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e237e7ae | 1 | /** @file\r |
d80ed2a7 | 2 | Implementation of the command set of USB Mass Storage Specification\r |
3 | for Bootability, Revision 1.0.\r | |
cc5166ff | 4 | \r |
e1490553 | 5 | Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
e237e7ae | 7 | \r |
cc5166ff | 8 | **/\r |
e237e7ae | 9 | \r |
39840c50 | 10 | #include "UsbMass.h"\r |
e237e7ae | 11 | \r |
e237e7ae | 12 | /**\r |
d80ed2a7 | 13 | Execute REQUEST SENSE Command to retrieve sense data from device.\r |
e237e7ae | 14 | \r |
d80ed2a7 | 15 | @param UsbMass The device whose sense data is requested.\r |
e237e7ae | 16 | \r |
ed356b9e | 17 | @retval EFI_SUCCESS The command is executed successfully.\r |
cc5166ff | 18 | @retval EFI_DEVICE_ERROR Failed to request sense.\r |
19 | @retval EFI_NO_RESPONSE The device media doesn't response this request.\r | |
20 | @retval EFI_INVALID_PARAMETER The command has some invalid parameters.\r | |
21 | @retval EFI_WRITE_PROTECTED The device is write protected.\r | |
22 | @retval EFI_MEDIA_CHANGED The device media has been changed.\r | |
e237e7ae | 23 | \r |
24 | **/\r | |
25 | EFI_STATUS\r | |
26 | UsbBootRequestSense (\r | |
27 | IN USB_MASS_DEVICE *UsbMass\r | |
28 | )\r | |
29 | {\r | |
30 | USB_BOOT_REQUEST_SENSE_CMD SenseCmd;\r | |
31 | USB_BOOT_REQUEST_SENSE_DATA SenseData;\r | |
32 | EFI_BLOCK_IO_MEDIA *Media;\r | |
33 | USB_MASS_TRANSPORT *Transport;\r | |
34 | EFI_STATUS Status;\r | |
35 | UINT32 CmdResult;\r | |
36 | \r | |
37 | Transport = UsbMass->Transport;\r | |
38 | \r | |
39 | //\r | |
d80ed2a7 | 40 | // Request the sense data from the device\r |
e237e7ae | 41 | //\r |
42 | ZeroMem (&SenseCmd, sizeof (USB_BOOT_REQUEST_SENSE_CMD));\r | |
43 | ZeroMem (&SenseData, sizeof (USB_BOOT_REQUEST_SENSE_DATA));\r | |
44 | \r | |
45 | SenseCmd.OpCode = USB_BOOT_REQUEST_SENSE_OPCODE;\r | |
c52fa98c | 46 | SenseCmd.Lun = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));\r |
c9325700 | 47 | SenseCmd.AllocLen = (UINT8) sizeof (USB_BOOT_REQUEST_SENSE_DATA);\r |
e237e7ae | 48 | \r |
49 | Status = Transport->ExecCommand (\r | |
50 | UsbMass->Context,\r | |
51 | &SenseCmd,\r | |
52 | sizeof (USB_BOOT_REQUEST_SENSE_CMD),\r | |
53 | EfiUsbDataIn,\r | |
54 | &SenseData,\r | |
55 | sizeof (USB_BOOT_REQUEST_SENSE_DATA),\r | |
c7e39923 | 56 | UsbMass->Lun,\r |
e237e7ae | 57 | USB_BOOT_GENERAL_CMD_TIMEOUT,\r |
58 | &CmdResult\r | |
59 | );\r | |
60 | if (EFI_ERROR (Status) || CmdResult != USB_MASS_CMD_SUCCESS) {\r | |
1c619535 | 61 | DEBUG ((EFI_D_ERROR, "UsbBootRequestSense: (%r) CmdResult=0x%x\n", Status, CmdResult));\r |
88e349f1 | 62 | if (!EFI_ERROR (Status)) {\r |
63 | Status = EFI_DEVICE_ERROR;\r | |
64 | }\r | |
50fa1b3a | 65 | return Status;\r |
e237e7ae | 66 | }\r |
67 | \r | |
68 | //\r | |
d80ed2a7 | 69 | // If sense data is retrieved successfully, interpret the sense data\r |
70 | // and update the media status if necessary.\r | |
e237e7ae | 71 | //\r |
72 | Media = &UsbMass->BlockIoMedia;\r | |
73 | \r | |
74 | switch (USB_BOOT_SENSE_KEY (SenseData.SenseKey)) {\r | |
75 | \r | |
76 | case USB_BOOT_SENSE_NO_SENSE:\r | |
275b96da MK |
77 | if (SenseData.Asc == USB_BOOT_ASC_NO_ADDITIONAL_SENSE_INFORMATION) {\r |
78 | //\r | |
79 | // It is not an error if a device does not have additional sense information\r | |
80 | //\r | |
81 | Status = EFI_SUCCESS;\r | |
82 | } else {\r | |
83 | Status = EFI_NO_RESPONSE;\r | |
84 | }\r | |
50fa1b3a | 85 | break;\r |
86 | \r | |
e237e7ae | 87 | case USB_BOOT_SENSE_RECOVERED:\r |
88 | //\r | |
89 | // Suppose hardware can handle this case, and recover later by itself\r | |
90 | //\r | |
91 | Status = EFI_NOT_READY;\r | |
92 | break;\r | |
93 | \r | |
94 | case USB_BOOT_SENSE_NOT_READY:\r | |
50fa1b3a | 95 | Status = EFI_DEVICE_ERROR;\r |
1ccdbf2a | 96 | if (SenseData.Asc == USB_BOOT_ASC_NO_MEDIA) {\r |
d80ed2a7 | 97 | Media->MediaPresent = FALSE;\r |
98 | Status = EFI_NO_MEDIA;\r | |
1ccdbf2a | 99 | } else if (SenseData.Asc == USB_BOOT_ASC_NOT_READY) {\r |
d80ed2a7 | 100 | Status = EFI_NOT_READY;\r |
e237e7ae | 101 | }\r |
102 | break;\r | |
103 | \r | |
104 | case USB_BOOT_SENSE_ILLEGAL_REQUEST:\r | |
105 | Status = EFI_INVALID_PARAMETER;\r | |
106 | break;\r | |
107 | \r | |
108 | case USB_BOOT_SENSE_UNIT_ATTENTION:\r | |
109 | Status = EFI_DEVICE_ERROR;\r | |
1ccdbf2a | 110 | if (SenseData.Asc == USB_BOOT_ASC_MEDIA_CHANGE) {\r |
50fa1b3a | 111 | //\r |
d80ed2a7 | 112 | // If MediaChange, reset ReadOnly and new MediaId\r |
50fa1b3a | 113 | //\r |
d80ed2a7 | 114 | Status = EFI_MEDIA_CHANGED;\r |
50fa1b3a | 115 | Media->ReadOnly = FALSE;\r |
116 | Media->MediaId++;\r | |
d8030c2a MK |
117 | } else if (SenseData.Asc == USB_BOOT_ASC_NOT_READY) {\r |
118 | Status = EFI_NOT_READY;\r | |
119 | } else if (SenseData.Asc == USB_BOOT_ASC_NO_MEDIA) {\r | |
120 | Status = EFI_NOT_READY;\r | |
e237e7ae | 121 | }\r |
