projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 0591696e FT |
1 | /** @file\r |
| 2 | UfsHcDxe driver is used to provide platform-dependent info, mainly UFS host controller\r | |
| 3 | MMIO base, to upper layer UFS drivers.\r | |
| 4 | \r | |
| d1102dba | 5 | Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| 9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 0591696e FT |
7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #ifndef _EFI_UFS_HOST_CONTROLLER_H_\r | |
| 11 | #define _EFI_UFS_HOST_CONTROLLER_H_\r | |
| 12 | \r | |
| 13 | #include <Uefi.h>\r | |
| 14 | \r | |
| 15 | #include <IndustryStandard/Pci.h>\r | |
| 095f0779 | 16 | #include <IndustryStandard/Acpi.h>\r |
| 0591696e FT |
17 | \r |
| 18 | #include <Protocol/ComponentName.h>\r | |
| 19 | #include <Protocol/ComponentName2.h>\r | |
| 20 | #include <Protocol/DriverBinding.h>\r | |
| 21 | #include <Protocol/LoadedImage.h>\r | |
| 22 | #include <Protocol/DevicePath.h>\r | |
| 23 | #include <Protocol/PciIo.h>\r | |
| 24 | #include <Protocol/UfsHostController.h>\r | |
| 25 | \r | |
| 26 | #include <Library/BaseLib.h>\r | |
| 27 | #include <Library/DebugLib.h>\r | |
| 28 | #include <Library/UefiLib.h>\r | |
| 0591696e FT |
29 | #include <Library/MemoryAllocationLib.h>\r |
| 30 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 31 | #include <Library/UefiDriverEntryPoint.h>\r | |
| 32 | \r | |
| 33 | extern EFI_DRIVER_BINDING_PROTOCOL gUfsHcDriverBinding;\r | |
| 34 | extern EFI_COMPONENT_NAME_PROTOCOL gUfsHcComponentName;\r | |
| 35 | extern EFI_COMPONENT_NAME2_PROTOCOL gUfsHcComponentName2;\r | |
| 36 | \r | |
| 37 | //\r | |
| 38 | // Unique signature for private data structure.\r | |
| 39 | //\r | |
| 40 | #define UFS_HC_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('U','F','S','H')\r | |
| 41 | \r | |
| 42 | typedef struct _UFS_HOST_CONTROLLER_PRIVATE_DATA UFS_HOST_CONTROLLER_PRIVATE_DATA;\r | |
| 43 | \r | |
| 44 | //\r | |
| c36ea72e | 45 | // Ufs host controller private data structure.\r |
| 0591696e FT |
46 | //\r |
| 47 | struct _UFS_HOST_CONTROLLER_PRIVATE_DATA {\r | |
| 48 | UINT32 Signature;\r | |
| 0591696e FT |
49 | \r |
| 50 | EDKII_UFS_HOST_CONTROLLER_PROTOCOL UfsHc;\r | |
| d1102dba | 51 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
| 095f0779 | 52 | UINT8 BarIndex;\r |
| 0591696e FT |
53 | UINT64 PciAttributes;\r |
| 54 | };\r | |
| 55 | \r | |
| 56 | #define UFS_HOST_CONTROLLER_PRIVATE_DATA_FROM_UFSHC(a) \\r | |
| 57 | CR (a, \\r | |
| 58 | UFS_HOST_CONTROLLER_PRIVATE_DATA, \\r | |
| 59 | UfsHc, \\r | |
| 60 | UFS_HC_PRIVATE_DATA_SIGNATURE \\r | |
| 61 | )\r | |
| 62 | \r | |
| 63 | /**\r | |
| 64 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
| 65 | \r | |
| 66 | This function retrieves the user readable name of a driver in the form of a\r | |
| 67 | Unicode string. If the driver specified by This has a user readable name in\r | |
| 68 | the language specified by Language, then a pointer to the driver name is\r | |
| 69 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
| 70 | by This does not support the language specified by Language,\r | |
| 71 | then EFI_UNSUPPORTED is returned.\r | |
| 72 | \r | |
| 73 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 74 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 75 | \r | |
| 76 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 77 | array indicating the language. This is the\r | |
| 78 | language of the driver name that the caller is\r | |
| 79 | requesting, and it must match one of the\r | |
| 80 | languages specified in SupportedLanguages. The\r | |
| 81 | number of languages supported by a driver is up\r | |
| 82 | to the driver writer. Language is specified\r | |
| 83 | in RFC 4646 or ISO 639-2 language code format.\r | |
| 84 | \r | |
| 85 | @param DriverName[out] A pointer to the Unicode string to return.\r | |
| 86 | This Unicode string is the name of the\r | |
| 87 | driver specified by This in the language\r | |
| 88 | specified by Language.\r | |
| 89 | \r | |
| 90 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
| 91 | This and the language specified by Language was\r | |
| 92 | returned in DriverName.\r | |
