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Commit | Line | Data |
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e237e7ae | 1 | /** @file\r |
2 | \r | |
cc5166ff | 3 | The implementation of USB mass storage class device driver.\r |
4 | The command set supported is "USB Mass Storage Specification\r | |
5 | for Bootability".\r | |
6 | \r | |
c7e39923 | 7 | Copyright (c) 2007 - 2008, Intel Corporation\r |
e237e7ae | 8 | All rights reserved. This program and the accompanying materials\r |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
e237e7ae | 16 | **/\r |
17 | \r | |
18 | #include "UsbMassImpl.h"\r | |
19 | \r | |
e237e7ae | 20 | USB_MASS_TRANSPORT *mUsbMassTransport[] = {\r |
21 | &mUsbCbi0Transport,\r | |
22 | &mUsbCbi1Transport,\r | |
23 | &mUsbBotTransport,\r | |
24 | NULL\r | |
25 | };\r | |
26 | \r | |
e237e7ae | 27 | /**\r |
28 | Reset the block device. ExtendedVerification is ignored for this.\r | |
29 | \r | |
30 | @param This The BLOCK IO protocol\r | |
d7db0902 | 31 | @param ExtendedVerification Whether to execute extended verification.\r |
e237e7ae | 32 | \r |
d7db0902 | 33 | @retval EFI_SUCCESS The device is successfully reseted.\r |
e237e7ae | 34 | @retval Others Failed to reset the device.\r |
35 | \r | |
36 | **/\r | |
37 | EFI_STATUS\r | |
1c619535 | 38 | EFIAPI\r |
e237e7ae | 39 | UsbMassReset (\r |
40 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
41 | IN BOOLEAN ExtendedVerification\r | |
42 | )\r | |
43 | {\r | |
44 | USB_MASS_DEVICE *UsbMass;\r | |
41e8ff27 | 45 | EFI_TPL OldTpl;\r |
46 | EFI_STATUS Status;\r | |
47 | \r | |
48 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r | |
e237e7ae | 49 | \r |
50 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r | |
41e8ff27 | 51 | Status = UsbMass->Transport->Reset (UsbMass->Context, ExtendedVerification);\r |
52 | \r | |
53 | gBS->RestoreTPL (OldTpl);\r | |
54 | \r | |
55 | return Status;\r | |
e237e7ae | 56 | }\r |
57 | \r | |
e237e7ae | 58 | /**\r |
59 | Read some blocks of data from the block device.\r | |
60 | \r | |
61 | @param This The Block IO protocol\r | |
62 | @param MediaId The media's ID of the device for current request\r | |
63 | @param Lba The start block number\r | |
64 | @param BufferSize The size of buffer to read data in\r | |
65 | @param Buffer The buffer to read data to\r | |
66 | \r | |
67 | @retval EFI_SUCCESS The data is successfully read\r | |
68 | @retval EFI_NO_MEDIA Media isn't present\r | |
69 | @retval EFI_MEDIA_CHANGED The device media has been changed, that is,\r | |
70 | MediaId changed\r | |
71 | @retval EFI_INVALID_PARAMETER Some parameters are invalid, such as Buffer is\r | |
72 | NULL.\r | |
73 | @retval EFI_BAD_BUFFER_SIZE The buffer size isn't a multiple of media's block\r | |
74 | size, or overflow the last block number.\r | |
75 | \r | |
76 | **/\r | |
77 | EFI_STATUS\r | |
1c619535 | 78 | EFIAPI\r |
e237e7ae | 79 | UsbMassReadBlocks (\r |
80 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
81 | IN UINT32 MediaId,\r | |
82 | IN EFI_LBA Lba,\r | |
83 | IN UINTN BufferSize,\r | |
84 | OUT VOID *Buffer\r | |
85 | )\r | |
86 | {\r | |
87 | USB_MASS_DEVICE *UsbMass;\r | |
88 | EFI_BLOCK_IO_MEDIA *Media;\r | |
89 | EFI_STATUS Status;\r | |
41e8ff27 | 90 | EFI_TPL OldTpl;\r |
e237e7ae | 91 | UINTN TotalBlock;\r |
1c619535 | 92 | \r |
41e8ff27 | 93 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r |
e237e7ae | 94 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r |
95 | Media = &UsbMass->BlockIoMedia;\r | |
96 | \r | |
97 | //\r | |
98 | // First, validate the parameters\r | |
99 | //\r | |
100 | if ((Buffer == NULL) || (BufferSize == 0)) {\r | |
41e8ff27 | 101 | Status = EFI_INVALID_PARAMETER;\r |
102 | goto ON_EXIT;\r | |
e237e7ae | 103 | }\r |
1c619535 | 104 | \r |
e237e7ae | 105 | //\r |
41e8ff27 | 106 | // If it is a removable media, such as CD-Rom or Usb-Floppy,\r |
1c619535 | 107 | // need to detect the media before each rw. While some of\r |
41e8ff27 | 108 | // Usb-Flash is marked as removable media.\r |
1c619535 | 109 | //\r |
110 | //\r | |
41e8ff27 | 111 | if (Media->RemovableMedia == TRUE) {\r |
112 | Status = UsbBootDetectMedia (UsbMass);\r | |
113 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 114 | DEBUG ((EFI_D_ERROR, "UsbMassReadBlocks: UsbBootDetectMedia (%r)\n", Status));\r |
41e8ff27 | 115 | goto ON_EXIT;\r |
1c619535 | 116 | }\r |
e237e7ae | 117 | }\r |
1c619535 | 118 | \r |
e237e7ae | 119 | //\r |
120 | // Make sure BlockSize and LBA is consistent with BufferSize\r | |
121 | //\r | |
122 | if ((BufferSize % Media->BlockSize) != 0) {\r | |
41e8ff27 | 123 | Status = EFI_BAD_BUFFER_SIZE;\r |
124 | goto ON_EXIT;\r | |
e237e7ae | 125 | }\r |
126 | \r | |
127 | TotalBlock = BufferSize / Media->BlockSize;\r | |
128 | \r | |
129 | if (Lba + TotalBlock - 1 > Media->LastBlock) {\r | |
1c619535 | 130 | Status = EFI_INVALID_PARAMETER;\r |
