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e237e7ae | 1 | /** @file\r |
2 | \r | |
c7e39923 | 3 | Copyright (c) 2007 - 2008, Intel Corporation\r |
e237e7ae | 4 | All rights reserved. This program and the accompanying materials\r |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | UsbMassImpl.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | The implementation of USB mass storage class device driver.\r | |
19 | The command set supported is "USB Mass Storage Specification\r | |
20 | for Bootability".\r | |
21 | \r | |
22 | Revision History\r | |
23 | \r | |
24 | \r | |
25 | **/\r | |
26 | \r | |
27 | #include "UsbMassImpl.h"\r | |
28 | \r | |
29 | //\r | |
30 | // The underlying transport protocol. CBI support isn't included\r | |
31 | // in the current build. It is being obseleted by the standard\r | |
32 | // body. If you want to enable it, remove the if directive here,\r | |
33 | // then add the UsbMassCbi.c/.h to the driver's inf file.\r | |
34 | //\r | |
35 | STATIC\r | |
36 | USB_MASS_TRANSPORT *mUsbMassTransport[] = {\r | |
37 | &mUsbCbi0Transport,\r | |
38 | &mUsbCbi1Transport,\r | |
39 | &mUsbBotTransport,\r | |
40 | NULL\r | |
41 | };\r | |
42 | \r | |
e237e7ae | 43 | /**\r |
44 | Reset the block device. ExtendedVerification is ignored for this.\r | |
45 | \r | |
46 | @param This The BLOCK IO protocol\r | |
47 | @param ExtendedVerification Whether to execute extended verfication.\r | |
48 | \r | |
49 | @retval EFI_SUCCESS The device is successfully resetted.\r | |
50 | @retval Others Failed to reset the device.\r | |
51 | \r | |
52 | **/\r | |
53 | EFI_STATUS\r | |
1c619535 | 54 | EFIAPI\r |
e237e7ae | 55 | UsbMassReset (\r |
56 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
57 | IN BOOLEAN ExtendedVerification\r | |
58 | )\r | |
59 | {\r | |
60 | USB_MASS_DEVICE *UsbMass;\r | |
41e8ff27 | 61 | EFI_TPL OldTpl;\r |
62 | EFI_STATUS Status;\r | |
63 | \r | |
64 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r | |
e237e7ae | 65 | \r |
66 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r | |
41e8ff27 | 67 | Status = UsbMass->Transport->Reset (UsbMass->Context, ExtendedVerification);\r |
68 | \r | |
69 | gBS->RestoreTPL (OldTpl);\r | |
70 | \r | |
71 | return Status;\r | |
e237e7ae | 72 | }\r |
73 | \r | |
e237e7ae | 74 | /**\r |
75 | Read some blocks of data from the block device.\r | |
76 | \r | |
77 | @param This The Block IO protocol\r | |
78 | @param MediaId The media's ID of the device for current request\r | |
79 | @param Lba The start block number\r | |
80 | @param BufferSize The size of buffer to read data in\r | |
81 | @param Buffer The buffer to read data to\r | |
82 | \r | |
83 | @retval EFI_SUCCESS The data is successfully read\r | |
84 | @retval EFI_NO_MEDIA Media isn't present\r | |
85 | @retval EFI_MEDIA_CHANGED The device media has been changed, that is,\r | |
86 | MediaId changed\r | |
87 | @retval EFI_INVALID_PARAMETER Some parameters are invalid, such as Buffer is\r | |
88 | NULL.\r | |
89 | @retval EFI_BAD_BUFFER_SIZE The buffer size isn't a multiple of media's block\r | |
90 | size, or overflow the last block number.\r | |
91 | \r | |
92 | **/\r | |
93 | EFI_STATUS\r | |
1c619535 | 94 | EFIAPI\r |
e237e7ae | 95 | UsbMassReadBlocks (\r |
96 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
97 | IN UINT32 MediaId,\r | |
98 | IN EFI_LBA Lba,\r | |
99 | IN UINTN BufferSize,\r | |
100 | OUT VOID *Buffer\r | |
101 | )\r | |
102 | {\r | |
103 | USB_MASS_DEVICE *UsbMass;\r | |
104 | EFI_BLOCK_IO_MEDIA *Media;\r | |
105 | EFI_STATUS Status;\r | |
41e8ff27 | 106 | EFI_TPL OldTpl;\r |
e237e7ae | 107 | UINTN TotalBlock;\r |
1c619535 | 108 | \r |
41e8ff27 | 109 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r |
e237e7ae | 110 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r |
111 | Media = &UsbMass->BlockIoMedia;\r | |
112 | \r | |
113 | //\r | |
114 | // First, validate the parameters\r | |
115 | //\r | |
116 | if ((Buffer == NULL) || (BufferSize == 0)) {\r | |
41e8ff27 | 117 | Status = EFI_INVALID_PARAMETER;\r |
118 | goto ON_EXIT;\r | |
e237e7ae | 119 | }\r |
1c619535 | 120 | \r |
e237e7ae | 121 | //\r |
41e8ff27 | 122 | // If it is a removable media, such as CD-Rom or Usb-Floppy,\r |
1c619535 | 123 | // need to detect the media before each rw. While some of\r |
41e8ff27 | 124 | // Usb-Flash is marked as removable media.\r |
1c619535 | 125 | //\r |
126 | //\r | |
41e8ff27 | 127 | if (Media->RemovableMedia == TRUE) {\r |
128 | Status = UsbBootDetectMedia (UsbMass);\r | |
129 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 130 | DEBUG ((EFI_D_ERROR, "UsbMassReadBlocks: UsbBootDetectMedia (%r)\n", Status));\r |
41e8ff27 | 131 | goto ON_EXIT;\r |
1c619535 | 132 | }\r |
e237e7ae | 133 | }\r |