122 | break;\r | |
123 | \r | |
d80ed2a7 | 124 | case USB_BOOT_SENSE_DATA_PROTECT:\r |
125 | Status = EFI_WRITE_PROTECTED;\r | |
50fa1b3a | 126 | Media->ReadOnly = TRUE;\r |
e237e7ae | 127 | break;\r |
128 | \r | |
129 | default:\r | |
130 | Status = EFI_DEVICE_ERROR;\r | |
131 | break;\r | |
132 | }\r | |
133 | \r | |
e1490553 | 134 | DEBUG ((EFI_D_INFO, "UsbBootRequestSense: (%r) with error code (%x) sense key %x/%x/%x\n",\r |
e237e7ae | 135 | Status,\r |
e1490553 | 136 | SenseData.ErrorCode,\r |
e237e7ae | 137 | USB_BOOT_SENSE_KEY (SenseData.SenseKey),\r |
1ccdbf2a | 138 | SenseData.Asc,\r |
139 | SenseData.Ascq\r | |
e237e7ae | 140 | ));\r |
141 | \r | |
142 | return Status;\r | |
143 | }\r | |
144 | \r | |
145 | \r | |
146 | /**\r | |
d80ed2a7 | 147 | Execute the USB mass storage bootability commands.\r |
148 | \r | |
149 | This function executes the USB mass storage bootability commands.\r | |
150 | If execution failed, retrieve the error by REQUEST_SENSE, then\r | |
151 | update the device's status, such as ReadyOnly.\r | |
e237e7ae | 152 | \r |
153 | @param UsbMass The device to issue commands to\r | |
154 | @param Cmd The command to execute\r | |
155 | @param CmdLen The length of the command\r | |
156 | @param DataDir The direction of data transfer\r | |
157 | @param Data The buffer to hold the data\r | |
158 | @param DataLen The length of expected data\r | |
159 | @param Timeout The timeout used to transfer\r | |
160 | \r | |
ed356b9e | 161 | @retval EFI_SUCCESS Command is executed successfully\r |
d80ed2a7 | 162 | @retval Others Command execution failed.\r |
e237e7ae | 163 | \r |
164 | **/\r | |
e237e7ae | 165 | EFI_STATUS\r |
166 | UsbBootExecCmd (\r | |
167 | IN USB_MASS_DEVICE *UsbMass,\r | |
168 | IN VOID *Cmd,\r | |
169 | IN UINT8 CmdLen,\r | |
170 | IN EFI_USB_DATA_DIRECTION DataDir,\r | |
171 | IN VOID *Data,\r | |
172 | IN UINT32 DataLen,\r | |
173 | IN UINT32 Timeout\r | |
174 | )\r | |
175 | {\r | |
176 | USB_MASS_TRANSPORT *Transport;\r | |
177 | EFI_STATUS Status;\r | |
178 | UINT32 CmdResult;\r | |
179 | \r | |
180 | Transport = UsbMass->Transport;\r | |
181 | Status = Transport->ExecCommand (\r | |
182 | UsbMass->Context,\r | |
183 | Cmd,\r | |
184 | CmdLen,\r | |
185 | DataDir,\r | |
186 | Data,\r | |
187 | DataLen,\r | |
c7e39923 | 188 | UsbMass->Lun,\r |
e237e7ae | 189 | Timeout,\r |
190 | &CmdResult\r | |
191 | );\r | |
19bc8527 | 192 | \r |
193 | if (Status == EFI_TIMEOUT) {\r | |
e1490553 | 194 | DEBUG ((EFI_D_ERROR, "UsbBootExecCmd: %r to Exec 0x%x Cmd\n", Status, *(UINT8 *)Cmd));\r |
19bc8527 | 195 | return EFI_TIMEOUT;\r |
196 | }\r | |
197 | \r | |
e237e7ae | 198 | //\r |
d80ed2a7 | 199 | // If ExecCommand() returns no error and CmdResult is success,\r |
200 | // then the commnad transfer is successful.\r | |
e237e7ae | 201 | //\r |
d80ed2a7 | 202 | if ((CmdResult == USB_MASS_CMD_SUCCESS) && !EFI_ERROR (Status)) {\r |
e237e7ae | 203 | return EFI_SUCCESS;\r |
204 | }\r | |
205 | \r | |
d80ed2a7 | 206 | //\r |
207 | // If command execution failed, then retrieve error info via sense request.\r | |
208 | //\r | |
e1490553 | 209 | DEBUG ((EFI_D_ERROR, "UsbBootExecCmd: %r to Exec 0x%x Cmd (Result = %x)\n", Status, *(UINT8 *)Cmd, CmdResult));\r |
e237e7ae | 210 | return UsbBootRequestSense (UsbMass);\r |
211 | }\r | |
212 | \r | |
213 | \r | |
214 | /**\r | |
d80ed2a7 | 215 | Execute the USB mass storage bootability commands with retrial.\r |
e237e7ae | 216 | \r |
d80ed2a7 | 217 | This function executes USB mass storage bootability commands.\r |
218 | If the device isn't ready, wait for it. If the device is ready\r | |
219 | and error occurs, retry the command again until it exceeds the\r | |
220 | limit of retrial times.\r | |
d1102dba | 221 | \r |
e237e7ae | 222 | @param UsbMass The device to issue commands to\r |
223 | @param Cmd The command to execute\r | |
224 | @param CmdLen The length of the command\r | |
225 | @param DataDir The direction of data transfer\r | |
226 | @param Data The buffer to hold the data\r | |
227 | @param DataLen The length of expected data\r | |
cc5166ff | 228 | @param Timeout The timeout used to transfer\r |
e237e7ae | 229 | \r |
d80ed2a7 | 230 | @retval EFI_SUCCESS The command is executed successfully.\r |
06e24096 | 231 | @retval EFI_NO_MEDIA The device media is removed.\r |
d80ed2a7 | 232 | @retval Others Command execution failed after retrial.\r |
e237e7ae | 233 | \r |
234 | **/\r | |
e237e7ae | 235 | EFI_STATUS\r |
236 | UsbBootExecCmdWithRetry (\r | |
237 | IN USB_MASS_DEVICE *UsbMass,\r | |
238 | IN VOID *Cmd,\r | |
239 | IN UINT8 CmdLen,\r | |
240 | IN EFI_USB_DATA_DIRECTION DataDir,\r | |
241 | IN VOID *Data,\r | |
242 | IN UINT32 DataLen,\r | |
243 | IN UINT32 Timeout\r | |
244 | )\r | |
245 | {\r | |
246 | EFI_STATUS Status;\r | |
d80ed2a7 | 247 | UINTN Retry;\r |
19bc8527 | 248 | EFI_EVENT TimeoutEvt;\r |
249 | \r | |