131 | goto ON_EXIT;\r | |
132 | }\r | |
133 | \r | |
134 | if (!(Media->MediaPresent)) {\r | |
135 | Status = EFI_NO_MEDIA;\r | |
136 | goto ON_EXIT;\r | |
137 | }\r | |
138 | \r | |
139 | if (MediaId != Media->MediaId) {\r | |
140 | Status = EFI_MEDIA_CHANGED;\r | |
41e8ff27 | 141 | goto ON_EXIT;\r |
e237e7ae | 142 | }\r |
1c619535 | 143 | \r |
e237e7ae | 144 | Status = UsbBootReadBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);\r |
145 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 146 | DEBUG ((EFI_D_ERROR, "UsbMassReadBlocks: UsbBootReadBlocks (%r) -> Reset\n", Status));\r |
e237e7ae | 147 | UsbMassReset (This, TRUE);\r |
148 | }\r | |
149 | \r | |
41e8ff27 | 150 | ON_EXIT:\r |
151 | gBS->RestoreTPL (OldTpl);\r | |
e237e7ae | 152 | return Status;\r |
153 | }\r | |
154 | \r | |
155 | \r | |
156 | /**\r | |
157 | Write some blocks of data to the block device.\r | |
158 | \r | |
159 | @param This The Block IO protocol\r | |
160 | @param MediaId The media's ID of the device for current request\r | |
161 | @param Lba The start block number\r | |
162 | @param BufferSize The size of buffer to write data to\r | |
163 | @param Buffer The buffer to write data to\r | |
164 | \r | |
165 | @retval EFI_SUCCESS The data is successfully written\r | |
166 | @retval EFI_NO_MEDIA Media isn't present\r | |
167 | @retval EFI_MEDIA_CHANGED The device media has been changed, that is,\r | |
168 | MediaId changed\r | |
169 | @retval EFI_INVALID_PARAMETER Some parameters are invalid, such as Buffer is\r | |
170 | NULL.\r | |
171 | @retval EFI_BAD_BUFFER_SIZE The buffer size isn't a multiple of media's block\r | |
172 | size,\r | |
173 | \r | |
174 | **/\r | |
175 | EFI_STATUS\r | |
1c619535 | 176 | EFIAPI\r |
e237e7ae | 177 | UsbMassWriteBlocks (\r |
178 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
179 | IN UINT32 MediaId,\r | |
180 | IN EFI_LBA Lba,\r | |
181 | IN UINTN BufferSize,\r | |
182 | IN VOID *Buffer\r | |
183 | )\r | |
184 | {\r | |
185 | USB_MASS_DEVICE *UsbMass;\r | |
186 | EFI_BLOCK_IO_MEDIA *Media;\r | |
187 | EFI_STATUS Status;\r | |
41e8ff27 | 188 | EFI_TPL OldTpl;\r |
e237e7ae | 189 | UINTN TotalBlock;\r |
190 | \r | |
41e8ff27 | 191 | OldTpl = gBS->RaiseTPL (USB_MASS_TPL);\r |
e237e7ae | 192 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (This);\r |
193 | Media = &UsbMass->BlockIoMedia;\r | |
194 | \r | |
195 | //\r | |
196 | // First, validate the parameters\r | |
197 | //\r | |
198 | if ((Buffer == NULL) || (BufferSize == 0)) {\r | |
41e8ff27 | 199 | Status = EFI_INVALID_PARAMETER;\r |
200 | goto ON_EXIT;\r | |
e237e7ae | 201 | }\r |
1c619535 | 202 | \r |
e237e7ae | 203 | //\r |
41e8ff27 | 204 | // If it is a removable media, such as CD-Rom or Usb-Floppy,\r |
1c619535 | 205 | // need to detect the media before each rw. While some of\r |
41e8ff27 | 206 | // Usb-Flash is marked as removable media.\r |
1c619535 | 207 | //\r |
208 | //\r | |
41e8ff27 | 209 | if (Media->RemovableMedia == TRUE) {\r |
210 | Status = UsbBootDetectMedia (UsbMass);\r | |
211 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 212 | DEBUG ((EFI_D_ERROR, "UsbMassWriteBlocks: UsbBootDetectMedia (%r)\n", Status));\r |
41e8ff27 | 213 | goto ON_EXIT;\r |
1c619535 | 214 | }\r |
e237e7ae | 215 | }\r |
1c619535 | 216 | \r |
e237e7ae | 217 | //\r |
218 | // Make sure BlockSize and LBA is consistent with BufferSize\r | |
219 | //\r | |
220 | if ((BufferSize % Media->BlockSize) != 0) {\r | |
41e8ff27 | 221 | Status = EFI_BAD_BUFFER_SIZE;\r |
222 | goto ON_EXIT;\r | |
e237e7ae | 223 | }\r |
224 | \r | |
225 | TotalBlock = BufferSize / Media->BlockSize;\r | |
226 | \r | |
227 | if (Lba + TotalBlock - 1 > Media->LastBlock) {\r | |
1c619535 | 228 | Status = EFI_INVALID_PARAMETER;\r |
41e8ff27 | 229 | goto ON_EXIT;\r |
e237e7ae | 230 | }\r |
1c619535 | 231 | \r |
232 | if (!(Media->MediaPresent)) {\r | |
233 | Status = EFI_NO_MEDIA;\r | |
234 | goto ON_EXIT;\r | |
235 | }\r | |
236 | \r | |
237 | if (MediaId != Media->MediaId) {\r | |
238 | Status = EFI_MEDIA_CHANGED;\r | |
239 | goto ON_EXIT;\r | |
240 | }\r | |
241 | \r | |
e237e7ae | 242 | //\r |
243 | // Try to write the data even the device is marked as ReadOnly,\r | |
244 | // and clear the status should the write succeed.\r | |
245 | //\r | |
246 | Status = UsbBootWriteBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);\r | |
247 | if (EFI_ERROR (Status)) {\r | |
1c619535 | 248 | DEBUG ((EFI_D_ERROR, "UsbMassWriteBlocks: UsbBootWriteBlocks (%r) -> Reset\n", Status));\r |
e237e7ae | 249 | UsbMassReset (This, TRUE);\r |
250 | }\r | |
1c619535 | 251 | \r |
41e8ff27 | 252 | ON_EXIT:\r |
253 | gBS->RestoreTPL (OldTpl);\r | |
e237e7ae | 254 | return Status;\r |
255 | }\r | |
256 | \r | |
e237e7ae | 257 | /**\r |
258 | Flush the cached writes to disks. USB mass storage device doesn't\r | |
259 | support write cache, so return EFI_SUCCESS directly.\r | |
260 | \r | |