1c619535 | 134 | \r |
e237e7ae | 135 | //\r |
136 | // Make sure BlockSize and LBA is consistent with BufferSize\r | |
137 | //\r | |
138 | if ((BufferSize % Media->BlockSize) != 0) {\r | |
41e8ff27 | 139 | Status = EFI_BAD_BUFFER_SIZE;\r |
140 | goto ON_EXIT;\r | |
e237e7ae | 141 | }\r |
142 | \r | |
143 | TotalBlock = BufferSize / Media->BlockSize;\r | |
144 | \r | |
145 | if (Lba + TotalBlock - 1 > Media->LastBlock) {\r | |
1c619535 | 146 | Status = EFI_INVALID_PARAMETER;\r |
147 | goto ON_EXIT;\r | |
148 | }\r | |
149 | \r | |
150 | if (!(Media->MediaPresent)) {\r | |
151 | Status = EFI_NO_MEDIA;\r | |
152 | goto ON_EXIT;\r | |
153 | }\r | |
154 | \r | |
155 | if (MediaId != Media->MediaId) {\r | |
156 | Status = EFI_MEDIA_CHANGED;\r | |
41e8ff27 | 157 | goto ON_EXIT;\r |
e237e7ae | 158 | }\r |
1c619535 | 159 | \r |
e237e7ae | 160 | Status = UsbBootReadBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);\r |
161 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 162 | DEBUG ((EFI_D_ERROR, "UsbMassReadBlocks: UsbBootReadBlocks (%r) -> Reset\n", Status));\r |
e237e7ae | 163 | UsbMassReset (This, TRUE);\r |
164 | }\r | |
165 | \r | |
41e8ff27 | 166 | ON_EXIT:\r |
167 | gBS->RestoreTPL (OldTpl);\r | |
e237e7ae | 168 | return Status;\r |
169 | }\r | |
170 | \r | |
171 | \r | |
172 | /**\r | |
173 | Write some blocks of data to the block device.\r | |
174 | \r | |
175 | @param This The Block IO protocol\r | |
176 | @param MediaId The media's ID of the device for current request\r | |
177 | @param Lba The start block number\r | |
178 | @param BufferSize The size of buffer to write data to\r | |
179 | @param Buffer The buffer to write data to\r | |
180 | \r | |
181 | @retval EFI_SUCCESS The data is successfully written\r | |
182 | @retval EFI_NO_MEDIA Media isn't present\r | |
183 | @retval EFI_MEDIA_CHANGED The device media has been changed, that is,\r | |
184 | MediaId changed\r | |
185 | @retval EFI_INVALID_PARAMETER Some parameters are invalid, such as Buffer is\r | |
186 | NULL.\r | |
187 | @retval EFI_BAD_BUFFER_SIZE The buffer size isn't a multiple of media's block\r | |
188 | size,\r | |
189 | \r | |
190 | **/\r | |
191 | EFI_STATUS\r | |
1c619535 | 192 | EFIAPI\r |
e237e7ae | 193 | UsbMassWriteBlocks (\r |
194 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
195 | IN UINT32 MediaId,\r | |
196 | IN EFI_LBA Lba,\r | |
197 | IN UINTN BufferSize,\r | |
198 | IN VOID *Buffer\r | |
199 | )\r | |
200 | {\r | |
201 | USB_MASS_DEVICE *UsbMass;\r | |
202 | EFI_BLOCK_IO_MEDIA *Media;\r | |
203 | EFI_STATUS Status;\r | |
41e8ff27 | 204 | EFI_TPL OldTpl;\r |
e237e7ae | 205 | UINTN TotalBlock;\r |
206 | \r | |
41e8ff27 | 207 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r |
e237e7ae | 208 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r |
209 | Media = &UsbMass->BlockIoMedia;\r | |
210 | \r | |
211 | //\r | |
212 | // First, validate the parameters\r | |
213 | //\r | |
214 | if ((Buffer == NULL) || (BufferSize == 0)) {\r | |
41e8ff27 | 215 | Status = EFI_INVALID_PARAMETER;\r |
216 | goto ON_EXIT;\r | |
e237e7ae | 217 | }\r |
1c619535 | 218 | \r |
e237e7ae | 219 | //\r |
41e8ff27 | 220 | // If it is a removable media, such as CD-Rom or Usb-Floppy,\r |
1c619535 | 221 | // need to detect the media before each rw. While some of\r |
41e8ff27 | 222 | // Usb-Flash is marked as removable media.\r |
1c619535 | 223 | //\r |
224 | //\r | |
41e8ff27 | 225 | if (Media->RemovableMedia == TRUE) {\r |
226 | Status = UsbBootDetectMedia (UsbMass);\r | |
227 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 228 | DEBUG ((EFI_D_ERROR, "UsbMassWriteBlocks: UsbBootDetectMedia (%r)\n", Status));\r |
41e8ff27 | 229 | goto ON_EXIT;\r |
1c619535 | 230 | }\r |
e237e7ae | 231 | }\r |
1c619535 | 232 | \r |
e237e7ae | 233 | //\r |
234 | // Make sure BlockSize and LBA is consistent with BufferSize\r | |
235 | //\r | |
236 | if ((BufferSize % Media->BlockSize) != 0) {\r | |
41e8ff27 | 237 | Status = EFI_BAD_BUFFER_SIZE;\r |
238 | goto ON_EXIT;\r | |
e237e7ae | 239 | }\r |
240 | \r | |
241 | TotalBlock = BufferSize / Media->BlockSize;\r | |
242 | \r | |
243 | if (Lba + TotalBlock - 1 > Media->LastBlock) {\r | |
1c619535 | 244 | Status = EFI_INVALID_PARAMETER;\r |
41e8ff27 | 245 | goto ON_EXIT;\r |
e237e7ae | 246 | }\r |
1c619535 | 247 | \r |
248 | if (!(Media->MediaPresent)) {\r | |
249 | Status = EFI_NO_MEDIA;\r | |
250 | goto ON_EXIT;\r | |
251 | }\r | |
252 | \r | |
253 | if (MediaId != Media->MediaId) {\r | |
254 | Status = EFI_MEDIA_CHANGED;\r | |
255 | goto ON_EXIT;\r | |
256 | }\r | |
257 | \r | |
e237e7ae | 258 | //\r |
259 | // Try to write the data even the device is marked as ReadOnly,\r | |
260 | // and clear the status should the write succeed.\r | |
