]>
Commit | Line | Data |
---|---|---|
4b1bf81c | 1 | /** @file\r |
2 | Pei USB ATATPI command implementations.\r | |
3 | \r | |
3fe5862f | 4 | Copyright (c) 1999 - 2015, Intel Corporation. All rights reserved.<BR>\r |
4b1bf81c | 5 | \r |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions\r | |
8 | of the BSD License which accompanies this distribution. The\r | |
9 | full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "UsbBotPeim.h"\r | |
18 | #include "BotPeim.h"\r | |
19 | \r | |
20 | #define MAXSENSEKEY 5\r | |
21 | \r | |
22 | /**\r | |
23 | Sends out ATAPI Inquiry Packet Command to the specified device. This command will\r | |
24 | return INQUIRY data of the device.\r | |
25 | \r | |
26 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
27 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
28 | \r | |
29 | @retval EFI_SUCCESS Inquiry command completes successfully.\r | |
30 | @retval EFI_DEVICE_ERROR Inquiry command failed.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | PeiUsbInquiry (\r | |
35 | IN EFI_PEI_SERVICES **PeiServices,\r | |
36 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
37 | )\r | |
38 | {\r | |
39 | ATAPI_PACKET_COMMAND Packet;\r | |
40 | EFI_STATUS Status;\r | |
41 | ATAPI_INQUIRY_DATA Idata;\r | |
42 | \r | |
43 | //\r | |
44 | // fill command packet\r | |
45 | //\r | |
46 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
47 | ZeroMem (&Idata, sizeof (ATAPI_INQUIRY_DATA));\r | |
48 | \r | |
49 | Packet.Inquiry.opcode = ATA_CMD_INQUIRY;\r | |
50 | Packet.Inquiry.page_code = 0;\r | |
51 | Packet.Inquiry.allocation_length = 36;\r | |
52 | \r | |
53 | //\r | |
54 | // Send scsi INQUIRY command packet.\r | |
55 | // According to SCSI Primary Commands-2 spec, host only needs to\r | |
56 | // retrieve the first 36 bytes for standard INQUIRY data.\r | |
57 | //\r | |
58 | Status = PeiAtapiCommand (\r | |
59 | PeiServices,\r | |
60 | PeiBotDevice,\r | |
61 | &Packet,\r | |
62 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
63 | &Idata,\r | |
64 | 36,\r | |
65 | EfiUsbDataIn,\r | |
66 | 2000\r | |
67 | );\r | |
68 | \r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | return EFI_DEVICE_ERROR;\r | |
71 | }\r | |
72 | \r | |
73 | if ((Idata.peripheral_type & 0x1f) == 0x05) {\r | |
74 | PeiBotDevice->DeviceType = USBCDROM;\r | |
75 | PeiBotDevice->Media.BlockSize = 0x800;\r | |
3fe5862f FT |
76 | PeiBotDevice->Media2.ReadOnly = TRUE;\r |
77 | PeiBotDevice->Media2.RemovableMedia = TRUE;\r | |
78 | PeiBotDevice->Media2.BlockSize = 0x800;\r | |
4b1bf81c | 79 | } else {\r |
80 | PeiBotDevice->DeviceType = USBFLOPPY;\r | |
81 | PeiBotDevice->Media.BlockSize = 0x200;\r | |
3fe5862f FT |
82 | PeiBotDevice->Media2.ReadOnly = FALSE;\r |
83 | PeiBotDevice->Media2.RemovableMedia = TRUE;\r | |
84 | PeiBotDevice->Media2.BlockSize = 0x200;\r | |
4b1bf81c | 85 | }\r |
86 | \r | |
87 | return EFI_SUCCESS;\r | |
88 | }\r | |
89 | \r | |
90 | /**\r | |