261 | @param This The BLOCK IO protocol\r | |
262 | \r | |
263 | @retval EFI_SUCCESS Always returns success\r | |
264 | \r | |
265 | **/\r | |
266 | EFI_STATUS\r | |
1c619535 | 267 | EFIAPI\r |
e237e7ae | 268 | UsbMassFlushBlocks (\r |
269 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
270 | )\r | |
271 | {\r | |
272 | return EFI_SUCCESS;\r | |
273 | }\r | |
274 | \r | |
c7e39923 | 275 | /**\r |
d7db0902 | 276 | Retrieve the media parameters such as disk geometric for the\r |
c7e39923 | 277 | device's BLOCK IO protocol.\r |
278 | \r | |
279 | @param UsbMass The USB mass storage device\r | |
280 | \r | |
281 | @retval EFI_SUCCESS The media parameters is updated successfully.\r | |
282 | @retval Others Failed to get the media parameters.\r | |
283 | \r | |
284 | **/\r | |
285 | EFI_STATUS\r | |
286 | UsbMassInitMedia (\r | |
287 | IN USB_MASS_DEVICE *UsbMass\r | |
288 | )\r | |
289 | {\r | |
290 | EFI_BLOCK_IO_MEDIA *Media;\r | |
291 | EFI_STATUS Status;\r | |
292 | UINTN Index;\r | |
293 | \r | |
294 | Media = &UsbMass->BlockIoMedia;\r | |
295 | \r | |
296 | //\r | |
297 | // Initialize the MediaPrsent/ReadOnly and others to the default.\r | |
298 | // We are not forced to get it right at this time, check UEFI2.0\r | |
299 | // spec for more information:\r | |
300 | //\r | |
301 | // MediaPresent: This field shows the media present status as\r | |
302 | // of the most recent ReadBlocks or WriteBlocks call.\r | |
303 | //\r | |
304 | // ReadOnly : This field shows the read-only status as of the\r | |
305 | // recent WriteBlocks call.\r | |
306 | //\r | |
307 | // but remember to update MediaId/MediaPresent/ReadOnly status\r | |
308 | // after ReadBlocks and WriteBlocks\r | |
309 | //\r | |
310 | Media->MediaPresent = FALSE;\r | |
311 | Media->LogicalPartition = FALSE;\r | |
312 | Media->ReadOnly = FALSE;\r | |
313 | Media->WriteCaching = FALSE;\r | |
314 | Media->IoAlign = 0;\r | |
315 | Media->MediaId = 1;\r | |
316 | \r | |
317 | //\r | |
318 | // Some device may spend several seconds before it is ready.\r | |
319 | // Try several times before giving up. Wait 5s at most.\r | |
320 | //\r | |
321 | Status = EFI_SUCCESS;\r | |
322 | \r | |
323 | for (Index = 0; Index < USB_BOOT_INIT_MEDIA_RETRY; Index++) {\r | |
324 | \r | |
325 | Status = UsbBootGetParams (UsbMass);\r | |
326 | if ((Status != EFI_MEDIA_CHANGED)\r | |
327 | && (Status != EFI_NOT_READY)\r | |
328 | && (Status != EFI_TIMEOUT)) {\r | |
329 | break;\r | |
330 | }\r | |
331 | \r | |
332 | Status = UsbBootIsUnitReady (UsbMass);\r | |
333 | if (EFI_ERROR (Status)) {\r | |
334 | gBS->Stall (USB_BOOT_RETRY_UNIT_READY_STALL * (Index + 1));\r | |
335 | }\r | |
336 | \r | |
337 | }\r | |
338 | \r | |
339 | return Status;\r | |
340 | }\r | |
341 | \r | |
cc5166ff | 342 | /**\r |
343 | Initilize the transport.\r | |
344 | \r | |
345 | @param This The USB mass driver's driver binding.\r | |
346 | @param Controller The device to test.\r | |
347 | @param Transport The pointer to pointer to USB_MASS_TRANSPORT.\r | |
348 | @param Context The passing parameter.\r | |
349 | @param MaxLun Get the MaxLun if is BOT dev.\r | |
350 | \r | |
d7db0902 | 351 | @retval EFI_SUCCESS The initialization is successful.\r |
352 | @retval Others Failed to initialize dev.\r | |
cc5166ff | 353 | \r |
354 | **/\r | |
c7e39923 | 355 | EFI_STATUS\r |
356 | UsbMassInitTransport (\r | |
357 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
358 | IN EFI_HANDLE Controller,\r | |
359 | OUT USB_MASS_TRANSPORT **Transport,\r | |
360 | OUT VOID **Context,\r | |
361 | OUT UINT8 *MaxLun\r | |
362 | )\r | |
363 | {\r | |
364 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
365 | EFI_USB_INTERFACE_DESCRIPTOR Interface;\r | |
366 | UINT8 Index;\r | |
367 | EFI_STATUS Status;\r | |
368 | \r | |
369 | Status = gBS->OpenProtocol (\r | |
370 | Controller,\r | |
371 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 372 | (VOID **) &UsbIo,\r |
c7e39923 | 373 | This->DriverBindingHandle,\r |
374 | Controller,\r | |
375 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
376 | );\r | |
377 | \r | |
378 | if (EFI_ERROR (Status)) {\r | |
379 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: OpenUsbIoProtocol By Driver (%r)\n", Status));\r | |
380 | return Status;\r | |
381 | }\r | |
382 | \r | |
383 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &Interface);\r | |
384 | if (EFI_ERROR (Status)) {\r | |
385 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: UsbIo->UsbGetInterfaceDescriptor (%r)\n", Status));\r | |
386 | goto ON_EXIT;\r | |
387 | }\r | |
388 | \r | |
389 | Status = EFI_UNSUPPORTED;\r | |
390 | \r | |
391 | for (Index = 0; mUsbMassTransport[Index] != NULL; Index++) {\r | |
392 | *Transport = mUsbMassTransport[Index];\r | |
393 | \r | |
394 | if (Interface.InterfaceProtocol == (*Transport)->Protocol) {\r | |
395 | Status = (*Transport)->Init (UsbIo, Context);\r | |