261 | //\r | |
262 | Status = UsbBootWriteBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);\r | |
263 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 264 | DEBUG ((EFI_D_ERROR, "UsbMassWriteBlocks: UsbBootWriteBlocks (%r) -> Reset\n", Status));\r |
e237e7ae | 265 | UsbMassReset (This, TRUE);\r |
266 | }\r | |
1c619535 | 267 | \r |
41e8ff27 | 268 | ON_EXIT:\r |
269 | gBS->RestoreTPL (OldTpl);\r | |
e237e7ae | 270 | return Status;\r |
271 | }\r | |
272 | \r | |
e237e7ae | 273 | /**\r |
274 | Flush the cached writes to disks. USB mass storage device doesn't\r | |
275 | support write cache, so return EFI_SUCCESS directly.\r | |
276 | \r | |
277 | @param This The BLOCK IO protocol\r | |
278 | \r | |
279 | @retval EFI_SUCCESS Always returns success\r | |
280 | \r | |
281 | **/\r | |
282 | EFI_STATUS\r | |
1c619535 | 283 | EFIAPI\r |
e237e7ae | 284 | UsbMassFlushBlocks (\r |
285 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
286 | )\r | |
287 | {\r | |
288 | return EFI_SUCCESS;\r | |
289 | }\r | |
290 | \r | |
c7e39923 | 291 | /**\r |
292 | Retrieve the media parameters such as disk gemotric for the\r | |
293 | device's BLOCK IO protocol.\r | |
294 | \r | |
295 | @param UsbMass The USB mass storage device\r | |
296 | \r | |
297 | @retval EFI_SUCCESS The media parameters is updated successfully.\r | |
298 | @retval Others Failed to get the media parameters.\r | |
299 | \r | |
300 | **/\r | |
301 | EFI_STATUS\r | |
302 | UsbMassInitMedia (\r | |
303 | IN USB_MASS_DEVICE *UsbMass\r | |
304 | )\r | |
305 | {\r | |
306 | EFI_BLOCK_IO_MEDIA *Media;\r | |
307 | EFI_STATUS Status;\r | |
308 | UINTN Index;\r | |
309 | \r | |
310 | Media = &UsbMass->BlockIoMedia;\r | |
311 | \r | |
312 | //\r | |
313 | // Initialize the MediaPrsent/ReadOnly and others to the default.\r | |
314 | // We are not forced to get it right at this time, check UEFI2.0\r | |
315 | // spec for more information:\r | |
316 | //\r | |
317 | // MediaPresent: This field shows the media present status as\r | |
318 | // of the most recent ReadBlocks or WriteBlocks call.\r | |
319 | //\r | |
320 | // ReadOnly : This field shows the read-only status as of the\r | |
321 | // recent WriteBlocks call.\r | |
322 | //\r | |
323 | // but remember to update MediaId/MediaPresent/ReadOnly status\r | |
324 | // after ReadBlocks and WriteBlocks\r | |
325 | //\r | |
326 | Media->MediaPresent = FALSE;\r | |
327 | Media->LogicalPartition = FALSE;\r | |
328 | Media->ReadOnly = FALSE;\r | |
329 | Media->WriteCaching = FALSE;\r | |
330 | Media->IoAlign = 0;\r | |
331 | Media->MediaId = 1;\r | |
332 | \r | |
333 | //\r | |
334 | // Some device may spend several seconds before it is ready.\r | |
335 | // Try several times before giving up. Wait 5s at most.\r | |
336 | //\r | |
337 | Status = EFI_SUCCESS;\r | |
338 | \r | |
339 | for (Index = 0; Index < USB_BOOT_INIT_MEDIA_RETRY; Index++) {\r | |
340 | \r | |
341 | Status = UsbBootGetParams (UsbMass);\r | |
342 | if ((Status != EFI_MEDIA_CHANGED)\r | |
343 | && (Status != EFI_NOT_READY)\r | |
344 | && (Status != EFI_TIMEOUT)) {\r | |
345 | break;\r | |
346 | }\r | |
347 | \r | |
348 | Status = UsbBootIsUnitReady (UsbMass);\r | |
349 | if (EFI_ERROR (Status)) {\r | |
350 | gBS->Stall (USB_BOOT_RETRY_UNIT_READY_STALL * (Index + 1));\r | |
351 | }\r | |
352 | \r | |
353 | }\r | |
354 | \r | |
355 | return Status;\r | |
356 | }\r | |
357 | \r | |
358 | STATIC\r | |
359 | EFI_STATUS\r | |
360 | UsbMassInitTransport (\r | |
361 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
362 | IN EFI_HANDLE Controller,\r | |
363 | OUT USB_MASS_TRANSPORT **Transport,\r | |
364 | OUT VOID **Context,\r | |
365 | OUT UINT8 *MaxLun\r | |
366 | )\r | |
367 | {\r | |
368 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
369 | EFI_USB_INTERFACE_DESCRIPTOR Interface;\r | |
370 | UINT8 Index;\r | |
371 | EFI_STATUS Status;\r | |
372 | \r | |
373 | Status = gBS->OpenProtocol (\r | |
374 | Controller,\r | |
375 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 376 | (VOID **) &UsbIo,\r |
c7e39923 | 377 | This->DriverBindingHandle,\r |
378 | Controller,\r | |
379 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
380 | );\r | |
381 | \r | |
382 | if (EFI_ERROR (Status)) {\r | |
383 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: OpenUsbIoProtocol By Driver (%r)\n", Status));\r | |
384 | return Status;\r | |
385 | }\r | |
386 | \r | |
387 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &Interface);\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: UsbIo->UsbGetInterfaceDescriptor (%r)\n", Status));\r | |
390 | goto ON_EXIT;\r | |
391 | }\r | |
392 | \r | |
393 | Status = EFI_UNSUPPORTED;\r | |
394 | \r | |
395 | for (Index = 0; mUsbMassTransport[Index] != NULL; Index++) {\r | |
