue;\r | |
2360 | }\r | |
2361 | \r | |
edd94e74 | 2362 | DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Success.\n", TransReq->CallerEvent));\r |
0350b57c HW |
2363 | SignalCallerEvent (Private, TransReq);\r |
2364 | }\r | |
2365 | }\r | |
2366 | }\r | |
2367 | }\r | |
2368 | \r |