396 | break;\r | |
397 | }\r | |
398 | }\r | |
399 | \r | |
400 | if (EFI_ERROR (Status)) {\r | |
401 | DEBUG ((EFI_D_ERROR, "UsbMassInitTransport: Transport->Init (%r)\n", Status));\r | |
402 | goto ON_EXIT;\r | |
403 | }\r | |
404 | \r | |
405 | //\r | |
406 | // For bot device, try to get max lun. \r | |
407 | // If maxlun=0, then non-lun device, else multi-lun device.\r | |
408 | //\r | |
409 | if ((*Transport)->Protocol == USB_MASS_STORE_BOT) {\r | |
410 | (*Transport)->GetMaxLun (*Context, MaxLun);\r | |
411 | DEBUG ((EFI_D_INFO, "UsbMassInitTransport: GetMaxLun = %d\n", *MaxLun));\r | |
412 | }\r | |
413 | \r | |
414 | ON_EXIT:\r | |
415 | gBS->CloseProtocol (\r | |
416 | Controller,\r | |
417 | &gEfiUsbIoProtocolGuid,\r | |
418 | This->DriverBindingHandle,\r | |
419 | Controller\r | |
420 | );\r | |
421 | return Status; \r | |
422 | }\r | |
423 | \r | |
cc5166ff | 424 | /**\r |
425 | Usb mass storage driver initializes multi lun.\r | |
426 | \r | |
427 | @param This The USB mass driver's driver binding.\r | |
428 | @param Controller The device to test.\r | |
429 | @param Transport The pointer to USB_MASS_TRANSPORT.\r | |
430 | @param Context The passing parameter.\r | |
431 | @param DevicePath The remaining device path\r | |
432 | @param MaxLun The MaxLun number passed.\r | |
433 | \r | |
434 | @retval EFI_SUCCESS Initialization is success.\r | |
435 | @retval Other Initialization fails.\r | |
436 | \r | |
437 | **/\r | |
c7e39923 | 438 | EFI_STATUS\r |
439 | UsbMassInitMultiLun (\r | |
440 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
441 | IN EFI_HANDLE Controller,\r | |
442 | IN USB_MASS_TRANSPORT *Transport,\r | |
443 | IN VOID *Context,\r | |
444 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
445 | IN UINT8 MaxLun\r | |
446 | )\r | |
447 | {\r | |
448 | USB_MASS_DEVICE *UsbMass;\r | |
449 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
450 | DEVICE_LOGICAL_UNIT_DEVICE_PATH LunNode;\r | |
451 | UINT8 Index;\r | |
452 | EFI_STATUS Status;\r | |
453 | \r | |
454 | ASSERT (MaxLun > 0);\r | |
455 | \r | |
456 | for (Index = 0; Index <= MaxLun; Index++) { \r | |
457 | \r | |
458 | DEBUG ((EFI_D_INFO, "UsbMassInitMultiLun: Start to initialize No.%d logic unit\n", Index));\r | |
459 | \r | |
460 | UsbIo = NULL;\r | |
461 | UsbMass = AllocateZeroPool (sizeof (USB_MASS_DEVICE));\r | |
462 | if (UsbMass == NULL) {\r | |
463 | Status = EFI_OUT_OF_RESOURCES;\r | |
464 | goto ON_ERROR;\r | |
465 | }\r | |
466 | \r | |
467 | UsbMass->Signature = USB_MASS_SIGNATURE;\r | |
468 | UsbMass->UsbIo = UsbIo;\r | |
469 | UsbMass->BlockIo.Media = &UsbMass->BlockIoMedia;\r | |
470 | UsbMass->BlockIo.Reset = UsbMassReset;\r | |
471 | UsbMass->BlockIo.ReadBlocks = UsbMassReadBlocks;\r | |
472 | UsbMass->BlockIo.WriteBlocks = UsbMassWriteBlocks;\r | |
473 | UsbMass->BlockIo.FlushBlocks = UsbMassFlushBlocks;\r | |
474 | UsbMass->OpticalStorage = FALSE;\r | |
475 | UsbMass->Transport = Transport;\r | |
476 | UsbMass->Context = Context;\r | |
477 | UsbMass->Lun = Index;\r | |
478 | \r | |
479 | //\r | |
480 | // Get the storage's parameters, such as last block number.\r | |
481 | // then install the BLOCK_IO\r | |
482 | //\r | |
483 | Status = UsbMassInitMedia (UsbMass);\r | |
484 | if (!EFI_ERROR (Status)) {\r | |
485 | if ((UsbMass->Pdt != USB_PDT_DIRECT_ACCESS) && \r | |
486 | (UsbMass->Pdt != USB_PDT_CDROM) &&\r | |
487 | (UsbMass->Pdt != USB_PDT_OPTICAL) && \r | |
488 | (UsbMass->Pdt != USB_PDT_SIMPLE_DIRECT)) {\r | |
489 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: Found an unsupported peripheral type[%d]\n", UsbMass->Pdt));\r | |
490 | goto ON_ERROR;\r | |
491 | }\r | |
492 | } else if (Status != EFI_NO_MEDIA){\r | |
493 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: UsbMassInitMedia (%r)\n", Status));\r | |
494 | goto ON_ERROR;\r | |
495 | }\r | |
496 | \r | |
497 | //\r | |
498 | // Create a device path node of device logic unit, and append it \r | |
499 | //\r | |
500 | LunNode.Header.Type = MESSAGING_DEVICE_PATH;\r | |
501 | LunNode.Header.SubType = MSG_DEVICE_LOGICAL_UNIT_DP;\r | |
502 | LunNode.Lun = UsbMass->Lun;\r | |
503 | \r | |
504 | SetDevicePathNodeLength (&LunNode.Header, sizeof (LunNode));\r | |
505 | \r | |
506 | UsbMass->DevicePath = AppendDevicePathNode (DevicePath, &LunNode.Header);\r | |
507 | \r | |
508 | if (UsbMass->DevicePath == NULL) {\r | |
509 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: failed to create device logic unit device path\n"));\r | |
510 | \r | |
511 | Status = EFI_OUT_OF_RESOURCES;\r | |
512 | goto ON_ERROR;\r | |
513 | }\r | |
514 | \r | |
515 | //\r | |
516 | // Create a UsbMass handle for each lun, and install blockio and devicepath protocols.\r | |
517 | //\r | |
518 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
519 | &UsbMass->Controller,\r | |
520 | &gEfiDevicePathProtocolGuid,\r | |
521 | UsbMass->DevicePath,\r | |
