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e237e7ae | 1 | /** @file\r |
3e03cb4d | 2 | Definitions of functions for Driver Binding Protocol and Block I/O Protocol,\r |
3 | and other internal definitions.\r | |
cc5166ff | 4 | \r |
d1102dba | 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 |
e237e7ae | 8 | **/\r |
9 | \r | |
10 | #ifndef _EFI_USBMASS_IMPL_H_\r | |
11 | #define _EFI_USBMASS_IMPL_H_\r | |
12 | \r | |
f3f2e05d | 13 | #define USB_MASS_SIGNATURE SIGNATURE_32 ('U', 's', 'b', 'M')\r |
cc5166ff | 14 | \r |
d80ed2a7 | 15 | #define USB_MASS_DEVICE_FROM_BLOCK_IO(a) \\r |
e237e7ae | 16 | CR (a, USB_MASS_DEVICE, BlockIo, USB_MASS_SIGNATURE)\r |
17 | \r | |
39840c50 | 18 | #define USB_MASS_DEVICE_FROM_DISK_INFO(a) \\r |
19 | CR (a, USB_MASS_DEVICE, DiskInfo, USB_MASS_SIGNATURE)\r | |
20 | \r | |
21 | \r | |
62b9bb55 | 22 | extern EFI_COMPONENT_NAME_PROTOCOL gUsbMassStorageComponentName;\r |
23 | extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMassStorageComponentName2;\r | |
e237e7ae | 24 | \r |
d80ed2a7 | 25 | //\r |
26 | // Functions for Driver Binding Protocol\r | |
27 | //\r | |
28 | \r | |
29 | /**\r | |
30 | Check whether the controller is a supported USB mass storage.\r | |
31 | \r | |
32 | @param This The USB mass storage driver binding protocol.\r | |
33 | @param Controller The controller handle to check.\r | |
34 | @param RemainingDevicePath The remaining device path.\r | |
35 | \r | |
36 | @retval EFI_SUCCESS The driver supports this controller.\r | |
37 | @retval other This device isn't supported.\r | |
38 | \r | |
39 | **/\r | |
40 | EFI_STATUS\r | |
41 | EFIAPI\r | |
42 | USBMassDriverBindingSupported (\r | |
43 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
44 | IN EFI_HANDLE Controller,\r | |
45 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
46 | );\r | |
47 | \r | |
48 | /**\r | |
49 | Starts the USB mass storage device with this driver.\r | |
50 | \r | |
957ca631 | 51 | This function consumes USB I/O Protocol, initializes USB mass storage device,\r |
d80ed2a7 | 52 | installs Block I/O Protocol, and submits Asynchronous Interrupt\r |
53 | Transfer to manage the USB mass storage device.\r | |
54 | \r | |
3e03cb4d | 55 | @param This The USB mass storage driver binding protocol.\r |
56 | @param Controller The USB mass storage device to start on\r | |
57 | @param RemainingDevicePath The remaining device path.\r | |
d80ed2a7 | 58 | \r |
59 | @retval EFI_SUCCESS This driver supports this device.\r | |
60 | @retval EFI_UNSUPPORTED This driver does not support this device.\r | |
61 | @retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r | |
62 | @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r | |
63 | @retval EFI_ALREADY_STARTED This driver has been started.\r | |
64 | \r | |
65 | **/\r | |
66 | EFI_STATUS\r | |
67 | EFIAPI\r | |
68 | USBMassDriverBindingStart (\r | |
69 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
70 | IN EFI_HANDLE Controller,\r | |
71 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
72 | );\r | |
73 | \r | |
74 | /**\r | |
75 | Stop controlling the device.\r | |
76 | \r | |
77 | @param This The USB mass storage driver binding\r | |
78 | @param Controller The device controller controlled by the driver.\r | |
79 | @param NumberOfChildren The number of children of this device\r | |
80 | @param ChildHandleBuffer The buffer of children handle.\r | |
81 | \r | |
82 | @retval EFI_SUCCESS The driver stopped from controlling the device.\r | |
3e03cb4d | 83 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r |
84 | @retval EFI_UNSUPPORTED Block I/O Protocol is not installed on Controller.\r | |
d80ed2a7 | 85 | @retval Others Failed to stop the driver\r |
86 | \r | |
87 | **/\r | |
88 | EFI_STATUS\r | |
89 | EFIAPI\r | |
90 | USBMassDriverBindingStop (\r | |
91 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
92 | IN EFI_HANDLE Controller,\r | |
93 | IN UINTN NumberOfChildren,\r | |
94 | IN EFI_HANDLE *ChildHandleBuffer\r | |
95 | );\r | |
96 | \r | |
97 | //\r | |
98 | // Functions for Block I/O Protocol\r | |
99 | //\r | |
100 | \r | |
101 | /**\r | |
102 | Reset the block device.\r | |
103 | \r | |
d1102dba | 104 | This function implements EFI_BLOCK_IO_PROTOCOL.Reset().\r |
d80ed2a7 | 105 | It resets the block device hardware.\r |
106 | ExtendedVerification is ignored in this implementation.\r | |
107 | \r | |
108 | @param This Indicates a pointer to the calling context.\r | |
109 | @param ExtendedVerification Indicates that the driver may perform a more exhaustive\r | |
110 | verification operation of the device during reset.\r | |
111 | \r | |
112 | @retval EFI_SUCCESS The block device was reset.\r | |
113 | @retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.\r | |
114 | \r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
117 | EFIAPI\r | |
118 | UsbMassReset (\r | |