396 | *Transport = mUsbMassTransport[Index];\r | |
397 | \r | |
398 | if (Interface.InterfaceProtocol == (*Transport)->Protocol) {\r | |
399 | Status = (*Transport)->Init (UsbIo, Context);\r | |
400 | break;\r | |
401 | }\r | |
402 | }\r | |
403 | \r | |
404 | if (EFI_ERROR (Status)) {\r | |
405 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: Transport->Init (%r)\n", Status));\r | |
406 | goto ON_EXIT;\r | |
407 | }\r | |
408 | \r | |
409 | //\r | |
410 | // For bot device, try to get max lun. \r | |
411 | // If maxlun=0, then non-lun device, else multi-lun device.\r | |
412 | //\r | |
413 | if ((*Transport)->Protocol == USB_MASS_STORE_BOT) {\r | |
414 | (*Transport)->GetMaxLun (*Context, MaxLun);\r | |
415 | DEBUG ((EFI_D_INFO, "UsbMassInitTransport: GetMaxLun = %d\n", *MaxLun));\r | |
416 | }\r | |
417 | \r | |
418 | ON_EXIT:\r | |
419 | gBS->CloseProtocol (\r | |
420 | Controller,\r | |
421 | &gEfiUsbIoProtocolGuid,\r | |
422 | This->DriverBindingHandle,\r | |
423 | Controller\r | |
424 | );\r | |
425 | return Status; \r | |
426 | }\r | |
427 | \r | |
428 | STATIC\r | |
429 | EFI_STATUS\r | |
430 | UsbMassInitMultiLun (\r | |
431 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
432 | IN EFI_HANDLE Controller,\r | |
433 | IN USB_MASS_TRANSPORT *Transport,\r | |
434 | IN VOID *Context,\r | |
435 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
436 | IN UINT8 MaxLun\r | |
437 | )\r | |
438 | {\r | |
439 | USB_MASS_DEVICE *UsbMass;\r | |
440 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
441 | DEVICE_LOGICAL_UNIT_DEVICE_PATH LunNode;\r | |
442 | UINT8 Index;\r | |
443 | EFI_STATUS Status;\r | |
444 | \r | |
445 | ASSERT (MaxLun > 0);\r | |
446 | \r | |
447 | for (Index = 0; Index <= MaxLun; Index++) { \r | |
448 | \r | |
449 | DEBUG ((EFI_D_INFO, "UsbMassInitMultiLun: Start to initialize No.%d logic unit\n", Index));\r | |
450 | \r | |
451 | UsbIo = NULL;\r | |
452 | UsbMass = AllocateZeroPool (sizeof (USB_MASS_DEVICE));\r | |
453 | if (UsbMass == NULL) {\r | |
454 | Status = EFI_OUT_OF_RESOURCES;\r | |
455 | goto ON_ERROR;\r | |
456 | }\r | |
457 | \r | |
458 | UsbMass->Signature = USB_MASS_SIGNATURE;\r | |
459 | UsbMass->UsbIo = UsbIo;\r | |
460 | UsbMass->BlockIo.Media = &UsbMass->BlockIoMedia;\r | |
461 | UsbMass->BlockIo.Reset = UsbMassReset;\r | |
462 | UsbMass->BlockIo.ReadBlocks = UsbMassReadBlocks;\r | |
463 | UsbMass->BlockIo.WriteBlocks = UsbMassWriteBlocks;\r | |
464 | UsbMass->BlockIo.FlushBlocks = UsbMassFlushBlocks;\r | |
465 | UsbMass->OpticalStorage = FALSE;\r | |
466 | UsbMass->Transport = Transport;\r | |
467 | UsbMass->Context = Context;\r | |
468 | UsbMass->Lun = Index;\r | |
469 | \r | |
470 | //\r | |
471 | // Get the storage's parameters, such as last block number.\r | |
472 | // then install the BLOCK_IO\r | |
473 | //\r | |
474 | Status = UsbMassInitMedia (UsbMass);\r | |
475 | if (!EFI_ERROR (Status)) {\r | |
476 | if ((UsbMass->Pdt != USB_PDT_DIRECT_ACCESS) && \r | |
477 | (UsbMass->Pdt != USB_PDT_CDROM) &&\r | |
478 | (UsbMass->Pdt != USB_PDT_OPTICAL) && \r | |
479 | (UsbMass->Pdt != USB_PDT_SIMPLE_DIRECT)) {\r | |
480 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: Found an unsupported peripheral type[%d]\n", UsbMass->Pdt));\r | |
481 | goto ON_ERROR;\r | |
482 | }\r | |
483 | } else if (Status != EFI_NO_MEDIA){\r | |
484 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: UsbMassInitMedia (%r)\n", Status));\r | |
485 | goto ON_ERROR;\r | |
486 | }\r | |
487 | \r | |
488 | //\r | |
489 | // Create a device path node of device logic unit, and append it \r | |
490 | //\r | |
491 | LunNode.Header.Type = MESSAGING_DEVICE_PATH;\r | |
492 | LunNode.Header.SubType = MSG_DEVICE_LOGICAL_UNIT_DP;\r | |
493 | LunNode.Lun = UsbMass->Lun;\r | |
494 | \r | |
495 | SetDevicePathNodeLength (&LunNode.Header, sizeof (LunNode));\r | |
496 | \r | |
497 | UsbMass->DevicePath = AppendDevicePathNode (DevicePath, &LunNode.Header);\r | |
498 | \r | |
499 | if (UsbMass->DevicePath == NULL) {\r | |
500 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: failed to create device logic unit device path\n"));\r | |
501 | \r | |
502 | Status = EFI_OUT_OF_RESOURCES;\r | |
503 | goto ON_ERROR;\r | |
504 | }\r | |
505 | \r | |
506 | //\r | |
507 | // Create a UsbMass handle for each lun, and install blockio and devicepath protocols.\r | |
508 | //\r | |
509 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
510 | &UsbMass->Controller,\r | |
511 | &gEfiDevicePathProtocolGuid,\r | |
512 | UsbMass->DevicePath,\r | |
513 | &gEfiBlockIoProtocolGuid,\r | |
514 | &UsbMass->BlockIo,\r | |
515 | NULL\r | |
516 | );\r | |
517 | \r | |
518 | if (EFI_ERROR (Status)) {\r | |