522 | &gEfiBlockIoProtocolGuid,\r | |
523 | &UsbMass->BlockIo,\r | |
524 | NULL\r | |
525 | );\r | |
526 | \r | |
527 | if (EFI_ERROR (Status)) {\r | |
528 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: InstallMultipleProtocolInterfaces (%r)\n", Status));\r | |
529 | goto ON_ERROR;\r | |
530 | }\r | |
531 | \r | |
532 | //\r | |
533 | // Open UsbIo protocol by child to setup a parent-child relationship.\r | |
534 | //\r | |
535 | Status = gBS->OpenProtocol (\r | |
536 | Controller,\r | |
537 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 538 | (VOID **) &UsbIo,\r |
c7e39923 | 539 | This->DriverBindingHandle,\r |
540 | UsbMass->Controller,\r | |
541 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
542 | );\r | |
543 | \r | |
544 | if (EFI_ERROR (Status)) {\r | |
545 | DEBUG ((EFI_D_ERROR, "UsbMassInitMultiLun: OpenUsbIoProtocol By Child (%r)\n", Status));\r | |
546 | gBS->UninstallMultipleProtocolInterfaces (\r | |
547 | &UsbMass->Controller,\r | |
548 | &gEfiDevicePathProtocolGuid,\r | |
549 | UsbMass->DevicePath,\r | |
550 | &gEfiBlockIoProtocolGuid,\r | |
551 | &UsbMass->BlockIo,\r | |
552 | NULL\r | |
553 | );\r | |
554 | goto ON_ERROR;\r | |
555 | }\r | |
556 | \r | |
557 | DEBUG ((EFI_D_INFO, "UsbMassInitMultiLun: Success to initialize No.%d logic unit\n", Index));\r | |
558 | }\r | |
559 | \r | |
560 | return EFI_SUCCESS;\r | |
561 | \r | |
562 | ON_ERROR:\r | |
563 | if (UsbMass->DevicePath != NULL) {\r | |
564 | gBS->FreePool (UsbMass->DevicePath);\r | |
565 | }\r | |
566 | if (UsbMass != NULL) {\r | |
567 | gBS->FreePool (UsbMass);\r | |
568 | }\r | |
569 | if (UsbIo != NULL) {\r | |
570 | gBS->CloseProtocol (\r | |
571 | Controller,\r | |
572 | &gEfiUsbIoProtocolGuid,\r | |
573 | This->DriverBindingHandle,\r | |
574 | UsbMass->Controller\r | |
575 | );\r | |
576 | }\r | |
577 | \r | |
578 | //\r | |
579 | // If only success to initialize one lun, return success, or else return error\r | |
580 | //\r | |
581 | if (Index > 0) {\r | |
582 | return EFI_SUCCESS; \r | |
583 | } else {\r | |
584 | return Status;\r | |
585 | } \r | |
586 | }\r | |
587 | \r | |
cc5166ff | 588 | /**\r |
589 | Initialize No/Unsupported LUN device.\r | |
590 | \r | |
591 | @param This The USB mass driver's driver binding.\r | |
592 | @param Controller The device to test.\r | |
593 | @param Transport The pointer to USB_MASS_TRANSPORT.\r | |
594 | @param Context The passing parameter.\r | |
595 | \r | |
596 | @retval EFI_SUCCESS Initialization is success.\r | |
597 | @retval Other Initialization fails.\r | |
598 | \r | |
599 | **/\r | |
c7e39923 | 600 | EFI_STATUS\r |
601 | UsbMassInitNonLun (\r | |
602 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
603 | IN EFI_HANDLE Controller,\r | |
604 | IN USB_MASS_TRANSPORT *Transport,\r | |
605 | IN VOID *Context\r | |
606 | )\r | |
607 | {\r | |
608 | USB_MASS_DEVICE *UsbMass;\r | |
609 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
610 | EFI_STATUS Status;\r | |
611 | \r | |
612 | UsbIo = NULL;\r | |
613 | UsbMass = AllocateZeroPool (sizeof (USB_MASS_DEVICE));\r | |
614 | if (UsbMass == NULL) {\r | |
615 | return EFI_OUT_OF_RESOURCES;\r | |
616 | }\r | |
617 | Status = gBS->OpenProtocol (\r | |
618 | Controller,\r | |
619 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 620 | (VOID **) &UsbIo,\r |
c7e39923 | 621 | This->DriverBindingHandle,\r |
622 | Controller,\r | |
623 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
624 | );\r | |
625 | \r | |
626 | if (EFI_ERROR (Status)) {\r | |
627 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: OpenUsbIoProtocol By Driver (%r)\n", Status));\r | |
628 | goto ON_ERROR;\r | |
629 | }\r | |
630 | \r | |
631 | UsbMass->Signature = USB_MASS_SIGNATURE;\r | |
632 | UsbMass->Controller = Controller;\r | |
633 | UsbMass->UsbIo = UsbIo;\r | |
634 | UsbMass->BlockIo.Media = &UsbMass->BlockIoMedia;\r | |
635 | UsbMass->BlockIo.Reset = UsbMassReset;\r | |
636 | UsbMass->BlockIo.ReadBlocks = UsbMassReadBlocks;\r | |
637 | UsbMass->BlockIo.WriteBlocks = UsbMassWriteBlocks;\r | |
638 | UsbMass->BlockIo.FlushBlocks = UsbMassFlushBlocks;\r | |
639 | UsbMass->OpticalStorage = FALSE;\r | |
640 | UsbMass->Transport = Transport;\r | |
641 | UsbMass->Context = Context;\r | |
642 | \r | |
643 | //\r | |
644 | // Get the storage's parameters, such as last block number.\r | |
645 | // then install the BLOCK_IO\r | |
646 | //\r | |
647 | Status = UsbMassInitMedia (UsbMass);\r | |
648 | if (!EFI_ERROR (Status)) {\r | |
649 | if ((UsbMass->Pdt != USB_PDT_DIRECT_ACCESS) && \r | |
650 | (UsbMass->Pdt != USB_PDT_CDROM) &&\r | |
651 | (UsbMass->Pdt != USB_PDT_OPTICAL) && \r | |
652 | (UsbMass->Pdt != USB_PDT_SIMPLE_DIRECT)) {\r | |
653 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: Found an unsupported peripheral type[%d]\n", UsbMass->Pdt));\r | |
654 | goto ON_ERROR;\r | |
655 | }\r | |
656 | } else if (Status != EFI_NO_MEDIA){\r | |