91 | Sends out ATAPI Test Unit Ready Packet Command to the specified device\r | |
92 | to find out whether device is accessible.\r | |
93 | \r | |
94 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
95 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
96 | \r | |
97 | @retval EFI_SUCCESS TestUnit command executed successfully.\r | |
98 | @retval EFI_DEVICE_ERROR Device cannot be executed TestUnit command successfully.\r | |
99 | \r | |
100 | **/\r | |
101 | EFI_STATUS\r | |
102 | PeiUsbTestUnitReady (\r | |
103 | IN EFI_PEI_SERVICES **PeiServices,\r | |
104 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
105 | )\r | |
106 | {\r | |
107 | ATAPI_PACKET_COMMAND Packet;\r | |
108 | EFI_STATUS Status;\r | |
109 | \r | |
110 | //\r | |
111 | // fill command packet\r | |
112 | //\r | |
113 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
114 | Packet.TestUnitReady.opcode = ATA_CMD_TEST_UNIT_READY;\r | |
115 | \r | |
116 | //\r | |
117 | // send command packet\r | |
118 | //\r | |
119 | Status = PeiAtapiCommand (\r | |
120 | PeiServices,\r | |
121 | PeiBotDevice,\r | |
122 | &Packet,\r | |
123 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
124 | NULL,\r | |
125 | 0,\r | |
126 | EfiUsbNoData,\r | |
127 | 2000\r | |
128 | );\r | |
129 | \r | |
130 | if (EFI_ERROR (Status)) {\r | |
131 | return EFI_DEVICE_ERROR;\r | |
132 | }\r | |
133 | \r | |
134 | return EFI_SUCCESS;\r | |
135 | }\r | |
136 | \r | |
137 | /**\r | |
138 | Sends out ATAPI Request Sense Packet Command to the specified device.\r | |
139 | \r | |
140 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
141 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
142 | @param SenseCounts Length of sense buffer.\r | |
143 | @param SenseKeyBuffer Pointer to sense buffer.\r | |
144 | \r | |
145 | @retval EFI_SUCCESS Command executed successfully.\r | |
146 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
147 | \r | |
148 | **/\r | |
149 | EFI_STATUS\r | |
150 | PeiUsbRequestSense (\r | |
151 | IN EFI_PEI_SERVICES **PeiServices,\r | |
152 | IN PEI_BOT_DEVICE *PeiBotDevice,\r | |
153 | OUT UINTN *SenseCounts,\r | |
154 | IN UINT8 *SenseKeyBuffer\r | |
155 | )\r | |
156 | {\r | |
3fe5862f FT |
157 | EFI_STATUS Status;\r |
158 | ATAPI_PACKET_COMMAND Packet;\r | |
159 | UINT8 *Ptr;\r | |
160 | BOOLEAN SenseReq;\r | |
4b1bf81c | 161 | ATAPI_REQUEST_SENSE_DATA *Sense;\r |
162 | \r | |
163 | *SenseCounts = 0;\r | |
164 | \r | |
165 | //\r | |
166 | // fill command packet for Request Sense Packet Command\r | |
167 | //\r | |
168 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
169 | Packet.RequestSence.opcode = ATA_CMD_REQUEST_SENSE;\r | |
170 | Packet.RequestSence.allocation_length = (UINT8) sizeof (ATAPI_REQUEST_SENSE_DATA);\r | |
171 | \r | |
172 | Ptr = SenseKeyBuffer;\r | |
173 | \r | |
174 | SenseReq = TRUE;\r | |
175 | \r | |
176 | //\r | |
177 | // request sense data from device continuously\r | |
178 | // until no sense data exists in the device.\r | |
179 | //\r | |