519 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: InstallMultipleProtocolInterfaces (%r)\n", Status));\r | |
520 | goto ON_ERROR;\r | |
521 | }\r | |
522 | \r | |
523 | //\r | |
524 | // Open UsbIo protocol by child to setup a parent-child relationship.\r | |
525 | //\r | |
526 | Status = gBS->OpenProtocol (\r | |
527 | Controller,\r | |
528 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 529 | (VOID **) &UsbIo,\r |
c7e39923 | 530 | This->DriverBindingHandle,\r |
531 | UsbMass->Controller,\r | |
532 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
533 | );\r | |
534 | \r | |
535 | if (EFI_ERROR (Status)) {\r | |
536 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: OpenUsbIoProtocol By Child (%r)\n", Status));\r | |
537 | gBS->UninstallMultipleProtocolInterfaces (\r | |
538 | &UsbMass->Controller,\r | |
539 | &gEfiDevicePathProtocolGuid,\r | |
540 | UsbMass->DevicePath,\r | |
541 | &gEfiBlockIoProtocolGuid,\r | |
542 | &UsbMass->BlockIo,\r | |
543 | NULL\r | |
544 | );\r | |
545 | goto ON_ERROR;\r | |
546 | }\r | |
547 | \r | |
548 | DEBUG ((EFI_D_INFO, "UsbMassInitMultiLun: Success to initialize No.%d logic unit\n", Index));\r | |
549 | }\r | |
550 | \r | |
551 | return EFI_SUCCESS;\r | |
552 | \r | |
553 | ON_ERROR:\r | |
554 | if (UsbMass->DevicePath != NULL) {\r | |
555 | gBS->FreePool (UsbMass->DevicePath);\r | |
556 | }\r | |
557 | if (UsbMass != NULL) {\r | |
558 | gBS->FreePool (UsbMass);\r | |
559 | }\r | |
560 | if (UsbIo != NULL) {\r | |
561 | gBS->CloseProtocol (\r | |
562 | Controller,\r | |
563 | &gEfiUsbIoProtocolGuid,\r | |
564 | This->DriverBindingHandle,\r | |
565 | UsbMass->Controller\r | |
566 | );\r | |
567 | }\r | |
568 | \r | |
569 | //\r | |
570 | // If only success to initialize one lun, return success, or else return error\r | |
571 | //\r | |
572 | if (Index > 0) {\r | |
573 | return EFI_SUCCESS; \r | |
574 | } else {\r | |
575 | return Status;\r | |
576 | } \r | |
577 | }\r | |
578 | \r | |
579 | STATIC\r | |
580 | EFI_STATUS\r | |
581 | UsbMassInitNonLun (\r | |
582 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
583 | IN EFI_HANDLE Controller,\r | |
584 | IN USB_MASS_TRANSPORT *Transport,\r | |
585 | IN VOID *Context\r | |
586 | )\r | |
587 | {\r | |
588 | USB_MASS_DEVICE *UsbMass;\r | |
589 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
590 | EFI_STATUS Status;\r | |
591 | \r | |
592 | UsbIo = NULL;\r | |
593 | UsbMass = AllocateZeroPool (sizeof (USB_MASS_DEVICE));\r | |
594 | if (UsbMass == NULL) {\r | |
595 | return EFI_OUT_OF_RESOURCES;\r | |
596 | }\r | |
597 | Status = gBS->OpenProtocol (\r | |
598 | Controller,\r | |
599 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 600 | (VOID **) &UsbIo,\r |
c7e39923 | 601 | This->DriverBindingHandle,\r |
602 | Controller,\r | |
603 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
604 | );\r | |
605 | \r | |
606 | if (EFI_ERROR (Status)) {\r | |
607 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: OpenUsbIoProtocol By Driver (%r)\n", Status));\r | |
608 | goto ON_ERROR;\r | |
609 | }\r | |
610 | \r | |
611 | UsbMass->Signature = USB_MASS_SIGNATURE;\r | |
612 | UsbMass->Controller = Controller;\r | |
613 | UsbMass->UsbIo = UsbIo;\r | |
614 | UsbMass->BlockIo.Media = &UsbMass->BlockIoMedia;\r | |
615 | UsbMass->BlockIo.Reset = UsbMassReset;\r | |
616 | UsbMass->BlockIo.ReadBlocks = UsbMassReadBlocks;\r | |
617 | UsbMass->BlockIo.WriteBlocks = UsbMassWriteBlocks;\r | |
618 | UsbMass->BlockIo.FlushBlocks = UsbMassFlushBlocks;\r | |
619 | UsbMass->OpticalStorage = FALSE;\r | |
620 | UsbMass->Transport = Transport;\r | |
621 | UsbMass->Context = Context;\r | |
622 | \r | |
623 | //\r | |
624 | // Get the storage's parameters, such as last block number.\r | |
625 | // then install the BLOCK_IO\r | |
626 | //\r | |
627 | Status = UsbMassInitMedia (UsbMass);\r | |
628 | if (!EFI_ERROR (Status)) {\r | |
629 | if ((UsbMass->Pdt != USB_PDT_DIRECT_ACCESS) && \r | |
630 | (UsbMass->Pdt != USB_PDT_CDROM) &&\r | |
631 | (UsbMass->Pdt != USB_PDT_OPTICAL) && \r | |
632 | (UsbMass->Pdt != USB_PDT_SIMPLE_DIRECT)) {\r | |
633 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: Found an unsupported peripheral type[%d]\n", UsbMass->Pdt));\r | |
634 | goto ON_ERROR;\r | |
635 | }\r | |
636 | } else if (Status != EFI_NO_MEDIA){\r | |
637 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: UsbMassInitMedia (%r)\n", Status));\r | |
638 | goto ON_ERROR;\r | |
639 | }\r | |
640 | \r | |
641 | Status = gBS->InstallProtocolInterface (\r | |
642 | &Controller,\r | |
643 | &gEfiBlockIoProtocolGuid,\r | |
644 | EFI_NATIVE_INTERFACE,\r | |
645 | &UsbMass->BlockIo\r | |
646 | );\r | |
647 | if (EFI_ERROR (Status)) {\r | |
648 | goto ON_ERROR;\r | |
649 | }\r | |
650 | \r | |
651 | return EFI_SUCCESS;\r | |