| 93 | \r | |
| 94 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 95 | \r | |
| 96 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
| 97 | \r | |
| 98 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 99 | the language specified by Language.\r | |
| 100 | \r | |
| 101 | **/\r | |
| 102 | EFI_STATUS\r | |
| 103 | EFIAPI\r | |
| 104 | UfsHcComponentNameGetDriverName (\r | |
| 105 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 106 | IN CHAR8 *Language,\r | |
| 107 | OUT CHAR16 **DriverName\r | |
| 108 | );\r | |
| 109 | \r | |
| 110 | /**\r | |
| 111 | Retrieves a Unicode string that is the user readable name of the controller\r | |
| 112 | that is being managed by a driver.\r | |
| 113 | \r | |
| 114 | This function retrieves the user readable name of the controller specified by\r | |
| 115 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
| 116 | driver specified by This has a user readable name in the language specified by\r | |
| 117 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
| 118 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
| 119 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
| 120 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
| 121 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
| 122 | \r | |
| 123 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 124 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 125 | \r | |
| 126 | @param ControllerHandle[in] The handle of a controller that the driver\r | |
| 127 | specified by This is managing. This handle\r | |
| 128 | specifies the controller whose name is to be\r | |
| 129 | returned.\r | |
| 130 | \r | |
| 131 | @param ChildHandle[in] The handle of the child controller to retrieve\r | |
| 132 | the name of. This is an optional parameter that\r | |
| 133 | may be NULL. It will be NULL for device\r | |
| 134 | drivers. It will also be NULL for a bus drivers\r | |
| 135 | that wish to retrieve the name of the bus\r | |
| 136 | controller. It will not be NULL for a bus\r | |
| 137 | driver that wishes to retrieve the name of a\r | |
| 138 | child controller.\r | |
| 139 | \r | |
| 140 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 141 | array indicating the language. This is the\r | |
| 142 | language of the driver name that the caller is\r | |
| 143 | requesting, and it must match one of the\r | |
| 144 | languages specified in SupportedLanguages. The\r | |
| 145 | number of languages supported by a driver is up\r | |
| 146 | to the driver writer. Language is specified in\r | |
| 147 | RFC 4646 or ISO 639-2 language code format.\r | |
| 148 | \r | |
| 149 | @param ControllerName[out] A pointer to the Unicode string to return.\r | |
| 150 | This Unicode string is the name of the\r | |
| 151 | controller specified by ControllerHandle and\r | |
| 152 | ChildHandle in the language specified by\r | |
| 153 | Language from the point of view of the driver\r | |
| 154 | specified by This.\r | |
| 155 | \r | |
| 156 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
| 157 | the language specified by Language for the\r | |
| 158 | driver specified by This was returned in\r | |
| 159 | DriverName.\r | |
| 160 | \r | |
| 161 | @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r | |
| 162 | \r | |
| 163 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r | |
| 164 | EFI_HANDLE.\r | |
| 165 | \r | |
| 166 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 167 | \r | |
| 168 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
| 169 | \r | |
| 170 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
| 171 | managing the controller specified by\r | |
| 172 | ControllerHandle and ChildHandle.\r | |
| 173 | \r | |
| 174 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 175 | the language specified by Language.\r | |
| 176 | \r | |
| 177 | **/\r | |
| 178 | EFI_STATUS\r | |
| 179 | EFIAPI\r | |
| 180 | UfsHcComponentNameGetControllerName (\r | |
| 181 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 182 | IN EFI_HANDLE ControllerHandle,\r | |
| 183 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
| 184 | IN CHAR8 *Language,\r | |
| 185 | OUT CHAR16 **ControllerName\r | |