180 | while (SenseReq) {\r | |
181 | Sense = (ATAPI_REQUEST_SENSE_DATA *) Ptr;\r | |
182 | \r | |
183 | //\r | |
184 | // send out Request Sense Packet Command and get one Sense\r | |
185 | // data form device.\r | |
186 | //\r | |
187 | Status = PeiAtapiCommand (\r | |
188 | PeiServices,\r | |
189 | PeiBotDevice,\r | |
190 | &Packet,\r | |
191 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
192 | (VOID *) Ptr,\r | |
193 | sizeof (ATAPI_REQUEST_SENSE_DATA),\r | |
194 | EfiUsbDataIn,\r | |
195 | 2000\r | |
196 | );\r | |
197 | \r | |
198 | //\r | |
199 | // failed to get Sense data\r | |
200 | //\r | |
201 | if (EFI_ERROR (Status)) {\r | |
202 | if (*SenseCounts == 0) {\r | |
203 | return EFI_DEVICE_ERROR;\r | |
204 | } else {\r | |
205 | return EFI_SUCCESS;\r | |
206 | }\r | |
207 | }\r | |
208 | \r | |
209 | if (Sense->sense_key != ATA_SK_NO_SENSE) {\r | |
210 | \r | |
211 | Ptr += sizeof (ATAPI_REQUEST_SENSE_DATA);\r | |
212 | //\r | |
213 | // Ptr is byte based pointer\r | |
214 | //\r | |
215 | (*SenseCounts)++;\r | |
216 | \r | |
217 | if (*SenseCounts == MAXSENSEKEY) {\r | |
218 | break;\r | |
219 | }\r | |
220 | \r | |
221 | } else {\r | |
222 | //\r | |
223 | // when no sense key, skip out the loop\r | |
224 | //\r | |
225 | SenseReq = FALSE;\r | |
226 | }\r | |
227 | }\r | |
228 | \r | |
229 | return EFI_SUCCESS;\r | |
230 | }\r | |
231 | \r | |
232 | /**\r | |
233 | Sends out ATAPI Read Capacity Packet Command to the specified device.\r | |
234 | This command will return the information regarding the capacity of the\r | |
235 | media in the device.\r | |
236 | \r | |
237 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
238 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
239 | \r | |
240 | @retval EFI_SUCCESS Command executed successfully.\r | |
241 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
242 | \r | |
243 | **/\r | |
244 | EFI_STATUS\r | |
245 | PeiUsbReadCapacity (\r | |
246 | IN EFI_PEI_SERVICES **PeiServices,\r | |
247 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
248 | )\r | |
249 | {\r | |
3fe5862f FT |
250 | EFI_STATUS Status;\r |
251 | ATAPI_PACKET_COMMAND Packet;\r | |
4b1bf81c | 252 | ATAPI_READ_CAPACITY_DATA Data;\r |
3fe5862f | 253 | UINT32 LastBlock;\r |
4b1bf81c | 254 | \r |
255 | ZeroMem (&Data, sizeof (ATAPI_READ_CAPACITY_DATA));\r | |
256 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
257 | \r | |
258 | Packet.Inquiry.opcode = ATA_CMD_READ_CAPACITY;\r | |
259 | \r | |
260 | //\r | |
261 | // send command packet\r | |
262 | //\r | |
263 | Status = PeiAtapiCommand (\r | |
264 | PeiServices,\r | |
265 | PeiBotDevice,\r | |
266 | &Packet,\r | |
267 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
268 | (VOID *) &Data,\r | |
269 | sizeof (ATAPI_READ_CAPACITY_DATA),\r | |
270 | EfiUsbDataIn,\r | |
271 | 2000\r | |
272 | );\r | |
273 | \r | |
274 | if (EFI_ERROR (Status)) {\r | |
275 | return EFI_DEVICE_ERROR;\r | |
276 | }\r | |