119 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
120 | IN BOOLEAN ExtendedVerification\r | |
121 | );\r | |
122 | \r | |
123 | /**\r | |
124 | Reads the requested number of blocks from the device.\r | |
125 | \r | |
d1102dba | 126 | This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks().\r |
d80ed2a7 | 127 | It reads the requested number of blocks from the device.\r |
128 | All the blocks are read, or an error is returned.\r | |
129 | \r | |
130 | @param This Indicates a pointer to the calling context.\r | |
131 | @param MediaId The media ID that the read request is for.\r | |
132 | @param Lba The starting logical block address to read from on the device.\r | |
133 | @param BufferSize The size of the Buffer in bytes.\r | |
134 | This must be a multiple of the intrinsic block size of the device.\r | |
135 | @param Buffer A pointer to the destination buffer for the data. The caller is\r | |
136 | responsible for either having implicit or explicit ownership of the buffer.\r | |
137 | \r | |
138 | @retval EFI_SUCCESS The data was read correctly from the device.\r | |
139 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.\r | |
140 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
141 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
142 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.\r | |
143 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r | |
144 | or the buffer is not on proper alignment.\r | |
145 | \r | |
146 | **/\r | |
147 | EFI_STATUS\r | |
148 | EFIAPI\r | |
149 | UsbMassReadBlocks (\r | |
150 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
151 | IN UINT32 MediaId,\r | |
152 | IN EFI_LBA Lba,\r | |
153 | IN UINTN BufferSize,\r | |
154 | OUT VOID *Buffer\r | |
155 | );\r | |
156 | \r | |
157 | /**\r | |
158 | Writes a specified number of blocks to the device.\r | |
159 | \r | |
d1102dba | 160 | This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks().\r |
d80ed2a7 | 161 | It writes a specified number of blocks to the device.\r |
162 | All blocks are written, or an error is returned.\r | |
163 | \r | |
164 | @param This Indicates a pointer to the calling context.\r | |
165 | @param MediaId The media ID that the write request is for.\r | |
166 | @param Lba The starting logical block address to be written.\r | |
167 | @param BufferSize The size of the Buffer in bytes.\r | |
168 | This must be a multiple of the intrinsic block size of the device.\r | |
169 | @param Buffer Pointer to the source buffer for the data.\r | |
170 | \r | |
171 | @retval EFI_SUCCESS The data were written correctly to the device.\r | |
172 | @retval EFI_WRITE_PROTECTED The device cannot be written to.\r | |
173 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
174 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
175 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.\r | |
176 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic\r | |
177 | block size of the device.\r | |
178 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r | |
179 | or the buffer is not on proper alignment.\r | |
180 | \r | |
181 | **/\r | |
182 | EFI_STATUS\r | |
183 | EFIAPI\r | |
184 | UsbMassWriteBlocks (\r | |
185 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
186 | IN UINT32 MediaId,\r | |
187 | IN EFI_LBA Lba,\r | |
188 | IN UINTN BufferSize,\r | |
189 | IN VOID *Buffer\r | |
190 | );\r | |
191 | \r | |
192 | /**\r | |
193 | Flushes all modified data to a physical block device.\r | |
194 | \r | |
195 | This function implements EFI_BLOCK_IO_PROTOCOL.FlushBlocks().\r | |
196 | USB mass storage device doesn't support write cache,\r | |
197 | so return EFI_SUCCESS directly.\r | |
198 | \r | |
199 | @param This Indicates a pointer to the calling context.\r | |
200 | \r | |
201 | @retval EFI_SUCCESS All outstanding data were written correctly to the device.\r | |
202 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.\r | |
203 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
204 | \r | |
205 | **/\r | |
206 | EFI_STATUS\r | |
207 | EFIAPI\r | |
208 | UsbMassFlushBlocks (\r | |
209 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
210 | );\r | |
211 | \r | |
3e03cb4d | 212 | //\r |
213 | // EFI Component Name Functions\r | |
214 | //\r | |
215 | \r | |
216 | /**\r | |
217 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
218 | \r | |
219 | This function retrieves the user readable name of a driver in the form of a\r | |
220 | Unicode string. If the driver specified by This has a user readable name in\r | |
221 | the language specified by Language, then a pointer to the driver name is\r | |
222 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
223 | by This does not support the language specified by Language,\r | |
224 | then EFI_UNSUPPORTED is returned.\r | |
225 | \r | |
226 | @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