| 186 | );\r | |
| 187 | \r | |
| 188 | /**\r | |
| 189 | Tests to see if this driver supports a given controller. If a child device is provided,\r | |
| 190 | it further tests to see if this driver supports creating a handle for the specified child device.\r | |
| 191 | \r | |
| 192 | This function checks to see if the driver specified by This supports the device specified by\r | |
| 193 | ControllerHandle. Drivers will typically use the device path attached to\r | |
| 194 | ControllerHandle and/or the services from the bus I/O abstraction attached to\r | |
| 195 | ControllerHandle to determine if the driver supports ControllerHandle. This function\r | |
| 196 | may be called many times during platform initialization. In order to reduce boot times, the tests\r | |
| 197 | performed by this function must be very small, and take as little time as possible to execute. This\r | |
| 198 | function must not change the state of any hardware devices, and this function must be aware that the\r | |
| 199 | device specified by ControllerHandle may already be managed by the same driver or a\r | |
| 200 | different driver. This function must match its calls to AllocatePages() with FreePages(),\r | |
| 201 | AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().\r | |
| 202 | Since ControllerHandle may have been previously started by the same driver, if a protocol is\r | |
| 203 | already in the opened state, then it must not be closed with CloseProtocol(). This is required\r | |
| 204 | to guarantee the state of ControllerHandle is not modified by this function.\r | |
| 205 | \r | |
| 206 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 207 | @param[in] ControllerHandle The handle of the controller to test. This handle\r | |
| 208 | must support a protocol interface that supplies\r | |
| 209 | an I/O abstraction to the driver.\r | |
| 210 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
| 211 | parameter is ignored by device drivers, and is optional for bus\r | |
| 212 | drivers. For bus drivers, if this parameter is not NULL, then\r | |
| 213 | the bus driver must determine if the bus controller specified\r | |
| 214 | by ControllerHandle and the child controller specified\r | |
| 215 | by RemainingDevicePath are both supported by this\r | |
| 216 | bus driver.\r | |
| 217 | \r | |
| 218 | @retval EFI_SUCCESS The device specified by ControllerHandle and\r | |
| 219 | RemainingDevicePath is supported by the driver specified by This.\r | |
| 220 | @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r | |
| 221 | RemainingDevicePath is already being managed by the driver\r | |
| 222 | specified by This.\r | |
| 223 | @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r | |
| 224 | RemainingDevicePath is already being managed by a different\r | |
| 225 | driver or an application that requires exclusive access.\r | |
| 226 | Currently not implemented.\r | |
| 227 | @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r | |
| 228 | RemainingDevicePath is not supported by the driver specified by This.\r | |
| 229 | **/\r | |
| 230 | EFI_STATUS\r | |
| 231 | EFIAPI\r | |
| 232 | UfsHcDriverBindingSupported (\r | |
| 233 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 234 | IN EFI_HANDLE Controller,\r | |
| 235 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 236 | );\r | |
| 237 | \r | |
| 238 | /**\r | |
| 239 | Starts a device controller or a bus controller.\r | |
| 240 | \r | |
| 241 | The Start() function is designed to be invoked from the EFI boot service ConnectController().\r | |
| 242 | As a result, much of the error checking on the parameters to Start() has been moved into this\r | |
| 243 | common boot service. It is legal to call Start() from other locations,\r | |
| 244 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
| 245 | 1. ControllerHandle must be a valid EFI_HANDLE.\r | |
| 246 | 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r | |
| 247 | EFI_DEVICE_PATH_PROTOCOL.\r | |
| 248 | 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r | |
| 249 | have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.\r | |
| 250 | \r | |