3fe5862f | 277 | LastBlock = (Data.LastLba3 << 24) | (Data.LastLba2 << 16) | (Data.LastLba1 << 8) | Data.LastLba0;\r |
4b1bf81c | 278 | \r |
3fe5862f FT |
279 | if (LastBlock == 0xFFFFFFFF) {\r |
280 | DEBUG ((EFI_D_INFO, "The usb device LBA count is larger than 0xFFFFFFFF!\n"));\r | |
281 | }\r | |
282 | \r | |
283 | PeiBotDevice->Media.LastBlock = LastBlock;\r | |
284 | PeiBotDevice->Media.MediaPresent = TRUE;\r | |
4b1bf81c | 285 | \r |
3fe5862f FT |
286 | PeiBotDevice->Media2.LastBlock = LastBlock;\r |
287 | PeiBotDevice->Media2.MediaPresent = TRUE;\r | |
4b1bf81c | 288 | \r |
289 | return EFI_SUCCESS;\r | |
290 | }\r | |
291 | \r | |
292 | /**\r | |
293 | Sends out ATAPI Read Format Capacity Data Command to the specified device.\r | |
294 | This command will return the information regarding the capacity of the\r | |
295 | media in the device.\r | |
296 | \r | |
297 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
298 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
299 | \r | |
300 | @retval EFI_SUCCESS Command executed successfully.\r | |
301 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
302 | \r | |
303 | **/\r | |
304 | EFI_STATUS\r | |
305 | PeiUsbReadFormattedCapacity (\r | |
306 | IN EFI_PEI_SERVICES **PeiServices,\r | |
307 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
308 | )\r | |
309 | {\r | |
3fe5862f FT |
310 | EFI_STATUS Status;\r |
311 | ATAPI_PACKET_COMMAND Packet;\r | |
4b1bf81c | 312 | ATAPI_READ_FORMAT_CAPACITY_DATA FormatData;\r |
3fe5862f | 313 | UINT32 LastBlock;\r |
4b1bf81c | 314 | \r |
315 | ZeroMem (&FormatData, sizeof (ATAPI_READ_FORMAT_CAPACITY_DATA));\r | |
316 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
317 | \r | |
318 | Packet.ReadFormatCapacity.opcode = ATA_CMD_READ_FORMAT_CAPACITY;\r | |
319 | Packet.ReadFormatCapacity.allocation_length_lo = 12;\r | |
320 | \r | |
321 | //\r | |
322 | // send command packet\r | |
323 | //\r | |
324 | Status = PeiAtapiCommand (\r | |
325 | PeiServices,\r | |
326 | PeiBotDevice,\r | |
327 | &Packet,\r | |
328 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
329 | (VOID *) &FormatData,\r | |
330 | sizeof (ATAPI_READ_FORMAT_CAPACITY_DATA),\r | |
331 | EfiUsbDataIn,\r | |
332 | 2000\r | |
333 | );\r | |
334 | \r | |
335 | if (EFI_ERROR (Status)) {\r | |
336 | return EFI_DEVICE_ERROR;\r | |
337 | }\r | |
338 | \r | |
339 | if (FormatData.DesCode == 3) {\r | |
340 | //\r | |
341 | // Media is not present\r | |
342 | //\r | |
343 | PeiBotDevice->Media.MediaPresent = FALSE;\r | |
344 | PeiBotDevice->Media.LastBlock = 0;\r | |
3fe5862f FT |
345 | PeiBotDevice->Media2.MediaPresent = FALSE;\r |
346 | PeiBotDevice->Media2.LastBlock = 0;\r | |
4b1bf81c | 347 | \r |
348 | } else {\r | |
3fe5862f FT |
349 | LastBlock = (FormatData.LastLba3 << 24) | (FormatData.LastLba2 << 16) | (FormatData.LastLba1 << 8) | FormatData.LastLba0;\r |
350 | if (LastBlock == 0xFFFFFFFF) {\r | |
351 | DEBUG ((EFI_D_INFO, "The usb device LBA count is larger than 0xFFFFFFFF!\n"));\r | |