250 | Retry = 0;\r | |
251 | Status = EFI_SUCCESS;\r | |
252 | Status = gBS->CreateEvent (\r | |
253 | EVT_TIMER,\r | |
254 | TPL_CALLBACK,\r | |
255 | NULL,\r | |
256 | NULL,\r | |
257 | &TimeoutEvt\r | |
258 | );\r | |
259 | if (EFI_ERROR (Status)) {\r | |
260 | return Status;\r | |
261 | }\r | |
e237e7ae | 262 | \r |
19bc8527 | 263 | Status = gBS->SetTimer (TimeoutEvt, TimerRelative, EFI_TIMER_PERIOD_SECONDS(60));\r |
264 | if (EFI_ERROR (Status)) {\r | |
265 | goto EXIT;\r | |
266 | }\r | |
e237e7ae | 267 | \r |
19bc8527 | 268 | //\r |
269 | // Execute the cmd and retry if it fails.\r | |
270 | //\r | |
271 | while (EFI_ERROR (gBS->CheckEvent (TimeoutEvt))) {\r | |
e237e7ae | 272 | Status = UsbBootExecCmd (\r |
273 | UsbMass,\r | |
274 | Cmd,\r | |
275 | CmdLen,\r | |
276 | DataDir,\r | |
277 | Data,\r | |
278 | DataLen,\r | |
1c619535 | 279 | Timeout\r |
e237e7ae | 280 | );\r |
06e24096 | 281 | if (Status == EFI_SUCCESS || Status == EFI_NO_MEDIA) {\r |
e237e7ae | 282 | break;\r |
283 | }\r | |
284 | //\r | |
19bc8527 | 285 | // If the sense data shows the drive is not ready, we need execute the cmd again.\r |
286 | // We limit the upper boundary to 60 seconds.\r | |
e237e7ae | 287 | //\r |
19bc8527 | 288 | if (Status == EFI_NOT_READY) {\r |
289 | continue;\r | |
e237e7ae | 290 | }\r |
19bc8527 | 291 | //\r |
292 | // If the status is other error, then just retry 5 times.\r | |
293 | //\r | |
294 | if (Retry++ >= USB_BOOT_COMMAND_RETRY) {\r | |
295 | break;\r | |
296 | }\r | |
297 | }\r | |
298 | \r | |
299 | EXIT:\r | |
300 | if (TimeoutEvt != NULL) {\r | |
301 | gBS->CloseEvent (TimeoutEvt);\r | |
e237e7ae | 302 | }\r |
303 | \r | |
304 | return Status;\r | |
305 | }\r | |
306 | \r | |
307 | \r | |
e237e7ae | 308 | /**\r |
d80ed2a7 | 309 | Execute TEST UNIT READY command to check if the device is ready.\r |
e237e7ae | 310 | \r |
311 | @param UsbMass The device to test\r | |
312 | \r | |
d80ed2a7 | 313 | @retval EFI_SUCCESS The device is ready.\r |
e237e7ae | 314 | @retval Others Device not ready.\r |
315 | \r | |
316 | **/\r | |
317 | EFI_STATUS\r | |
318 | UsbBootIsUnitReady (\r | |
319 | IN USB_MASS_DEVICE *UsbMass\r | |
320 | )\r | |
321 | {\r | |
322 | USB_BOOT_TEST_UNIT_READY_CMD TestCmd;\r | |
323 | \r | |
324 | ZeroMem (&TestCmd, sizeof (USB_BOOT_TEST_UNIT_READY_CMD));\r | |
325 | \r | |
326 | TestCmd.OpCode = USB_BOOT_TEST_UNIT_READY_OPCODE;\r | |
c52fa98c | 327 | TestCmd.Lun = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));\r |
e237e7ae | 328 | \r |
329 | return UsbBootExecCmdWithRetry (\r | |
330 | UsbMass,\r | |
331 | &TestCmd,\r | |
c9325700 | 332 | (UINT8) sizeof (USB_BOOT_TEST_UNIT_READY_CMD),\r |
e237e7ae | 333 | EfiUsbNoData,\r |
334 | NULL,\r | |
335 | 0,\r | |
336 | USB_BOOT_GENERAL_CMD_TIMEOUT\r | |
337 | );\r | |
338 | }\r | |
339 | \r | |
340 | \r | |
341 | /**\r | |
d80ed2a7 | 342 | Execute INQUIRY Command to request information regarding parameters of\r |
343 | the device be sent to the host computer.\r | |
e237e7ae | 344 | \r |
d80ed2a7 | 345 | @param UsbMass The device to inquire.\r |
e237e7ae | 346 | \r |
d80ed2a7 | 347 | @retval EFI_SUCCESS INQUIRY Command is executed successfully.\r |
348 | @retval Others INQUIRY Command is not executed successfully.\r | |
e237e7ae | 349 | \r |
350 | **/\r | |
351 | EFI_STATUS\r | |
352 | UsbBootInquiry (\r | |
353 | IN USB_MASS_DEVICE *UsbMass\r | |
354 | )\r | |
355 | {\r | |
356 | USB_BOOT_INQUIRY_CMD InquiryCmd;\r | |
e237e7ae | 357 | EFI_BLOCK_IO_MEDIA *Media;\r |
358 | EFI_STATUS Status;\r | |
359 | \r | |
360 | Media = &(UsbMass->BlockIoMedia);\r | |
361 | \r | |
e237e7ae | 362 | ZeroMem (&InquiryCmd, sizeof (USB_BOOT_INQUIRY_CMD));\r |
39840c50 | 363 | ZeroMem (&UsbMass->InquiryData, sizeof (USB_BOOT_INQUIRY_DATA));\r |
e237e7ae | 364 | \r |
365 | InquiryCmd.OpCode = USB_BOOT_INQUIRY_OPCODE;\r | |
c52fa98c | 366 | InquiryCmd.Lun = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));\r |
39840c50 | 367 | InquiryCmd.AllocLen = (UINT8) sizeof (USB_BOOT_INQUIRY_DATA);\r |
e237e7ae | 368 | \r |
369 | Status = UsbBootExecCmdWithRetry (\r | |
370 | UsbMass,\r | |
371 | &InquiryCmd,\r | |
c9325700 | 372 | (UINT8) sizeof (USB_BOOT_INQUIRY_CMD),\r |
e237e7ae | 373 | EfiUsbDataIn,\r |
39840c50 | 374 | &UsbMass->InquiryData,\r |
e237e7ae | 375 | sizeof (USB_BOOT_INQUIRY_DATA),\r |
50fa1b3a | 376 | USB_BOOT_GENERAL_CMD_TIMEOUT\r |
e237e7ae | 377 | );\r |
378 | if (EFI_ERROR (Status)) {\r | |
379 | return Status;\r | |
380 | }\r | |
381 | \r | |
d80ed2a7 | 382 | //\r |
383 | // Get information from PDT (Peripheral Device Type) field and Removable Medium Bit\r | |
384 | // from the inquiry data.\r | |
385 | //\r | |
39840c50 | 386 | UsbMass->Pdt = (UINT8) (USB_BOOT_PDT (UsbMass->InquiryData.Pdt));\r |
387 | Media->RemovableMedia = (BOOLEAN) (USB_BOOT_REMOVABLE (UsbMass->InquiryData.Removable));\r | |
e237e7ae | 388 | //\r |