652 | \r | |
653 | ON_ERROR:\r | |
654 | if (UsbMass != NULL) {\r | |
655 | gBS->FreePool (UsbMass);\r | |
656 | }\r | |
657 | gBS->CloseProtocol (\r | |
658 | Controller,\r | |
659 | &gEfiUsbIoProtocolGuid,\r | |
660 | This->DriverBindingHandle,\r | |
661 | Controller\r | |
662 | );\r | |
663 | return Status; \r | |
664 | }\r | |
665 | \r | |
e237e7ae | 666 | \r |
667 | /**\r | |
668 | Check whether the controller is a supported USB mass storage.\r | |
669 | \r | |
670 | @param This The USB mass driver's driver binding.\r | |
671 | @param Controller The device to test against.\r | |
672 | @param RemainingDevicePath The remaining device path\r | |
673 | \r | |
674 | @retval EFI_SUCCESS This device is a supported USB mass storage.\r | |
675 | @retval EFI_UNSUPPORTED The device isn't supported\r | |
676 | @retval Others Some error happened.\r | |
677 | \r | |
678 | **/\r | |
679 | EFI_STATUS\r | |
680 | EFIAPI\r | |
681 | USBMassDriverBindingSupported (\r | |
682 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
683 | IN EFI_HANDLE Controller,\r | |
684 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
685 | )\r | |
686 | {\r | |
687 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
688 | EFI_USB_INTERFACE_DESCRIPTOR Interface;\r | |
689 | USB_MASS_TRANSPORT *Transport;\r | |
690 | EFI_STATUS Status;\r | |
691 | INTN Index;\r | |
692 | \r | |
693 | //\r | |
694 | // Check whether the controlelr support USB_IO\r | |
695 | //\r | |
696 | Status = gBS->OpenProtocol (\r | |
697 | Controller,\r | |
698 | &gEfiUsbIoProtocolGuid,\r | |
c52fa98c | 699 | (VOID **) &UsbIo,\r |
e237e7ae | 700 | This->DriverBindingHandle,\r |
701 | Controller,\r | |
702 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
703 | );\r | |
704 | if (EFI_ERROR (Status)) {\r | |
705 | return Status;\r | |
706 | }\r | |
707 | \r | |
708 | //\r | |
709 | // Get the interface to check the USB class and find a transport\r | |
710 | // protocol handler.\r | |
711 | //\r | |
712 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &Interface);\r | |
713 | if (EFI_ERROR (Status)) {\r | |
714 | goto ON_EXIT;\r | |
715 | }\r | |
716 | \r | |
717 | Status = EFI_UNSUPPORTED;\r | |
718 | \r | |
719 | if (Interface.InterfaceClass != USB_MASS_STORE_CLASS) {\r | |
720 | goto ON_EXIT;\r | |
721 | }\r | |
722 | \r | |
723 | for (Index = 0; mUsbMassTransport[Index] != NULL; Index++) {\r | |
724 | Transport = mUsbMassTransport[Index];\r | |
725 | if (Interface.InterfaceProtocol == Transport->Protocol) {\r | |
c7e39923 | 726 | Status = Transport->Init (UsbIo, NULL);\r |
e237e7ae | 727 | break;\r |
728 | }\r | |
729 | }\r | |
730 | \r | |
1c619535 | 731 | DEBUG ((EFI_D_INFO, "Found a USB mass store device %r\n", Status));\r |
e237e7ae | 732 | \r |
733 | ON_EXIT:\r | |
734 | gBS->CloseProtocol (\r | |
735 | Controller,\r | |
736 | &gEfiUsbIoProtocolGuid,\r | |
737 | This->DriverBindingHandle,\r | |
738 | Controller\r | |
739 | );\r | |
740 | \r | |
741 | return Status;\r | |
742 | }\r | |
743 | \r | |
744 | \r | |
745 | /**\r | |
746 | Start the USB mass storage device on the controller. It will\r | |
747 | install a BLOCK_IO protocol on the device if everything is OK.\r | |
748 | \r | |
749 | @param This The USB mass storage driver binding.\r | |
750 | @param Controller The USB mass storage device to start on\r | |
751 | @param RemainingDevicePath The remaining device path.\r | |
752 | \r | |
753 | @retval EFI_SUCCESS The driver has started on the device.\r | |
754 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory\r | |
755 | @retval Others Failed to start the driver on the device.\r | |
756 | \r | |
757 | **/\r | |
758 | EFI_STATUS\r | |
759 | EFIAPI\r | |
760 | USBMassDriverBindingStart (\r | |
761 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
762 | IN EFI_HANDLE Controller,\r | |
763 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
764 | )\r | |
765 | {\r | |
e237e7ae | 766 | USB_MASS_TRANSPORT *Transport;\r |
c7e39923 | 767 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
768 | VOID *Context;\r | |
769 | UINT8 MaxLun;\r | |
e237e7ae | 770 | EFI_STATUS Status;\r |
c7e39923 | 771 | \r |
772 | Transport = NULL;\r | |
773 | Context = NULL;\r | |
774 | MaxLun = 0;\r | |
e237e7ae | 775 | \r |
776 | //\r | |
c7e39923 | 777 | // Get interface and protocols, initialize transport\r |
e237e7ae | 778 | //\r |
c7e39923 | 779 | Status = UsbMassInitTransport (This, Controller, &Transport, &Context, &MaxLun);\r |
e237e7ae | 780 | \r |
781 | if (EFI_ERROR (Status)) {\r | |
c7e39923 | 782 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitTransport (%r)\n", Status));\r |
783 | return Status;\r | |
e237e7ae | 784 | }\r |
c7e39923 | 785 | if (MaxLun == 0) {\r |
786 | //\r | |