352 | }\r | |
4b1bf81c | 353 | \r |
3fe5862f | 354 | PeiBotDevice->Media.LastBlock = LastBlock;\r |
4b1bf81c | 355 | \r |
356 | PeiBotDevice->Media.LastBlock--;\r | |
357 | \r | |
358 | PeiBotDevice->Media.MediaPresent = TRUE;\r | |
3fe5862f FT |
359 | \r |
360 | PeiBotDevice->Media2.MediaPresent = TRUE;\r | |
361 | PeiBotDevice->Media2.LastBlock = PeiBotDevice->Media.LastBlock;\r | |
4b1bf81c | 362 | }\r |
363 | \r | |
364 | return EFI_SUCCESS;\r | |
365 | }\r | |
366 | \r | |
367 | /**\r | |
368 | Execute Read(10) ATAPI command on a specific SCSI target.\r | |
369 | \r | |
370 | Executes the ATAPI Read(10) command on the ATAPI target specified by PeiBotDevice.\r | |
371 | \r | |
372 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
373 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
374 | @param Buffer The pointer to data buffer.\r | |
375 | @param Lba The start logic block address of reading.\r | |
376 | @param NumberOfBlocks The block number of reading.\r | |
377 | \r | |
378 | @retval EFI_SUCCESS Command executed successfully.\r | |
379 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
380 | \r | |
381 | **/\r | |
382 | EFI_STATUS\r | |
383 | PeiUsbRead10 (\r | |
384 | IN EFI_PEI_SERVICES **PeiServices,\r | |
385 | IN PEI_BOT_DEVICE *PeiBotDevice,\r | |
386 | IN VOID *Buffer,\r | |
387 | IN EFI_PEI_LBA Lba,\r | |
388 | IN UINTN NumberOfBlocks\r | |
389 | )\r | |
390 | {\r | |
391 | ATAPI_PACKET_COMMAND Packet;\r | |
392 | ATAPI_READ10_CMD *Read10Packet;\r | |
393 | UINT16 MaxBlock;\r | |
394 | UINT16 BlocksRemaining;\r | |
395 | UINT16 SectorCount;\r | |
396 | UINT32 Lba32;\r | |
397 | UINT32 BlockSize;\r | |
398 | UINT32 ByteCount;\r | |
399 | VOID *PtrBuffer;\r | |
400 | EFI_STATUS Status;\r | |
401 | UINT16 TimeOut;\r | |
402 | \r | |
403 | //\r | |
404 | // prepare command packet for the Inquiry Packet Command.\r | |
405 | //\r | |
406 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
407 | Read10Packet = &Packet.Read10;\r | |
408 | Lba32 = (UINT32) Lba;\r | |
409 | PtrBuffer = Buffer;\r | |
410 | \r | |
411 | BlockSize = (UINT32) PeiBotDevice->Media.BlockSize;\r | |
412 | \r | |
413 | MaxBlock = (UINT16) (65535 / BlockSize);\r | |
414 | BlocksRemaining = (UINT16) NumberOfBlocks;\r | |
415 | \r | |
416 | Status = EFI_SUCCESS;\r | |
417 | while (BlocksRemaining > 0) {\r | |
418 | \r | |
419 | if (BlocksRemaining <= MaxBlock) {\r | |
420 | \r | |
421 | SectorCount = BlocksRemaining;\r | |
422 | \r | |
423 | } else {\r | |
424 | \r | |
425 | SectorCount = MaxBlock;\r | |
426 | }\r | |
427 | //\r | |
428 | // fill the Packet data structure\r | |
429 | //\r | |
430 | Read10Packet->opcode = ATA_CMD_READ_10;\r | |
431 | \r | |
432 | //\r | |
433 | // Lba0 ~ Lba3 specify the start logical block address of the data transfer.\r | |
434 | // Lba0 is MSB, Lba3 is LSB\r | |
435 | //\r | |
436 | Read10Packet->Lba3 = (UINT8) (Lba32 & 0xff);\r | |
437 | Read10Packet->Lba2 = (UINT8) (Lba32 >> 8);\r | |