d80ed2a7 | 389 | // Set block size to the default value of 512 Bytes, in case no media is present at first time.\r |
e237e7ae | 390 | //\r |
391 | Media->BlockSize = 0x0200;\r | |
392 | \r | |
393 | return Status;\r | |
394 | }\r | |
395 | \r | |
99c1725e | 396 | /**\r |
397 | Execute READ CAPACITY 16 bytes command to request information regarding\r | |
398 | the capacity of the installed medium of the device.\r | |
399 | \r | |
400 | This function executes READ CAPACITY 16 bytes command to get the capacity\r | |
401 | of the USB mass storage media, including the presence, block size,\r | |
402 | and last block number.\r | |
403 | \r | |
404 | @param UsbMass The device to retireve disk gemotric.\r | |
405 | \r | |
406 | @retval EFI_SUCCESS The disk geometry is successfully retrieved.\r | |
407 | @retval EFI_NOT_READY The returned block size is zero.\r | |
408 | @retval Other READ CAPACITY 16 bytes command execution failed.\r | |
d1102dba | 409 | \r |
99c1725e | 410 | **/\r |
411 | EFI_STATUS\r | |
412 | UsbBootReadCapacity16 (\r | |
413 | IN USB_MASS_DEVICE *UsbMass\r | |
414 | )\r | |
415 | {\r | |
416 | UINT8 CapacityCmd[16];\r | |
417 | EFI_SCSI_DISK_CAPACITY_DATA16 CapacityData;\r | |
418 | EFI_BLOCK_IO_MEDIA *Media;\r | |
419 | EFI_STATUS Status;\r | |
420 | UINT32 BlockSize;\r | |
421 | \r | |
422 | Media = &UsbMass->BlockIoMedia;\r | |
423 | \r | |
424 | Media->MediaPresent = FALSE;\r | |
425 | Media->LastBlock = 0;\r | |
426 | Media->BlockSize = 0;\r | |
427 | \r | |
428 | ZeroMem (CapacityCmd, sizeof (CapacityCmd));\r | |
429 | ZeroMem (&CapacityData, sizeof (CapacityData));\r | |
430 | \r | |
431 | CapacityCmd[0] = EFI_SCSI_OP_READ_CAPACITY16;\r | |
432 | CapacityCmd[1] = 0x10;\r | |
433 | //\r | |
434 | // Partial medium indicator, set the bytes 2 ~ 9 of the Cdb as ZERO.\r | |
435 | //\r | |
436 | ZeroMem ((CapacityCmd + 2), 8);\r | |
437 | \r | |
438 | CapacityCmd[13] = sizeof (CapacityData);\r | |
d1102dba | 439 | \r |
99c1725e | 440 | Status = UsbBootExecCmdWithRetry (\r |
441 | UsbMass,\r | |
442 | CapacityCmd,\r | |
443 | (UINT8) sizeof (CapacityCmd),\r | |
444 | EfiUsbDataIn,\r | |
445 | &CapacityData,\r | |
446 | sizeof (CapacityData),\r | |
447 | USB_BOOT_GENERAL_CMD_TIMEOUT\r | |
448 | );\r | |
449 | if (EFI_ERROR (Status)) {\r | |
450 | return Status;\r | |
451 | }\r | |
452 | \r | |
453 | //\r | |
454 | // Get the information on media presence, block size, and last block number\r | |
455 | // from READ CAPACITY data.\r | |
456 | //\r | |
457 | Media->MediaPresent = TRUE;\r | |
458 | Media->LastBlock = SwapBytes64 (ReadUnaligned64 ((CONST UINT64 *) &(CapacityData.LastLba7)));\r | |
459 | \r | |
460 | BlockSize = SwapBytes32 (ReadUnaligned32 ((CONST UINT32 *) &(CapacityData.BlockSize3)));\r | |
d1102dba | 461 | \r |
99c1725e | 462 | Media->LowestAlignedLba = (CapacityData.LowestAlignLogic2 << 8) |\r |
463 | CapacityData.LowestAlignLogic1;\r | |
464 | Media->LogicalBlocksPerPhysicalBlock = (1 << CapacityData.LogicPerPhysical);\r | |
465 | if (BlockSize == 0) {\r | |
466 | //\r | |
d1102dba | 467 | // Get sense data\r |
99c1725e | 468 | //\r |
469 | return UsbBootRequestSense (UsbMass);\r | |
470 | } else {\r | |
471 | Media->BlockSize = BlockSize;\r | |
472 | }\r | |
473 | \r | |
474 | return Status;\r | |
475 | }\r | |
476 | \r | |
e237e7ae | 477 | \r |
478 | /**\r | |
d80ed2a7 | 479 | Execute READ CAPACITY command to request information regarding\r |
480 | the capacity of the installed medium of the device.\r | |
481 | \r | |
482 | This function executes READ CAPACITY command to get the capacity\r | |
483 | of the USB mass storage media, including the presence, block size,\r | |
484 | and last block number.\r | |
e237e7ae | 485 | \r |
486 | @param UsbMass The device to retireve disk gemotric.\r | |
487 | \r | |
d80ed2a7 | 488 | @retval EFI_SUCCESS The disk geometry is successfully retrieved.\r |
489 | @retval EFI_NOT_READY The returned block size is zero.\r | |
490 | @retval Other READ CAPACITY command execution failed.\r | |
d1102dba | 491 | \r |
e237e7ae | 492 | **/\r |
493 | EFI_STATUS\r | |
494 | UsbBootReadCapacity (\r | |
495 | IN USB_MASS_DEVICE *UsbMass\r | |
496 | )\r | |
497 | {\r | |
498 | USB_BOOT_READ_CAPACITY_CMD CapacityCmd;\r | |
499 | USB_BOOT_READ_CAPACITY_DATA CapacityData;\r | |
500 | EFI_BLOCK_IO_MEDIA *Media;\r | |
501 | EFI_STATUS Status;\r | |
88e349f1 | 502 | UINT32 BlockSize;\r |
e237e7ae | 503 | \r |
504 | Media = &UsbMass->BlockIoMedia;\r | |
505 | \r | |
e237e7ae | 506 | ZeroMem (&CapacityCmd, sizeof (USB_BOOT_READ_CAPACITY_CMD));\r |
507 | ZeroMem (&CapacityData, sizeof (USB_BOOT_READ_CAPACITY_DATA));\r | |
508 | \r | |
509 | CapacityCmd.OpCode = USB_BOOT_READ_CAPACITY_OPCODE;\r | |
c52fa98c | 510 | CapacityCmd.Lun = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));\r |
e237e7ae | 511 | \r |
512 | Status = UsbBootExecCmdWithRetry (\r | |