787 | // Initialize No/Unsupported LUN device\r | |
788 | //\r | |
789 | Status = UsbMassInitNonLun(This, Controller, Transport, Context);\r | |
790 | if (EFI_ERROR (Status)) { \r | |
791 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitNonLun (%r)\n", Status));\r | |
792 | }\r | |
793 | } else {\r | |
794 | //\r | |
795 | // Open device path to perpare append Device Logic Unit node.\r | |
796 | //\r | |
797 | Status = gBS->OpenProtocol (\r | |
798 | Controller,\r | |
799 | &gEfiDevicePathProtocolGuid,\r | |
800 | (VOID **) &DevicePath,\r | |
801 | This->DriverBindingHandle,\r | |
802 | Controller,\r | |
803 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
804 | );\r | |
805 | \r | |
806 | if (EFI_ERROR (Status)) {\r | |
807 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: OpenDevicePathProtocol By Driver (%r)\n", Status));\r | |
808 | return Status;\r | |
e237e7ae | 809 | }\r |
e237e7ae | 810 | \r |
c7e39923 | 811 | //\r |
812 | // Try best to initialize all LUNs, and return success only if one of LUNs successed to initialized.\r | |
813 | //\r | |
814 | Status = UsbMassInitMultiLun(This, Controller, Transport, Context, DevicePath, MaxLun);\r | |
815 | if (EFI_ERROR (Status)) {\r | |
816 | gBS->CloseProtocol (\r | |
817 | Controller,\r | |
818 | &gEfiDevicePathProtocolGuid,\r | |
819 | This->DriverBindingHandle,\r | |
820 | Controller\r | |
821 | );\r | |
822 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitMultiLun (%r) with Maxlun=%d\n", Status, MaxLun));\r | |
823 | }\r | |
e237e7ae | 824 | }\r |
e237e7ae | 825 | return Status;\r |
826 | }\r | |
827 | \r | |
828 | \r | |
829 | /**\r | |
830 | Stop controlling the device.\r | |
831 | \r | |
832 | @param This The USB mass storage driver binding\r | |
833 | @param Controller The device controller controlled by the driver.\r | |
834 | @param NumberOfChildren The number of children of this device\r | |
835 | @param ChildHandleBuffer The buffer of children handle.\r | |
836 | \r | |
837 | @retval EFI_SUCCESS The driver stopped from controlling the device.\r | |
838 | @retval Others Failed to stop the driver\r | |
839 | \r | |
840 | **/\r | |
841 | EFI_STATUS\r | |
842 | EFIAPI\r | |
843 | USBMassDriverBindingStop (\r | |
844 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
845 | IN EFI_HANDLE Controller,\r | |
846 | IN UINTN NumberOfChildren,\r | |
847 | IN EFI_HANDLE *ChildHandleBuffer\r | |
848 | )\r | |
849 | {\r | |
850 | EFI_STATUS Status;\r | |
851 | USB_MASS_DEVICE *UsbMass;\r | |
c7e39923 | 852 | EFI_USB_IO_PROTOCOL *UsbIo;\r |
e237e7ae | 853 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r |
c7e39923 | 854 | UINTN Index;\r |
855 | BOOLEAN AllChildrenStopped;\r | |
856 | \r | |
857 | //\r | |
858 | // This a bus driver stop function since multi-lun supported. There are three \r | |
859 | // kinds of device handle might be passed, 1st is a handle with devicepath/\r | |
860 | // usbio/blockio installed(non-multi-lun), 2nd is a handle with devicepath/\r | |
861 | // usbio installed(multi-lun root), 3rd is a handle with devicepath/blockio\r | |
862 | // installed(multi-lun).\r | |
863 | //\r | |
864 | if (NumberOfChildren == 0) {\r | |
865 | //\r | |
866 | // A handle without any children, might be 1st and 2nd type.\r | |
867 | //\r | |
868 | Status = gBS->OpenProtocol (\r | |
869 | Controller,\r | |
870 | &gEfiBlockIoProtocolGuid,\r | |
b16b8bf9 | 871 | (VOID **) &BlockIo,\r |
c7e39923 | 872 | This->DriverBindingHandle,\r |
873 | Controller,\r | |
874 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
875 | );\r | |
876 | \r | |
877 | if (EFI_ERROR(Status)) {\r | |
878 | //\r | |
879 | // This is a 2nd type handle(multi-lun root), which only needs close \r | |
880 | // devicepath protocol.\r | |
881 | //\r | |
882 | gBS->CloseProtocol (\r | |
883 | Controller,\r | |
884 | &gEfiDevicePathProtocolGuid,\r | |
885 | This->DriverBindingHandle,\r | |
886 | Controller\r | |
887 | );\r | |
888 | DEBUG ((EFI_D_INFO, "Success to stop multi-lun root handle\n"));\r | |
889 | return EFI_SUCCESS;\r | |
890 | }\r | |
891 | \r | |
892 | //\r | |
893 | // This is a 1st type handle(non-multi-lun), which only needs uninstall\r | |
894 | // blockio protocol, close usbio protocol and free mass device.\r | |
895 | //\r | |
896 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (BlockIo);\r | |
897 | \r | |
898 | //\r | |
899 | // Uninstall Block I/O protocol from the device handle,\r | |
900 | // then call the transport protocol to stop itself.\r | |
901 | //\r | |
902 | Status = gBS->UninstallProtocolInterface (\r | |
903 | Controller,\r | |
904 | &gEfiBlockIoProtocolGuid,\r | |
905 | &UsbMass->BlockIo\r | |
906 | );\r | |
907 | if (EFI_ERROR (Status)) {\r | |
908 | return Status;\r | |
909 | }\r | |