438 | Read10Packet->Lba1 = (UINT8) (Lba32 >> 16);\r | |
439 | Read10Packet->Lba0 = (UINT8) (Lba32 >> 24);\r | |
440 | \r | |
441 | //\r | |
442 | // TranLen0 ~ TranLen1 specify the transfer length in block unit.\r | |
443 | // TranLen0 is MSB, TranLen is LSB\r | |
444 | //\r | |
445 | Read10Packet->TranLen1 = (UINT8) (SectorCount & 0xff);\r | |
446 | Read10Packet->TranLen0 = (UINT8) (SectorCount >> 8);\r | |
447 | \r | |
448 | ByteCount = SectorCount * BlockSize;\r | |
449 | \r | |
450 | TimeOut = (UINT16) (SectorCount * 2000);\r | |
451 | \r | |
452 | //\r | |
453 | // send command packet\r | |
454 | //\r | |
455 | Status = PeiAtapiCommand (\r | |
456 | PeiServices,\r | |
457 | PeiBotDevice,\r | |
458 | &Packet,\r | |
459 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
460 | (VOID *) PtrBuffer,\r | |
461 | ByteCount,\r | |
462 | EfiUsbDataIn,\r | |
463 | TimeOut\r | |
464 | );\r | |
465 | \r | |
466 | if (Status != EFI_SUCCESS) {\r | |
467 | return Status;\r | |
468 | }\r | |
469 | \r | |
470 | Lba32 += SectorCount;\r | |
471 | PtrBuffer = (UINT8 *) PtrBuffer + SectorCount * BlockSize;\r | |
472 | BlocksRemaining = (UINT16) (BlocksRemaining - SectorCount);\r | |
473 | }\r | |
474 | \r | |
475 | return Status;\r | |
476 | }\r | |
477 | \r | |
478 | /** \r | |
479 | Check if there is media according to sense data.\r | |
480 | \r | |
481 | @param SenseData Pointer to sense data.\r | |
482 | @param SenseCounts Count of sense data.\r | |
483 | \r | |
484 | @retval TRUE No media\r | |
485 | @retval FALSE Media exists\r | |
486 | \r | |
487 | **/\r | |
488 | BOOLEAN\r | |
489 | IsNoMedia (\r | |
490 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
491 | IN UINTN SenseCounts\r | |
492 | )\r | |
493 | {\r | |
494 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
3fe5862f FT |
495 | UINTN Index;\r |
496 | BOOLEAN NoMedia;\r | |
4b1bf81c | 497 | \r |
498 | NoMedia = FALSE;\r | |
499 | SensePtr = SenseData;\r | |
500 | \r | |
501 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
502 | \r | |
503 | switch (SensePtr->sense_key) {\r | |
504 | \r | |
505 | case ATA_SK_NOT_READY:\r | |
506 | switch (SensePtr->addnl_sense_code) {\r | |
507 | //\r | |
508 | // if no media, fill IdeDev parameter with specific info.\r | |
509 | //\r | |
510 | case ATA_ASC_NO_MEDIA:\r | |
511 | NoMedia = TRUE;\r | |
512 | break;\r | |
513 | \r | |
514 | default:\r | |
515 | break;\r | |
516 | }\r | |
517 | break;\r | |
518 | \r | |
519 | default:\r | |
520 | break;\r | |
521 | }\r | |
522 | \r | |
523 | SensePtr++;\r | |
524 | }\r | |
525 | \r | |
526 | return NoMedia;\r | |
527 | }\r | |
528 | \r | |
529 | /** \r | |
530 | Check if there is media error according to sense data.\r | |
531 | \r | |
532 | @param SenseData Pointer to sense data.\r | |
533 | @param SenseCounts Count of sense data.\r | |
534 | \r | |
535 | @retval TRUE Media error\r | |
536 | @retval FALSE No media error\r | |
537 | \r | |
538 | **/\r | |
539 | BOOLEAN\r | |
540 | IsMediaError (\r | |