513 | UsbMass,\r | |
514 | &CapacityCmd,\r | |
c9325700 | 515 | (UINT8) sizeof (USB_BOOT_READ_CAPACITY_CMD),\r |
e237e7ae | 516 | EfiUsbDataIn,\r |
517 | &CapacityData,\r | |
518 | sizeof (USB_BOOT_READ_CAPACITY_DATA),\r | |
519 | USB_BOOT_GENERAL_CMD_TIMEOUT\r | |
520 | );\r | |
521 | if (EFI_ERROR (Status)) {\r | |
522 | return Status;\r | |
523 | }\r | |
524 | \r | |
d80ed2a7 | 525 | //\r |
526 | // Get the information on media presence, block size, and last block number\r | |
527 | // from READ CAPACITY data.\r | |
528 | //\r | |
e237e7ae | 529 | Media->MediaPresent = TRUE;\r |
d80ed2a7 | 530 | Media->LastBlock = SwapBytes32 (ReadUnaligned32 ((CONST UINT32 *) CapacityData.LastLba));\r |
e237e7ae | 531 | \r |
88e349f1 | 532 | BlockSize = SwapBytes32 (ReadUnaligned32 ((CONST UINT32 *) CapacityData.BlockLen));\r |
533 | if (BlockSize == 0) {\r | |
efe9186f | 534 | //\r |
d1102dba | 535 | // Get sense data\r |
efe9186f | 536 | //\r |
537 | return UsbBootRequestSense (UsbMass);\r | |
88e349f1 | 538 | } else {\r |
539 | Media->BlockSize = BlockSize;\r | |
50fa1b3a | 540 | }\r |
541 | \r | |
99c1725e | 542 | if (Media->LastBlock == 0xFFFFFFFF) {\r |
543 | Status = UsbBootReadCapacity16 (UsbMass);\r | |
544 | if (!EFI_ERROR (Status)) {\r | |
545 | UsbMass->Cdb16Byte = TRUE;\r | |
546 | }\r | |
547 | }\r | |
548 | \r | |
efe9186f | 549 | return Status;\r |
e237e7ae | 550 | }\r |
551 | \r | |
e237e7ae | 552 | /**\r |
d80ed2a7 | 553 | Retrieves SCSI mode sense information via MODE SENSE(6) command.\r |
e237e7ae | 554 | \r |
d80ed2a7 | 555 | @param UsbMass The device whose sense data is requested.\r |
e237e7ae | 556 | \r |
d80ed2a7 | 557 | @retval EFI_SUCCESS SCSI mode sense information retrieved successfully.\r |
558 | @retval Other Command execution failed.\r | |
e237e7ae | 559 | \r |
560 | **/\r | |
561 | EFI_STATUS\r | |
50fa1b3a | 562 | UsbScsiModeSense (\r |
e237e7ae | 563 | IN USB_MASS_DEVICE *UsbMass\r |
564 | )\r | |
565 | {\r | |
ca12415a | 566 | EFI_STATUS Status;\r |
50fa1b3a | 567 | USB_SCSI_MODE_SENSE6_CMD ModeSenseCmd;\r |
568 | USB_SCSI_MODE_SENSE6_PARA_HEADER ModeParaHeader;\r | |
569 | EFI_BLOCK_IO_MEDIA *Media;\r | |
570 | \r | |
ca12415a | 571 | Media = &UsbMass->BlockIoMedia;\r |
e237e7ae | 572 | \r |
50fa1b3a | 573 | ZeroMem (&ModeSenseCmd, sizeof (USB_SCSI_MODE_SENSE6_CMD));\r |
574 | ZeroMem (&ModeParaHeader, sizeof (USB_SCSI_MODE_SENSE6_PARA_HEADER));\r | |
e237e7ae | 575 | \r |
576 | //\r | |
d80ed2a7 | 577 | // MODE SENSE(6) command is defined in Section 8.2.10 of SCSI-2 Spec\r |
e237e7ae | 578 | //\r |
50fa1b3a | 579 | ModeSenseCmd.OpCode = USB_SCSI_MODE_SENSE6_OPCODE;\r |
687a2e5f | 580 | ModeSenseCmd.Lun = (UINT8) USB_BOOT_LUN (UsbMass->Lun);\r |
50fa1b3a | 581 | ModeSenseCmd.PageCode = 0x3F;\r |
582 | ModeSenseCmd.AllocateLen = (UINT8) sizeof (USB_SCSI_MODE_SENSE6_PARA_HEADER);\r | |
e237e7ae | 583 | \r |
584 | Status = UsbBootExecCmdWithRetry (\r | |
585 | UsbMass,\r | |
586 | &ModeSenseCmd,\r | |
c9325700 | 587 | (UINT8) sizeof (USB_SCSI_MODE_SENSE6_CMD),\r |
e237e7ae | 588 | EfiUsbDataIn,\r |
589 | &ModeParaHeader,\r | |
50fa1b3a | 590 | sizeof (USB_SCSI_MODE_SENSE6_PARA_HEADER),\r |
e237e7ae | 591 | USB_BOOT_GENERAL_CMD_TIMEOUT\r |
592 | );\r | |
50fa1b3a | 593 | \r |
e237e7ae | 594 | //\r |
d80ed2a7 | 595 | // Format of device-specific parameter byte of the mode parameter header is defined in\r |
596 | // Section 8.2.10 of SCSI-2 Spec.\r | |
597 | // BIT7 of this byte is indicates whether the medium is write protected.\r | |
e237e7ae | 598 | //\r |
50fa1b3a | 599 | if (!EFI_ERROR (Status)) {\r |
d80ed2a7 | 600 | Media->ReadOnly = (BOOLEAN) ((ModeParaHeader.DevicePara & BIT7) != 0);\r |
50fa1b3a | 601 | }\r |
e237e7ae | 602 | \r |
603 | return Status;\r | |
604 | }\r | |
605 | \r | |
606 | \r | |
607 | /**\r | |
d80ed2a7 | 608 | Get the parameters for the USB mass storage media.\r |
609 | \r | |
610 | This function get the parameters for the USB mass storage media,\r | |
611 | It is used both to initialize the media during the Start() phase\r | |
612 | of Driver Binding Protocol and to re-initialize it when the media is\r | |
e237e7ae | 613 | changed. Althought the RemoveableMedia is unlikely to change,\r |
d80ed2a7 | 614 | it is also included here.\r |
e237e7ae | 615 | \r |
d80ed2a7 | 616 | @param UsbMass The device to retrieve disk gemotric.\r |
e237e7ae | 617 | \r |
618 | @retval EFI_SUCCESS The disk gemotric is successfully retrieved.\r | |
d80ed2a7 | 619 | @retval Other Failed to get the parameters.\r |
e237e7ae | 620 | \r |
621 | **/\r | |
622 | EFI_STATUS\r | |
623 | UsbBootGetParams (\r | |
624 | IN USB_MASS_DEVICE *UsbMass\r | |
625 | )\r | |
626 | {\r | |
627 | EFI_BLOCK_IO_MEDIA *Media;\r | |
628 | EFI_STATUS Status;\r | |
50fa1b3a | 629 | \r |
ca12415a | 630 | Media = &(UsbMass->BlockIoMedia);\r |
e237e7ae | 631 | \r |
632 | Status = UsbBootInquiry (UsbMass);\r | |