| 251 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 252 | @param[in] ControllerHandle The handle of the controller to start. This handle\r | |
| 253 | must support a protocol interface that supplies\r | |
| 254 | an I/O abstraction to the driver.\r | |
| 255 | @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This\r | |
| 256 | parameter is ignored by device drivers, and is optional for bus\r | |
| 257 | drivers. For a bus driver, if this parameter is NULL, then handles\r | |
| 258 | for all the children of Controller are created by this driver.\r | |
| 259 | If this parameter is not NULL and the first Device Path Node is\r | |
| 260 | not the End of Device Path Node, then only the handle for the\r | |
| 261 | child device specified by the first Device Path Node of\r | |
| 262 | RemainingDevicePath is created by this driver.\r | |
| 263 | If the first Device Path Node of RemainingDevicePath is\r | |
| 264 | the End of Device Path Node, no child handle is created by this\r | |
| 265 | driver.\r | |
| 266 | \r | |
| 267 | @retval EFI_SUCCESS The device was started.\r | |
| 268 | @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.\r | |
| 269 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
| 270 | @retval Others The driver failded to start the device.\r | |
| 271 | \r | |
| 272 | **/\r | |
| 273 | EFI_STATUS\r | |
| 274 | EFIAPI\r | |
| 275 | UfsHcDriverBindingStart (\r | |
| 276 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 277 | IN EFI_HANDLE Controller,\r | |
| 278 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 279 | );\r | |
| 280 | \r | |
| 281 | /**\r | |
| 282 | Stops a device controller or a bus controller.\r | |
| 283 | \r | |
| 284 | The Stop() function is designed to be invoked from the EFI boot service DisconnectController().\r | |
| 285 | As a result, much of the error checking on the parameters to Stop() has been moved\r | |
| 286 | into this common boot service. It is legal to call Stop() from other locations,\r | |
| 287 | but the following calling restrictions must be followed or the system behavior will not be deterministic.\r | |
| 288 | 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r | |
| 289 | same driver's Start() function.\r | |
| 290 | 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r | |
| 291 | EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r | |
| 292 | Start() function, and the Start() function must have called OpenProtocol() on\r | |
| 293 | ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
| 294 | \r | |
| 295 | @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r | |
| 296 | @param[in] ControllerHandle A handle to the device being stopped. The handle must\r | |
| 297 | support a bus specific I/O protocol for the driver\r | |
| 298 | to use to stop the device.\r | |
| 299 | @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r | |
| 300 | @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL\r | |
| 301 | if NumberOfChildren is 0.\r | |
| 302 | \r | |
| 303 | @retval EFI_SUCCESS The device was stopped.\r | |
| 304 | @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r | |
| 305 | \r | |
| 306 | **/\r | |
| 307 | EFI_STATUS\r | |
| 308 | EFIAPI\r | |
| 309 | UfsHcDriverBindingStop (\r | |
| 310 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 311 | IN EFI_HANDLE Controller,\r | |
| 312 | IN UINTN NumberOfChildren,\r | |
| 313 | IN EFI_HANDLE *ChildHandleBuffer\r | |
| 314 | );\r | |
| 315 | \r | |
| 316 | /**\r | |
| 317 | Get the MMIO base of the UFS host controller.\r | |
| 318 | \r | |
| 319 | @param[in] This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 320 | @param[out] MmioBar The MMIO base address of UFS host controller.\r | |
| 321 | \r | |
| 322 | @retval EFI_SUCCESS The operation succeeds.\r | |
| 323 | @retval others The operation fails.\r | |
| 324 | **/\r | |
| 325 | EFI_STATUS\r | |
| 326 | EFIAPI\r | |
| 327 | UfsHcGetMmioBar (\r | |
| 328 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 329 | OUT UINTN *MmioBar\r | |
| 330 | );\r | |
| 331 | \r | |
| d1102dba | 332 | /**\r |
| 0591696e | 333 | Provides the UFS controller-specific addresses needed to access system memory.\r |
| d1102dba | 334 | \r |