541 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
3fe5862f | 542 | IN UINTN SenseCounts\r |
4b1bf81c | 543 | )\r |
544 | {\r | |
545 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
3fe5862f FT |
546 | UINTN Index;\r |
547 | BOOLEAN Error;\r | |
4b1bf81c | 548 | \r |
549 | SensePtr = SenseData;\r | |
550 | Error = FALSE;\r | |
551 | \r | |
552 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
553 | \r | |
554 | switch (SensePtr->sense_key) {\r | |
555 | //\r | |
556 | // Medium error case\r | |
557 | //\r | |
558 | case ATA_SK_MEDIUM_ERROR:\r | |
559 | switch (SensePtr->addnl_sense_code) {\r | |
560 | case ATA_ASC_MEDIA_ERR1:\r | |
561 | //\r | |
562 | // fall through\r | |
563 | //\r | |
564 | case ATA_ASC_MEDIA_ERR2:\r | |
565 | //\r | |
566 | // fall through\r | |
567 | //\r | |
568 | case ATA_ASC_MEDIA_ERR3:\r | |
569 | //\r | |
570 | // fall through\r | |
571 | //\r | |
572 | case ATA_ASC_MEDIA_ERR4:\r | |
573 | Error = TRUE;\r | |
574 | break;\r | |
575 | \r | |
576 | default:\r | |
577 | break;\r | |
578 | }\r | |
579 | \r | |
580 | break;\r | |
581 | \r | |
582 | //\r | |
583 | // Medium upside-down case\r | |
584 | //\r | |
585 | case ATA_SK_NOT_READY:\r | |
586 | switch (SensePtr->addnl_sense_code) {\r | |
587 | case ATA_ASC_MEDIA_UPSIDE_DOWN:\r | |
588 | Error = TRUE;\r | |
589 | break;\r | |
590 | \r | |
591 | default:\r | |
592 | break;\r | |
593 | }\r | |
594 | break;\r | |
595 | \r | |
596 | default:\r | |
597 | break;\r | |
598 | }\r | |
599 | \r | |
600 | SensePtr++;\r | |
601 | }\r | |
602 | \r | |
603 | return Error;\r | |
604 | }\r | |
605 | \r | |
606 | /** \r | |
607 | Check if media is changed according to sense data.\r | |
608 | \r | |
609 | @param SenseData Pointer to sense data.\r | |
610 | @param SenseCounts Count of sense data.\r | |
611 | \r | |
612 | @retval TRUE There is media change event.\r | |
613 | @retval FALSE media is NOT changed.\r | |
614 | \r | |
615 | **/\r | |
616 | BOOLEAN\r | |
617 | IsMediaChange (\r | |
618 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
619 | IN UINTN SenseCounts\r | |
620 | )\r | |
621 | {\r | |
622 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
623 | UINTN Index;\r | |
624 | BOOLEAN MediaChange;\r | |
625 | \r | |
626 | MediaChange = FALSE;\r | |
627 | \r | |
628 | SensePtr = SenseData;\r | |
629 | \r | |
630 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
631 | //\r | |
632 | // catch media change sense key and addition sense data\r | |
633 | //\r | |
634 | switch (SensePtr->sense_key) {\r | |
635 | case ATA_SK_UNIT_ATTENTION:\r | |
636 | switch (SensePtr->addnl_sense_code) {\r | |
637 | case ATA_ASC_MEDIA_CHANGE:\r | |
638 | MediaChange = TRUE;\r | |
639 | break;\r | |
640 | \r | |
641 | default:\r | |
642 | break;\r | |
643 | }\r | |
644 | break;\r | |
645 | \r | |
646 | default:\r | |
647 | break;\r | |
648 | }\r | |
649 | \r | |
650 | SensePtr++;\r | |
651 | }\r | |
652 | \r | |
653 | return MediaChange;\r | |
654 | }\r |