633 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 634 | DEBUG ((EFI_D_ERROR, "UsbBootGetParams: UsbBootInquiry (%r)\n", Status));\r |
e237e7ae | 635 | return Status;\r |
636 | }\r | |
637 | \r | |
66a5771e TF |
638 | //\r |
639 | // According to USB Mass Storage Specification for Bootability, only following\r | |
640 | // 4 Peripheral Device Types are in spec.\r | |
641 | //\r | |
642 | if ((UsbMass->Pdt != USB_PDT_DIRECT_ACCESS) &&\r | |
643 | (UsbMass->Pdt != USB_PDT_CDROM) &&\r | |
644 | (UsbMass->Pdt != USB_PDT_OPTICAL) &&\r | |
645 | (UsbMass->Pdt != USB_PDT_SIMPLE_DIRECT)) {\r | |
646 | DEBUG ((EFI_D_ERROR, "UsbBootGetParams: Found an unsupported peripheral type[%d]\n", UsbMass->Pdt));\r | |
647 | return EFI_UNSUPPORTED;\r | |
648 | }\r | |
649 | \r | |
e237e7ae | 650 | //\r |
d80ed2a7 | 651 | // Don't use the Removable bit in inquiry data to test whether the media\r |
e237e7ae | 652 | // is removable because many flash disks wrongly set this bit.\r |
653 | //\r | |
654 | if ((UsbMass->Pdt == USB_PDT_CDROM) || (UsbMass->Pdt == USB_PDT_OPTICAL)) {\r | |
655 | //\r | |
50fa1b3a | 656 | // CD-Rom device and Non-CD optical device\r |
e237e7ae | 657 | //\r |
658 | UsbMass->OpticalStorage = TRUE;\r | |
659 | //\r | |
660 | // Default value 2048 Bytes, in case no media present at first time\r | |
661 | //\r | |
662 | Media->BlockSize = 0x0800;\r | |
50fa1b3a | 663 | }\r |
664 | \r | |
19d76ae6 | 665 | Status = UsbBootDetectMedia (UsbMass);\r |
e237e7ae | 666 | \r |
19d76ae6 | 667 | return Status;\r |
e237e7ae | 668 | }\r |
669 | \r | |
670 | \r | |
671 | /**\r | |
672 | Detect whether the removable media is present and whether it has changed.\r | |
e237e7ae | 673 | \r |
d80ed2a7 | 674 | @param UsbMass The device to check.\r |
e237e7ae | 675 | \r |
d80ed2a7 | 676 | @retval EFI_SUCCESS The media status is successfully checked.\r |
677 | @retval Other Failed to detect media.\r | |
e237e7ae | 678 | \r |
679 | **/\r | |
680 | EFI_STATUS\r | |
681 | UsbBootDetectMedia (\r | |
682 | IN USB_MASS_DEVICE *UsbMass\r | |
683 | )\r | |
684 | {\r | |
685 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
686 | EFI_BLOCK_IO_MEDIA *Media;\r | |
50fa1b3a | 687 | UINT8 CmdSet;\r |
e237e7ae | 688 | EFI_STATUS Status;\r |
689 | \r | |
690 | Media = &UsbMass->BlockIoMedia;\r | |
e61d30b0 | 691 | \r |
d80ed2a7 | 692 | CopyMem (&OldMedia, &(UsbMass->BlockIoMedia), sizeof (EFI_BLOCK_IO_MEDIA));\r |
e237e7ae | 693 | \r |
50fa1b3a | 694 | CmdSet = ((EFI_USB_INTERFACE_DESCRIPTOR *) (UsbMass->Context))->InterfaceSubClass;\r |
695 | \r | |
e237e7ae | 696 | Status = UsbBootIsUnitReady (UsbMass);\r |
06e24096 RN |
697 | if (EFI_ERROR (Status)) {\r |
698 | DEBUG ((EFI_D_ERROR, "UsbBootDetectMedia: UsbBootIsUnitReady (%r)\n", Status));\r | |
e237e7ae | 699 | }\r |
50fa1b3a | 700 | \r |
06e24096 RN |
701 | //\r |
702 | // Status could be:\r | |
703 | // EFI_SUCCESS: all good.\r | |
704 | // EFI_NO_MEDIA: media is not present.\r | |
705 | // others: HW error.\r | |
706 | // For either EFI_NO_MEDIA, or HW error, skip to get WriteProtected and capacity information.\r | |
707 | //\r | |
708 | if (!EFI_ERROR (Status)) {\r | |
709 | if ((UsbMass->Pdt != USB_PDT_CDROM) && (CmdSet == USB_MASS_STORE_SCSI)) {\r | |
710 | //\r | |
711 | // MODE SENSE is required for the device with PDT of 0x00/0x07/0x0E,\r | |
712 | // according to Section 4 of USB Mass Storage Specification for Bootability.\r | |
713 | // MODE SENSE(10) is useless here, while MODE SENSE(6) defined in SCSI\r | |
714 | // could get the information of Write Protected.\r | |
715 | // Since not all device support this command, skip if fail.\r | |
716 | //\r | |
717 | UsbScsiModeSense (UsbMass);\r | |
718 | }\r | |
50fa1b3a | 719 | \r |
06e24096 RN |
720 | Status = UsbBootReadCapacity (UsbMass);\r |
721 | if (EFI_ERROR (Status)) {\r | |
722 | DEBUG ((EFI_D_ERROR, "UsbBootDetectMedia: UsbBootReadCapacity (%r)\n", Status));\r | |
723 | }\r | |
e237e7ae | 724 | }\r |
725 | \r | |
06e24096 RN |
726 | if (EFI_ERROR (Status) && Status != EFI_NO_MEDIA) {\r |
727 | //\r | |
728 | // For NoMedia, BlockIo is still needed.\r | |
729 | //\r | |
730 | return Status;\r | |
731 | }\r | |
50fa1b3a | 732 | \r |
25d310d9 RN |
733 | //\r |
734 | // Simply reject device whose block size is unacceptable small (==0) or large (>64K).\r | |
735 | //\r | |
736 | if ((Media->BlockSize == 0) || (Media->BlockSize > USB_BOOT_MAX_CARRY_SIZE)) {\r | |
737 | return EFI_DEVICE_ERROR;\r | |
738 | }\r | |
739 | \r | |
e237e7ae | 740 | //\r |
d80ed2a7 | 741 | // Detect whether it is necessary to reinstall the Block I/O Protocol.\r |
e237e7ae | 742 | //\r |
50fa1b3a | 743 | // MediaId may change in RequestSense for MediaChanged\r |
744 | // MediaPresent may change in RequestSense for NoMedia\r | |
745 | // MediaReadOnly may change in RequestSense for WriteProtected or MediaChanged\r | |