| 0591696e FT |
335 | @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r |
| 336 | @param Operation Indicates if the bus master is going to read or write to system memory.\r | |
| 337 | @param HostAddress The system memory address to map to the UFS controller.\r | |
| 338 | @param NumberOfBytes On input the number of bytes to map. On output the number of bytes\r | |
| d1102dba | 339 | that were mapped.\r |
| 0591696e | 340 | @param DeviceAddress The resulting map address for the bus master UFS controller to use to\r |
| d1102dba | 341 | access the hosts HostAddress.\r |
| 0591696e | 342 | @param Mapping A resulting value to pass to Unmap().\r |
| d1102dba | 343 | \r |
| 0591696e | 344 | @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.\r |
| d1102dba | 345 | @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.\r |
| 0591696e FT |
346 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r |
| 347 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
| 348 | @retval EFI_DEVICE_ERROR The system hardware could not map the requested address.\r | |
| d1102dba | 349 | \r |
| 0591696e FT |
350 | **/\r |
| 351 | EFI_STATUS\r | |
| 352 | EFIAPI\r | |
| 353 | UfsHcMap (\r | |
| 354 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 355 | IN EDKII_UFS_HOST_CONTROLLER_OPERATION Operation,\r | |
| 356 | IN VOID *HostAddress,\r | |
| 357 | IN OUT UINTN *NumberOfBytes,\r | |
| 358 | OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,\r | |
| 359 | OUT VOID **Mapping\r | |
| 360 | );\r | |
| 361 | \r | |
| d1102dba | 362 | /**\r |
| 0591696e | 363 | Completes the Map() operation and releases any corresponding resources.\r |
| d1102dba LG |
364 | \r |
| 365 | @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 0591696e | 366 | @param Mapping The mapping value returned from Map().\r |
| d1102dba | 367 | \r |
| 0591696e FT |
368 | @retval EFI_SUCCESS The range was unmapped.\r |
| 369 | @retval EFI_DEVICE_ERROR The data was not committed to the target system memory.\r | |
| d1102dba | 370 | \r |
| 0591696e FT |
371 | **/\r |
| 372 | EFI_STATUS\r | |
| 373 | EFIAPI\r | |
| 374 | UfsHcUnmap (\r | |
| 375 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 376 | IN VOID *Mapping\r | |
| 377 | );\r | |
| 378 | \r | |
| d1102dba | 379 | /**\r |
| 0591696e | 380 | Allocates pages that are suitable for an EfiUfsHcOperationBusMasterCommonBuffer\r |
| d1102dba LG |
381 | mapping.\r |
| 382 | \r | |
| 0591696e FT |
383 | @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r |
| 384 | @param Type This parameter is not used and must be ignored.\r | |
| 385 | @param MemoryType The type of memory to allocate, EfiBootServicesData or\r | |
| d1102dba LG |
386 | EfiRuntimeServicesData.\r |
| 387 | @param Pages The number of pages to allocate.\r | |
| 0591696e | 388 | @param HostAddress A pointer to store the base system memory address of the\r |
| d1102dba | 389 | allocated range.\r |
| 0591696e | 390 | @param Attributes The requested bit mask of attributes for the allocated range.\r |
| d1102dba | 391 | \r |
| 0591696e FT |
392 | @retval EFI_SUCCESS The requested memory pages were allocated.\r |
| 393 | @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are\r | |
| d1102dba | 394 | MEMORY_WRITE_COMBINE and MEMORY_CACHED.\r |
| 0591696e | 395 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r |
| d1102dba LG |
396 | @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.\r |
| 397 | \r | |
| 0591696e FT |
398 | **/\r |
| 399 | EFI_STATUS\r | |
| 400 | EFIAPI\r | |
| 401 | UfsHcAllocateBuffer (\r | |
| 402 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 403 | IN EFI_ALLOCATE_TYPE Type,\r | |
| 404 | IN EFI_MEMORY_TYPE MemoryType,\r | |
| 405 | IN UINTN Pages,\r | |
| 406 | OUT VOID **HostAddress,\r | |
| 407 | IN UINT64 Attributes\r | |
| 408 | );\r | |
| 409 | \r | |
| d1102dba | 410 | /**\r |
| 0591696e | 411 | Frees memory that was allocated with AllocateBuffer().\r |
| d1102dba LG |
412 | \r |
| 413 | @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 414 | @param Pages The number of pages to free.\r | |
| 415 | @param HostAddress The base system memory address of the allocated range.\r | |