657 | DEBUG ((EFI_D_ERROR, "UsbMassInitNonLun: UsbMassInitMedia (%r)\n", Status));\r | |
658 | goto ON_ERROR;\r | |
659 | }\r | |
660 | \r | |
661 | Status = gBS->InstallProtocolInterface (\r | |
662 | &Controller,\r | |
663 | &gEfiBlockIoProtocolGuid,\r | |
664 | EFI_NATIVE_INTERFACE,\r | |
665 | &UsbMass->BlockIo\r | |
666 | );\r | |
667 | if (EFI_ERROR (Status)) {\r | |
668 | goto ON_ERROR;\r | |
669 | }\r | |
670 | \r | |
671 | return EFI_SUCCESS;\r | |
672 | \r | |
673 | ON_ERROR:\r | |
674 | if (UsbMass != NULL) {\r | |
675 | gBS->FreePool (UsbMass);\r | |
676 | }\r | |
677 | gBS->CloseProtocol (\r | |
678 | Controller,\r | |
679 | &gEfiUsbIoProtocolGuid,\r | |
680 | This->DriverBindingHandle,\r | |
681 | Controller\r | |
682 | );\r | |
683 | return Status; \r | |
684 | }\r | |
685 | \r | |
e237e7ae | 686 | \r |
687 | /**\r | |
688 | Check whether the controller is a supported USB mass storage.\r | |
689 | \r | |
690 | @param This The USB mass driver's driver binding.\r | |
691 | @param Controller The device to test against.\r | |
692 | @param RemainingDevicePath The remaining device path\r | |
693 | \r | |
694 | @retval EFI_SUCCESS This device is a supported USB mass storage.\r | |
695 | @retval EFI_UNSUPPORTED The device isn't supported\r | |
696 | @retval Others Some error happened.\r | |
697 | \r | |
698 | **/\r | |
699 | EFI_STATUS\r | |
700 | EFIAPI\r | |
701 | USBMassDriverBindingSupported (\r | |
702 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
703 | IN EFI_HANDLE Controller,\r | |
704 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
705 | )\r | |
706 | {\r | |
707 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
708 | EFI_USB_INTERFACE_DESCRIPTOR Interface;\r | |
709 | USB_MASS_TRANSPORT *Transport;\r | |
710 | EFI_STATUS Status;\r | |
711 | INTN Index;\r | |
712 | \r | |
713 | //\r | |
d7db0902 | 714 | // Check whether the controller support USB_IO\r |
e237e7ae | 715 | //\r |
716 | Status = gBS->OpenProtocol (\r | |
717 | Controller,\r | |
718 | &gEfiUsbIoProtocolGuid,\r | |
c52fa98c | 719 | (VOID **) &UsbIo,\r |
e237e7ae | 720 | This->DriverBindingHandle,\r |
721 | Controller,\r | |
722 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
723 | );\r | |
724 | if (EFI_ERROR (Status)) {\r | |
725 | return Status;\r | |
726 | }\r | |
727 | \r | |
728 | //\r | |
729 | // Get the interface to check the USB class and find a transport\r | |
730 | // protocol handler.\r | |
731 | //\r | |
732 | Status = UsbIo->UsbGetInterfaceDescriptor (UsbIo, &Interface);\r | |
733 | if (EFI_ERROR (Status)) {\r | |
734 | goto ON_EXIT;\r | |
735 | }\r | |
736 | \r | |
737 | Status = EFI_UNSUPPORTED;\r | |
738 | \r | |
739 | if (Interface.InterfaceClass != USB_MASS_STORE_CLASS) {\r | |
740 | goto ON_EXIT;\r | |
741 | }\r | |
742 | \r | |
743 | for (Index = 0; mUsbMassTransport[Index] != NULL; Index++) {\r | |
744 | Transport = mUsbMassTransport[Index];\r | |
745 | if (Interface.InterfaceProtocol == Transport->Protocol) {\r | |
c7e39923 | 746 | Status = Transport->Init (UsbIo, NULL);\r |
e237e7ae | 747 | break;\r |
748 | }\r | |
749 | }\r | |
750 | \r | |
1c619535 | 751 | DEBUG ((EFI_D_INFO, "Found a USB mass store device %r\n", Status));\r |
e237e7ae | 752 | \r |
753 | ON_EXIT:\r | |
754 | gBS->CloseProtocol (\r | |
755 | Controller,\r | |
756 | &gEfiUsbIoProtocolGuid,\r | |
757 | This->DriverBindingHandle,\r | |
758 | Controller\r | |
759 | );\r | |
760 | \r | |
761 | return Status;\r | |
762 | }\r | |
763 | \r | |
764 | \r | |
765 | /**\r | |
766 | Start the USB mass storage device on the controller. It will\r | |
767 | install a BLOCK_IO protocol on the device if everything is OK.\r | |
768 | \r | |
769 | @param This The USB mass storage driver binding.\r | |
770 | @param Controller The USB mass storage device to start on\r | |
771 | @param RemainingDevicePath The remaining device path.\r | |
772 | \r | |
773 | @retval EFI_SUCCESS The driver has started on the device.\r | |
774 | @retval EFI_OUT_OF_RESOURCES Failed to allocate memory\r | |
775 | @retval Others Failed to start the driver on the device.\r | |
776 | \r | |
777 | **/\r | |
778 | EFI_STATUS\r | |
779 | EFIAPI\r | |
780 | USBMassDriverBindingStart (\r | |
781 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
782 | IN EFI_HANDLE Controller,\r | |
783 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
784 | )\r | |
785 | {\r | |
e237e7ae | 786 | USB_MASS_TRANSPORT *Transport;\r |
c7e39923 | 787 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
788 | VOID *Context;\r | |
789 | UINT8 MaxLun;\r | |
e237e7ae | 790 | EFI_STATUS Status;\r |
c7e39923 | 791 | \r |
792 | Transport = NULL;\r | |
793 | Context = NULL;\r | |
794 | MaxLun = 0;\r | |
e237e7ae | 795 | \r |
796 | //\r | |
c7e39923 | 797 | // Get interface and protocols, initialize transport\r |
e237e7ae | 798 | //\r |
c7e39923 | 799 | Status = UsbMassInitTransport (This, Controller, &Transport, &Context, &MaxLun);\r |