227 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
228 | @param Language A pointer to a Null-terminated ASCII string\r | |
229 | array indicating the language. This is the\r | |
230 | language of the driver name that the caller is\r | |
231 | requesting, and it must match one of the\r | |
232 | languages specified in SupportedLanguages. The\r | |
233 | number of languages supported by a driver is up\r | |
234 | to the driver writer. Language is specified\r | |
0254efc0 | 235 | in RFC 4646 or ISO 639-2 language code format.\r |
3e03cb4d | 236 | @param DriverName A pointer to the Unicode string to return.\r |
237 | This Unicode string is the name of the\r | |
238 | driver specified by This in the language\r | |
239 | specified by Language.\r | |
240 | \r | |
241 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
242 | This and the language specified by Language was\r | |
243 | returned in DriverName.\r | |
244 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
245 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
246 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
247 | the language specified by Language.\r | |
248 | \r | |
249 | **/\r | |
250 | EFI_STATUS\r | |
251 | EFIAPI\r | |
252 | UsbMassStorageGetDriverName (\r | |
253 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
254 | IN CHAR8 *Language,\r | |
255 | OUT CHAR16 **DriverName\r | |
256 | );\r | |
257 | \r | |
258 | \r | |
259 | /**\r | |
260 | Retrieves a Unicode string that is the user readable name of the controller\r | |
261 | that is being managed by a driver.\r | |
262 | \r | |
263 | This function retrieves the user readable name of the controller specified by\r | |
264 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
265 | driver specified by This has a user readable name in the language specified by\r | |
266 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
267 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
268 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
269 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
270 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
271 | \r | |
272 | @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
273 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
274 | @param ControllerHandle The handle of a controller that the driver\r | |
275 | specified by This is managing. This handle\r | |
276 | specifies the controller whose name is to be\r | |
277 | returned.\r | |
278 | @param ChildHandle The handle of the child controller to retrieve\r | |
279 | the name of. This is an optional parameter that\r | |
280 | may be NULL. It will be NULL for device\r | |
281 | drivers. It will also be NULL for a bus drivers\r | |
282 | that wish to retrieve the name of the bus\r | |
283 | controller. It will not be NULL for a bus\r | |
284 | driver that wishes to retrieve the name of a\r | |
285 | child controller.\r | |
286 | @param Language A pointer to a Null-terminated ASCII string\r | |
287 | array indicating the language. This is the\r | |
288 | language of the driver name that the caller is\r | |
289 | requesting, and it must match one of the\r | |
290 | languages specified in SupportedLanguages. The\r | |
291 | number of languages supported by a driver is up\r | |
292 | to the driver writer. Language is specified in\r | |
0254efc0 | 293 | RFC 4646 or ISO 639-2 language code format.\r |
3e03cb4d | 294 | @param ControllerName A pointer to the Unicode string to return.\r |
295 | This Unicode string is the name of the\r | |
296 | controller specified by ControllerHandle and\r | |
297 | ChildHandle in the language specified by\r | |
298 | Language from the point of view of the driver\r | |
299 | specified by This.\r | |
300 | \r | |
301 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
302 | the language specified by Language for the\r | |
303 | driver specified by This was returned in\r | |
304 | DriverName.\r | |
284ee2e8 | 305 | @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r |
3e03cb4d | 306 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r |
307 | EFI_HANDLE.\r | |
308 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
309 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
310 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
311 | managing the controller specified by\r | |
312 | ControllerHandle and ChildHandle.\r | |
313 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
314 | the language specified by Language.\r | |
315 | \r | |
316 | **/\r | |
317 | EFI_STATUS\r | |
318 | EFIAPI\r | |
319 | UsbMassStorageGetControllerName (\r | |
320 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
321 | IN EFI_HANDLE ControllerHandle,\r | |
322 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
323 | IN CHAR8 *Language,\r | |
324 | OUT CHAR16 **ControllerName\r | |
325 | );\r | |
d80ed2a7 | 326 | \r |
e237e7ae | 327 | #endif\r |