910 | \r | |
911 | gBS->CloseProtocol (\r | |
912 | Controller,\r | |
913 | &gEfiUsbIoProtocolGuid,\r | |
914 | This->DriverBindingHandle,\r | |
915 | Controller\r | |
916 | );\r | |
917 | \r | |
918 | UsbMass->Transport->Fini (UsbMass->Context);\r | |
919 | gBS->FreePool (UsbMass);\r | |
920 | \r | |
921 | DEBUG ((EFI_D_INFO, "Success to stop non-multi-lun root handle\n"));\r | |
922 | return EFI_SUCCESS;\r | |
923 | } \r | |
924 | \r | |
925 | //\r | |
926 | // This is a 3rd type handle(multi-lun), which needs uninstall\r | |
927 | // blockio and devicepath protocol, close usbio protocol and \r | |
928 | // free mass device.\r | |
929 | //\r | |
930 | AllChildrenStopped = TRUE;\r | |
931 | \r | |
932 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
933 | \r | |
934 | Status = gBS->OpenProtocol (\r | |
935 | ChildHandleBuffer[Index],\r | |
936 | &gEfiBlockIoProtocolGuid,\r | |
937 | (VOID **) &BlockIo,\r | |
938 | This->DriverBindingHandle,\r | |
939 | Controller,\r | |
940 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
941 | );\r | |
942 | if (EFI_ERROR (Status)) {\r | |
943 | AllChildrenStopped = FALSE;\r | |
944 | DEBUG ((EFI_D_ERROR, "Fail to stop No.%d multi-lun child handle when opening blockio\n", Index));\r | |
945 | continue;\r | |
946 | }\r | |
e237e7ae | 947 | \r |
c7e39923 | 948 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (BlockIo);\r |
949 | \r | |
950 | gBS->CloseProtocol (\r | |
951 | Controller,\r | |
952 | &gEfiUsbIoProtocolGuid,\r | |
953 | This->DriverBindingHandle,\r | |
954 | ChildHandleBuffer[Index]\r | |
955 | );\r | |
956 | \r | |
957 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
958 | ChildHandleBuffer[Index],\r | |
959 | &gEfiDevicePathProtocolGuid,\r | |
960 | UsbMass->DevicePath,\r | |
961 | &gEfiBlockIoProtocolGuid,\r | |
962 | &UsbMass->BlockIo,\r | |
963 | NULL\r | |
964 | );\r | |
965 | \r | |
966 | if (EFI_ERROR (Status)) {\r | |
967 | //\r | |
968 | // Fail to uninstall blockio and devicepath protocol, so re-open usbio by child.\r | |
969 | //\r | |
970 | AllChildrenStopped = FALSE;\r | |
971 | DEBUG ((EFI_D_ERROR, "Fail to stop No.%d multi-lun child handle when uninstalling blockio and devicepath\n", Index));\r | |
972 | \r | |
973 | gBS->OpenProtocol (\r | |
974 | Controller,\r | |
975 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 976 | (VOID **) &UsbIo,\r |
c7e39923 | 977 | This->DriverBindingHandle,\r |
978 | ChildHandleBuffer[Index],\r | |
979 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
980 | );\r | |
981 | } else {\r | |
982 | //\r | |
983 | // Success to stop this multi-lun handle, so go on next child.\r | |
984 | //\r | |
985 | if (((Index + 1) == NumberOfChildren) && AllChildrenStopped) {\r | |
986 | UsbMass->Transport->Fini (UsbMass->Context);\r | |
987 | }\r | |
988 | gBS->FreePool (UsbMass);\r | |
989 | }\r | |
e237e7ae | 990 | }\r |
991 | \r | |
c7e39923 | 992 | if (!AllChildrenStopped) {\r |
993 | return EFI_DEVICE_ERROR;\r | |
e237e7ae | 994 | }\r |
c7e39923 | 995 | \r |
996 | DEBUG ((EFI_D_INFO, "Success to stop all %d multi-lun children handles\n", NumberOfChildren));\r | |
e237e7ae | 997 | return EFI_SUCCESS;\r |
998 | }\r | |
999 | \r | |
1000 | EFI_DRIVER_BINDING_PROTOCOL gUSBMassDriverBinding = {\r | |
1001 | USBMassDriverBindingSupported,\r | |
1002 | USBMassDriverBindingStart,\r | |
1003 | USBMassDriverBindingStop,\r | |
1004 | 0x11,\r | |
1005 | NULL,\r | |
1006 | NULL\r | |
1007 | };\r | |
1008 | \r | |
e237e7ae | 1009 | EFI_STATUS\r |
1010 | EFIAPI\r | |
1011 | USBMassStorageEntryPoint (\r | |
1012 | IN EFI_HANDLE ImageHandle,\r | |
1013 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1014 | )\r | |
1015 | /*++\r | |
1016 | \r | |
1017 | Routine Description:\r | |
1018 | \r | |
1019 | The entry point for the driver, which will install the driver binding and\r | |
1020 | component name protocol\r | |
1021 | \r | |
1022 | Arguments:\r | |
1023 | \r | |
1024 | ImageHandle - The image handle of this driver\r | |
1025 | SystemTable - The system table\r | |
1026 | \r | |
1027 | Returns:\r | |
1028 | \r | |
1029 | EFI_SUCCESS - the protocols are installed OK\r | |
1030 | Others - Failed to install protocols.\r | |
1031 | \r | |
1032 | --*/\r | |
1033 | {\r | |
1034 | EFI_STATUS Status;\r | |
1035 | \r | |
1036 | //\r | |
1037 | // Install driver binding protocol\r | |
1038 | //\r | |
62b9bb55 | 1039 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
e237e7ae | 1040 | ImageHandle,\r |
1041 | SystemTable,\r | |
1042 | &gUSBMassDriverBinding,\r | |
1043 | ImageHandle,\r | |
1044 | &gUsbMassStorageComponentName,\r | |
62b9bb55 | 1045 | &gUsbMassStorageComponentName2\r |
e237e7ae | 1046 | );\r |
1047 | \r | |
1048 | return Status;\r | |
1049 | }\r |