e237e7ae | 800 | \r |
801 | if (EFI_ERROR (Status)) {\r | |
c7e39923 | 802 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitTransport (%r)\n", Status));\r |
803 | return Status;\r | |
e237e7ae | 804 | }\r |
c7e39923 | 805 | if (MaxLun == 0) {\r |
806 | //\r | |
807 | // Initialize No/Unsupported LUN device\r | |
808 | //\r | |
809 | Status = UsbMassInitNonLun(This, Controller, Transport, Context);\r | |
810 | if (EFI_ERROR (Status)) { \r | |
811 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitNonLun (%r)\n", Status));\r | |
812 | }\r | |
813 | } else {\r | |
814 | //\r | |
d7db0902 | 815 | // Open device path to prepare append Device Logic Unit node.\r |
c7e39923 | 816 | //\r |
817 | Status = gBS->OpenProtocol (\r | |
818 | Controller,\r | |
819 | &gEfiDevicePathProtocolGuid,\r | |
820 | (VOID **) &DevicePath,\r | |
821 | This->DriverBindingHandle,\r | |
822 | Controller,\r | |
823 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
824 | );\r | |
825 | \r | |
826 | if (EFI_ERROR (Status)) {\r | |
827 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: OpenDevicePathProtocol By Driver (%r)\n", Status));\r | |
828 | return Status;\r | |
e237e7ae | 829 | }\r |
e237e7ae | 830 | \r |
c7e39923 | 831 | //\r |
832 | // Try best to initialize all LUNs, and return success only if one of LUNs successed to initialized.\r | |
833 | //\r | |
834 | Status = UsbMassInitMultiLun(This, Controller, Transport, Context, DevicePath, MaxLun);\r | |
835 | if (EFI_ERROR (Status)) {\r | |
836 | gBS->CloseProtocol (\r | |
837 | Controller,\r | |
838 | &gEfiDevicePathProtocolGuid,\r | |
839 | This->DriverBindingHandle,\r | |
840 | Controller\r | |
841 | );\r | |
842 | DEBUG ((EFI_D_ERROR, "USBMassDriverBindingStart: UsbMassInitMultiLun (%r) with Maxlun=%d\n", Status, MaxLun));\r | |
843 | }\r | |
e237e7ae | 844 | }\r |
e237e7ae | 845 | return Status;\r |
846 | }\r | |
847 | \r | |
848 | \r | |
849 | /**\r | |
850 | Stop controlling the device.\r | |
851 | \r | |
852 | @param This The USB mass storage driver binding\r | |
853 | @param Controller The device controller controlled by the driver.\r | |
854 | @param NumberOfChildren The number of children of this device\r | |
855 | @param ChildHandleBuffer The buffer of children handle.\r | |
856 | \r | |
857 | @retval EFI_SUCCESS The driver stopped from controlling the device.\r | |
858 | @retval Others Failed to stop the driver\r | |
859 | \r | |
860 | **/\r | |
861 | EFI_STATUS\r | |
862 | EFIAPI\r | |
863 | USBMassDriverBindingStop (\r | |
864 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
865 | IN EFI_HANDLE Controller,\r | |
866 | IN UINTN NumberOfChildren,\r | |
867 | IN EFI_HANDLE *ChildHandleBuffer\r | |
868 | )\r | |
869 | {\r | |
870 | EFI_STATUS Status;\r | |
871 | USB_MASS_DEVICE *UsbMass;\r | |
c7e39923 | 872 | EFI_USB_IO_PROTOCOL *UsbIo;\r |
e237e7ae | 873 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r |
c7e39923 | 874 | UINTN Index;\r |
875 | BOOLEAN AllChildrenStopped;\r | |
876 | \r | |
877 | //\r | |
878 | // This a bus driver stop function since multi-lun supported. There are three \r | |
879 | // kinds of device handle might be passed, 1st is a handle with devicepath/\r | |
880 | // usbio/blockio installed(non-multi-lun), 2nd is a handle with devicepath/\r | |
881 | // usbio installed(multi-lun root), 3rd is a handle with devicepath/blockio\r | |
882 | // installed(multi-lun).\r | |
883 | //\r | |
884 | if (NumberOfChildren == 0) {\r | |
885 | //\r | |
886 | // A handle without any children, might be 1st and 2nd type.\r | |
887 | //\r | |
888 | Status = gBS->OpenProtocol (\r | |
889 | Controller,\r | |
890 | &gEfiBlockIoProtocolGuid,\r | |
b16b8bf9 | 891 | (VOID **) &BlockIo,\r |
c7e39923 | 892 | This->DriverBindingHandle,\r |
893 | Controller,\r | |
894 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
895 | );\r | |
896 | \r | |
897 | if (EFI_ERROR(Status)) {\r | |
898 | //\r | |
899 | // This is a 2nd type handle(multi-lun root), which only needs close \r | |
900 | // devicepath protocol.\r | |
901 | //\r | |
902 | gBS->CloseProtocol (\r | |
903 | Controller,\r | |
904 | &gEfiDevicePathProtocolGuid,\r | |
905 | This->DriverBindingHandle,\r | |
906 | Controller\r | |
907 | );\r | |
908 | DEBUG ((EFI_D_INFO, "Success to stop multi-lun root handle\n"));\r | |
909 | return EFI_SUCCESS;\r | |
910 | }\r | |
911 | \r | |
912 | //\r | |
913 | // This is a 1st type handle(non-multi-lun), which only needs uninstall\r | |
914 | // blockio protocol, close usbio protocol and free mass device.\r | |
915 | //\r | |
916 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (BlockIo);\r | |
917 | \r | |
918 | //\r | |
919 | // Uninstall Block I/O protocol from the device handle,\r | |
920 | // then call the transport protocol to stop itself.\r | |
921 | //\r | |
922 | Status = gBS->UninstallProtocolInterface (\r | |