746 | // MediaPresent/BlockSize/LastBlock may change in ReadCapacity\r | |
747 | //\r | |
e237e7ae | 748 | if ((Media->MediaId != OldMedia.MediaId) ||\r |
749 | (Media->MediaPresent != OldMedia.MediaPresent) ||\r | |
750 | (Media->ReadOnly != OldMedia.ReadOnly) ||\r | |
751 | (Media->BlockSize != OldMedia.BlockSize) ||\r | |
752 | (Media->LastBlock != OldMedia.LastBlock)) {\r | |
50fa1b3a | 753 | \r |
d80ed2a7 | 754 | //\r |
cd626ef0 RN |
755 | // This function is called from:\r |
756 | // Block I/O Protocol APIs, which run at TPL_CALLBACK.\r | |
757 | // DriverBindingStart(), which raises to TPL_CALLBACK.\r | |
758 | ASSERT (EfiGetCurrentTpl () == TPL_CALLBACK);\r | |
50fa1b3a | 759 | \r |
06e24096 RN |
760 | //\r |
761 | // When it is called from DriverBindingStart(), below reinstall fails.\r | |
762 | // So ignore the return status check.\r | |
763 | //\r | |
e237e7ae | 764 | gBS->ReinstallProtocolInterface (\r |
765 | UsbMass->Controller,\r | |
766 | &gEfiBlockIoProtocolGuid,\r | |
767 | &UsbMass->BlockIo,\r | |
768 | &UsbMass->BlockIo\r | |
769 | );\r | |
50fa1b3a | 770 | \r |
e237e7ae | 771 | //\r |
06e24096 | 772 | // Reset MediaId after reinstalling Block I/O Protocol.\r |
e237e7ae | 773 | //\r |
50fa1b3a | 774 | if (Media->MediaPresent != OldMedia.MediaPresent) {\r |
d80ed2a7 | 775 | if (Media->MediaPresent) {\r |
50fa1b3a | 776 | Media->MediaId = 1;\r |
777 | } else {\r | |
778 | Media->MediaId = 0;\r | |
779 | }\r | |
e237e7ae | 780 | }\r |
50fa1b3a | 781 | \r |
782 | if ((Media->ReadOnly != OldMedia.ReadOnly) ||\r | |
783 | (Media->BlockSize != OldMedia.BlockSize) ||\r | |
784 | (Media->LastBlock != OldMedia.LastBlock)) {\r | |
785 | Media->MediaId++;\r | |
e237e7ae | 786 | }\r |
06e24096 RN |
787 | \r |
788 | Status = Media->MediaPresent ? EFI_MEDIA_CHANGED : EFI_NO_MEDIA;\r | |
e237e7ae | 789 | }\r |
790 | \r | |
791 | return Status;\r | |
792 | }\r | |
793 | \r | |
794 | \r | |
795 | /**\r | |
e59db6a7 | 796 | Read or write some blocks from the device.\r |
e237e7ae | 797 | \r |
e59db6a7 RN |
798 | @param UsbMass The USB mass storage device to access\r |
799 | @param Write TRUE for write operation.\r | |
e237e7ae | 800 | @param Lba The start block number\r |
e59db6a7 RN |
801 | @param TotalBlock Total block number to read or write\r |
802 | @param Buffer The buffer to read to or write from\r | |
e237e7ae | 803 | \r |
e59db6a7 RN |
804 | @retval EFI_SUCCESS Data are read into the buffer or writen into the device.\r |
805 | @retval Others Failed to read or write all the data\r | |
e237e7ae | 806 | \r |
807 | **/\r | |
808 | EFI_STATUS\r | |
e59db6a7 | 809 | UsbBootReadWriteBlocks (\r |
e237e7ae | 810 | IN USB_MASS_DEVICE *UsbMass,\r |
e59db6a7 | 811 | IN BOOLEAN Write,\r |
e237e7ae | 812 | IN UINT32 Lba,\r |
813 | IN UINTN TotalBlock,\r | |
e59db6a7 | 814 | IN OUT UINT8 *Buffer\r |
e237e7ae | 815 | )\r |
816 | {\r | |
e59db6a7 RN |
817 | USB_BOOT_READ_WRITE_10_CMD Cmd;\r |
818 | EFI_STATUS Status;\r | |
4f8b2f9d RN |
819 | UINT32 Count;\r |
820 | UINT32 CountMax;\r | |
e59db6a7 RN |
821 | UINT32 BlockSize;\r |
822 | UINT32 ByteSize;\r | |
823 | UINT32 Timeout;\r | |
e237e7ae | 824 | \r |
825 | BlockSize = UsbMass->BlockIoMedia.BlockSize;\r | |
4f8b2f9d | 826 | CountMax = USB_BOOT_MAX_CARRY_SIZE / BlockSize;\r |
e237e7ae | 827 | Status = EFI_SUCCESS;\r |
828 | \r | |
829 | while (TotalBlock > 0) {\r | |
830 | //\r | |
831 | // Split the total blocks into smaller pieces to ease the pressure\r | |
832 | // on the device. We must split the total block because the READ10\r | |
833 | // command only has 16 bit transfer length (in the unit of block).\r | |
834 | //\r | |
4f8b2f9d RN |
835 | Count = (UINT32)MIN (TotalBlock, CountMax);\r |
836 | Count = MIN (MAX_UINT16, Count);\r | |
837 | ByteSize = Count * BlockSize;\r | |
e237e7ae | 838 | \r |
839 | //\r | |
50fa1b3a | 840 | // USB command's upper limit timeout is 5s. [USB2.0-9.2.6.1]\r |
e237e7ae | 841 | //\r |
50fa1b3a | 842 | Timeout = (UINT32) USB_BOOT_GENERAL_CMD_TIMEOUT;\r |
e237e7ae | 843 | \r |
844 | //\r | |
845 | // Fill in the command then execute\r | |
846 | //\r | |
e59db6a7 | 847 | ZeroMem (&Cmd, sizeof (USB_BOOT_READ_WRITE_10_CMD));\r |
e237e7ae | 848 | \r |
e59db6a7 RN |
849 | Cmd.OpCode = Write ? USB_BOOT_WRITE10_OPCODE : USB_BOOT_READ10_OPCODE;\r |
850 | Cmd.Lun = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));\r | |
851 | WriteUnaligned32 ((UINT32 *) Cmd.Lba, SwapBytes32 (Lba));\r | |
4f8b2f9d | 852 | WriteUnaligned16 ((UINT16 *) Cmd.TransferLen, SwapBytes16 ((UINT16)Count));\r |
e237e7ae | 853 | \r |
854 | Status = UsbBootExecCmdWithRetry (\r | |
855 | UsbMass,\r | |
e59db6a7 RN |
856 | &Cmd,\r |
857 | (UINT8) sizeof (USB_BOOT_READ_WRITE_10_CMD),\r | |
a58a421c | 858 | Write ? EfiUsbDataOut : EfiUsbDataIn,\r |
e237e7ae | 859 | Buffer,\r |
860 | ByteSize,\r | |
861 | Timeout\r | |
862 | );\r | |
863 | if (EFI_ERROR (Status)) {\r | |