| 416 | \r | |
| 0591696e FT |
417 | @retval EFI_SUCCESS The requested memory pages were freed.\r |
| 418 | @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages\r | |
| 419 | was not allocated with AllocateBuffer().\r | |
| d1102dba | 420 | \r |
| 0591696e FT |
421 | **/\r |
| 422 | EFI_STATUS\r | |
| 423 | EFIAPI\r | |
| 424 | UfsHcFreeBuffer (\r | |
| 425 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 426 | IN UINTN Pages,\r | |
| 427 | IN VOID *HostAddress\r | |
| 428 | );\r | |
| 429 | \r | |
| d1102dba | 430 | /**\r |
| 0591696e | 431 | Flushes all posted write transactions from the UFS bus to attached UFS device.\r |
| d1102dba LG |
432 | \r |
| 433 | @param This A pointer to the EFI_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 434 | \r | |
| 0591696e | 435 | @retval EFI_SUCCESS The posted write transactions were flushed from the UFS bus\r |
| d1102dba | 436 | to attached UFS device.\r |
| 0591696e | 437 | @retval EFI_DEVICE_ERROR The posted write transactions were not flushed from the UFS\r |
| d1102dba LG |
438 | bus to attached UFS device due to a hardware error.\r |
| 439 | \r | |
| 0591696e FT |
440 | **/\r |
| 441 | EFI_STATUS\r | |
| 442 | EFIAPI\r | |
| 443 | UfsHcFlush (\r | |
| 444 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This\r | |
| 445 | );\r | |
| 446 | \r | |
| d1102dba | 447 | /**\r |
| 095f0779 FT |
448 | Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space.\r |
| 449 | \r | |
| 450 | @param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 451 | @param Width Signifies the width of the memory operations.\r | |
| 452 | @param Offset The offset within the UFS Host Controller MMIO space to start the\r | |
| 453 | memory operation.\r | |
| 454 | @param Count The number of memory operations to perform.\r | |
| 455 | @param Buffer For read operations, the destination buffer to store the results.\r | |
| 456 | For write operations, the source buffer to write data from.\r | |
| 457 | \r | |
| 458 | @retval EFI_SUCCESS The data was read from or written to the UFS host controller.\r | |
| 459 | @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not\r | |
| 460 | valid for the UFS Host Controller memory space.\r | |
| 461 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
| 462 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
| 463 | \r | |
| 464 | **/\r | |
| 465 | EFI_STATUS\r | |
| 466 | EFIAPI\r | |
| 467 | UfsHcMmioRead (\r | |
| 468 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 469 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL_WIDTH Width,\r | |
| 470 | IN UINT64 Offset,\r | |
| 471 | IN UINTN Count,\r | |
| 472 | IN OUT VOID *Buffer\r | |
| 473 | );\r | |
| 474 | \r | |
| d1102dba | 475 | /**\r |
| 095f0779 FT |
476 | Enable a UFS bus driver to access UFS MMIO registers in the UFS Host Controller memory space.\r |
| 477 | \r | |
| 478 | @param This A pointer to the EDKII_UFS_HOST_CONTROLLER_PROTOCOL instance.\r | |
| 479 | @param Width Signifies the width of the memory operations.\r | |
| 480 | @param Offset The offset within the UFS Host Controller MMIO space to start the\r | |
| 481 | memory operation.\r | |
| 482 | @param Count The number of memory operations to perform.\r | |
| 483 | @param Buffer For read operations, the destination buffer to store the results.\r | |
| 484 | For write operations, the source buffer to write data from.\r | |
| 485 | \r | |
| 486 | @retval EFI_SUCCESS The data was read from or written to the UFS host controller.\r | |
| 487 | @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not\r | |
| 488 | valid for the UFS Host Controller memory space.\r | |
| 489 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r | |
| 490 | @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r | |
| 491 | \r | |
| 492 | **/\r | |
| 493 | EFI_STATUS\r | |
| 494 | EFIAPI\r | |
| 495 | UfsHcMmioWrite (\r | |
| 496 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL *This,\r | |
| 497 | IN EDKII_UFS_HOST_CONTROLLER_PROTOCOL_WIDTH Width,\r | |
| 498 | IN UINT64 Offset,\r | |
| 499 | IN UINTN Count,\r | |
| 500 | IN OUT VOID *Buffer\r | |
| 501 | );\r | |
| 502 | \r | |
| 0591696e | 503 | #endif\r |