923 | Controller,\r | |
924 | &gEfiBlockIoProtocolGuid,\r | |
925 | &UsbMass->BlockIo\r | |
926 | );\r | |
927 | if (EFI_ERROR (Status)) {\r | |
928 | return Status;\r | |
929 | }\r | |
930 | \r | |
931 | gBS->CloseProtocol (\r | |
932 | Controller,\r | |
933 | &gEfiUsbIoProtocolGuid,\r | |
934 | This->DriverBindingHandle,\r | |
935 | Controller\r | |
936 | );\r | |
937 | \r | |
938 | UsbMass->Transport->Fini (UsbMass->Context);\r | |
939 | gBS->FreePool (UsbMass);\r | |
940 | \r | |
941 | DEBUG ((EFI_D_INFO, "Success to stop non-multi-lun root handle\n"));\r | |
942 | return EFI_SUCCESS;\r | |
943 | } \r | |
944 | \r | |
945 | //\r | |
946 | // This is a 3rd type handle(multi-lun), which needs uninstall\r | |
947 | // blockio and devicepath protocol, close usbio protocol and \r | |
948 | // free mass device.\r | |
949 | //\r | |
950 | AllChildrenStopped = TRUE;\r | |
951 | \r | |
952 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
953 | \r | |
954 | Status = gBS->OpenProtocol (\r | |
955 | ChildHandleBuffer[Index],\r | |
956 | &gEfiBlockIoProtocolGuid,\r | |
957 | (VOID **) &BlockIo,\r | |
958 | This->DriverBindingHandle,\r | |
959 | Controller,\r | |
960 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
961 | );\r | |
962 | if (EFI_ERROR (Status)) {\r | |
963 | AllChildrenStopped = FALSE;\r | |
7df7393f | 964 | DEBUG ((EFI_D_ERROR, "Fail to stop No.%d multi-lun child handle when opening blockio\n", (UINT32)Index));\r |
c7e39923 | 965 | continue;\r |
966 | }\r | |
e237e7ae | 967 | \r |
c7e39923 | 968 | UsbMass = USB_MASS_DEVICE_FROM_BLOCKIO (BlockIo);\r |
969 | \r | |
970 | gBS->CloseProtocol (\r | |
971 | Controller,\r | |
972 | &gEfiUsbIoProtocolGuid,\r | |
973 | This->DriverBindingHandle,\r | |
974 | ChildHandleBuffer[Index]\r | |
975 | );\r | |
976 | \r | |
977 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
978 | ChildHandleBuffer[Index],\r | |
979 | &gEfiDevicePathProtocolGuid,\r | |
980 | UsbMass->DevicePath,\r | |
981 | &gEfiBlockIoProtocolGuid,\r | |
982 | &UsbMass->BlockIo,\r | |
983 | NULL\r | |
984 | );\r | |
985 | \r | |
986 | if (EFI_ERROR (Status)) {\r | |
987 | //\r | |
988 | // Fail to uninstall blockio and devicepath protocol, so re-open usbio by child.\r | |
989 | //\r | |
990 | AllChildrenStopped = FALSE;\r | |
7df7393f | 991 | DEBUG ((EFI_D_ERROR, "Fail to stop No.%d multi-lun child handle when uninstalling blockio and devicepath\n", (UINT32)Index));\r |
c7e39923 | 992 | \r |
993 | gBS->OpenProtocol (\r | |
994 | Controller,\r | |
995 | &gEfiUsbIoProtocolGuid,\r | |
b16b8bf9 | 996 | (VOID **) &UsbIo,\r |
c7e39923 | 997 | This->DriverBindingHandle,\r |
998 | ChildHandleBuffer[Index],\r | |
999 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1000 | );\r | |
1001 | } else {\r | |
1002 | //\r | |
1003 | // Success to stop this multi-lun handle, so go on next child.\r | |
1004 | //\r | |
1005 | if (((Index + 1) == NumberOfChildren) && AllChildrenStopped) {\r | |
1006 | UsbMass->Transport->Fini (UsbMass->Context);\r | |
1007 | }\r | |
1008 | gBS->FreePool (UsbMass);\r | |
1009 | }\r | |
e237e7ae | 1010 | }\r |
1011 | \r | |
c7e39923 | 1012 | if (!AllChildrenStopped) {\r |
1013 | return EFI_DEVICE_ERROR;\r | |
e237e7ae | 1014 | }\r |
c7e39923 | 1015 | \r |
7df7393f | 1016 | DEBUG ((EFI_D_INFO, "Success to stop all %d multi-lun children handles\n", (UINT32)NumberOfChildren));\r |
e237e7ae | 1017 | return EFI_SUCCESS;\r |
1018 | }\r | |
1019 | \r | |
1020 | EFI_DRIVER_BINDING_PROTOCOL gUSBMassDriverBinding = {\r | |
1021 | USBMassDriverBindingSupported,\r | |
1022 | USBMassDriverBindingStart,\r | |
1023 | USBMassDriverBindingStop,\r | |
1024 | 0x11,\r | |
1025 | NULL,\r | |
1026 | NULL\r | |
1027 | };\r | |
1028 | \r | |
cc5166ff | 1029 | /**\r |
1030 | The entry point for the driver, which will install the driver binding and\r | |
1031 | component name protocol.\r | |
1032 | \r | |
1033 | @param ImageHandle The image handle of this driver.\r | |
1034 | @param SystemTable The system table.\r | |
1035 | \r | |
1036 | @retval EFI_SUCCESS The protocols are installed OK.\r | |
1037 | @retval Others Failed to install protocols.\r | |
1038 | \r | |
1039 | **/\r | |
e237e7ae | 1040 | EFI_STATUS\r |
1041 | EFIAPI\r | |
1042 | USBMassStorageEntryPoint (\r | |
1043 | IN EFI_HANDLE ImageHandle,\r | |
1044 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
1045 | )\r | |
e237e7ae | 1046 | {\r |
1047 | EFI_STATUS Status;\r | |
1048 | \r | |
1049 | //\r | |
1050 | // Install driver binding protocol\r | |
1051 | //\r | |
62b9bb55 | 1052 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
e237e7ae | 1053 | ImageHandle,\r |
1054 | SystemTable,\r | |
1055 | &gUSBMassDriverBinding,\r | |
1056 | ImageHandle,\r | |
1057 | &gUsbMassStorageComponentName,\r | |
62b9bb55 | 1058 | &gUsbMassStorageComponentName2\r |
e237e7ae | 1059 | );\r |
1060 | \r | |
1061 | return Status;\r | |
1062 | }\r |