864 | return Status;\r | |
865 | }\r | |
e59db6a7 RN |
866 | DEBUG ((\r |
867 | DEBUG_BLKIO, "UsbBoot%sBlocks: LBA (0x%lx), Blk (0x%x)\n",\r | |
868 | Write ? L"Write" : L"Read",\r | |
869 | Lba, Count\r | |
870 | ));\r | |
99c1725e | 871 | Lba += Count;\r |
4f8b2f9d | 872 | Buffer += ByteSize;\r |
99c1725e | 873 | TotalBlock -= Count;\r |
874 | }\r | |
875 | \r | |
876 | return Status;\r | |
877 | }\r | |
878 | \r | |
879 | /**\r | |
e59db6a7 | 880 | Read or write some blocks from the device by SCSI 16 byte cmd.\r |
99c1725e | 881 | \r |
e59db6a7 RN |
882 | @param UsbMass The USB mass storage device to access\r |
883 | @param Write TRUE for write operation.\r | |
99c1725e | 884 | @param Lba The start block number\r |
e59db6a7 RN |
885 | @param TotalBlock Total block number to read or write\r |
886 | @param Buffer The buffer to read to or write from\r | |
99c1725e | 887 | \r |
e59db6a7 RN |
888 | @retval EFI_SUCCESS Data are read into the buffer or writen into the device.\r |
889 | @retval Others Failed to read or write all the data\r | |
99c1725e | 890 | **/\r |
891 | EFI_STATUS\r | |
e59db6a7 | 892 | UsbBootReadWriteBlocks16 (\r |
99c1725e | 893 | IN USB_MASS_DEVICE *UsbMass,\r |
e59db6a7 | 894 | IN BOOLEAN Write,\r |
99c1725e | 895 | IN UINT64 Lba,\r |
896 | IN UINTN TotalBlock,\r | |
e59db6a7 | 897 | IN OUT UINT8 *Buffer\r |
99c1725e | 898 | )\r |
899 | {\r | |
e59db6a7 | 900 | UINT8 Cmd[16];\r |
99c1725e | 901 | EFI_STATUS Status;\r |
4f8b2f9d RN |
902 | UINT32 Count;\r |
903 | UINT32 CountMax;\r | |
99c1725e | 904 | UINT32 BlockSize;\r |
905 | UINT32 ByteSize;\r | |
906 | UINT32 Timeout;\r | |
907 | \r | |
908 | BlockSize = UsbMass->BlockIoMedia.BlockSize;\r | |
4f8b2f9d | 909 | CountMax = USB_BOOT_MAX_CARRY_SIZE / BlockSize;\r |
99c1725e | 910 | Status = EFI_SUCCESS;\r |
911 | \r | |
912 | while (TotalBlock > 0) {\r | |
913 | //\r | |
914 | // Split the total blocks into smaller pieces.\r | |
915 | //\r | |
4f8b2f9d RN |
916 | Count = (UINT32)MIN (TotalBlock, CountMax);\r |
917 | ByteSize = Count * BlockSize;\r | |
99c1725e | 918 | \r |
919 | //\r | |
920 | // USB command's upper limit timeout is 5s. [USB2.0-9.2.6.1]\r | |
921 | //\r | |
922 | Timeout = (UINT32) USB_BOOT_GENERAL_CMD_TIMEOUT;\r | |
923 | \r | |
924 | //\r | |
925 | // Fill in the command then execute\r | |
926 | //\r | |
e59db6a7 | 927 | ZeroMem (Cmd, sizeof (Cmd));\r |
99c1725e | 928 | \r |
e59db6a7 RN |
929 | Cmd[0] = Write ? EFI_SCSI_OP_WRITE16 : EFI_SCSI_OP_READ16;\r |
930 | Cmd[1] = (UINT8) ((USB_BOOT_LUN (UsbMass->Lun) & 0xE0));\r | |
931 | WriteUnaligned64 ((UINT64 *) &Cmd[2], SwapBytes64 (Lba));\r | |
932 | WriteUnaligned32 ((UINT32 *) &Cmd[10], SwapBytes32 (Count));\r | |
99c1725e | 933 | \r |
934 | Status = UsbBootExecCmdWithRetry (\r | |
935 | UsbMass,\r | |
e59db6a7 RN |
936 | Cmd,\r |
937 | (UINT8) sizeof (Cmd),\r | |
a58a421c | 938 | Write ? EfiUsbDataOut : EfiUsbDataIn,\r |
99c1725e | 939 | Buffer,\r |
940 | ByteSize,\r | |
941 | Timeout\r | |
942 | );\r | |
943 | if (EFI_ERROR (Status)) {\r | |
944 | return Status;\r | |
945 | }\r | |
e59db6a7 RN |
946 | DEBUG ((\r |
947 | DEBUG_BLKIO, "UsbBoot%sBlocks16: LBA (0x%lx), Blk (0x%x)\n",\r | |
948 | Write ? L"Write" : L"Read",\r | |
949 | Lba, Count\r | |
950 | ));\r | |
e237e7ae | 951 | Lba += Count;\r |
4f8b2f9d | 952 | Buffer += ByteSize;\r |
e237e7ae | 953 | TotalBlock -= Count;\r |
954 | }\r | |
955 | \r | |
956 | return Status;\r | |
957 | }\r | |
958 | \r | |
e237e7ae | 959 | /**\r |
d80ed2a7 | 960 | Use the USB clear feature control transfer to clear the endpoint stall condition.\r |
e237e7ae | 961 | \r |
d80ed2a7 | 962 | @param UsbIo The USB I/O Protocol instance\r |
e237e7ae | 963 | @param EndpointAddr The endpoint to clear stall for\r |
964 | \r | |
d80ed2a7 | 965 | @retval EFI_SUCCESS The endpoint stall condition is cleared.\r |
966 | @retval Others Failed to clear the endpoint stall condition.\r | |
e237e7ae | 967 | \r |
968 | **/\r | |
969 | EFI_STATUS\r | |
970 | UsbClearEndpointStall (\r | |
971 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
972 | IN UINT8 EndpointAddr\r | |
973 | )\r | |
974 | {\r | |
975 | EFI_USB_DEVICE_REQUEST Request;\r | |
976 | EFI_STATUS Status;\r | |
977 | UINT32 CmdResult;\r | |
978 | UINT32 Timeout;\r | |
979 | \r | |
980 | Request.RequestType = 0x02;\r | |
981 | Request.Request = USB_REQ_CLEAR_FEATURE;\r | |
982 | Request.Value = USB_FEATURE_ENDPOINT_HALT;\r | |
983 | Request.Index = EndpointAddr;\r | |
984 | Request.Length = 0;\r | |
41e8ff27 | 985 | Timeout = USB_BOOT_GENERAL_CMD_TIMEOUT / USB_MASS_1_MILLISECOND;\r |
e237e7ae | 986 | \r |
987 | Status = UsbIo->UsbControlTransfer (\r | |
988 | UsbIo,\r | |
989 | &Request,\r | |
990 | EfiUsbNoData,\r | |
991 | Timeout,\r | |
992 | NULL,\r | |
993 | 0,\r | |
994 | &CmdResult\r | |
995 | );\r | |
996 | \r | |
997 | return Status;\r | |
998 | }\r |