OvmfPkg/SataControllerDxe/SataController.h

   1 /** @file
   2   Header file for Sata Controller driver.
   3
   4   Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef _SATA_CONTROLLER_H_
  16 #define _SATA_CONTROLLER_H_
  17
  18 #include <Uefi.h>
  19 #include <Protocol/ComponentName.h>
  20 #include <Protocol/DriverBinding.h>
  21 #include <Protocol/PciIo.h>
  22 #include <Protocol/IdeControllerInit.h>
  23 #include <Library/UefiDriverEntryPoint.h>
  24 #include <Library/DebugLib.h>
  25 #include <Library/UefiLib.h>
  26 #include <Library/BaseLib.h>
  27 #include <Library/BaseMemoryLib.h>
  28 #include <Library/MemoryAllocationLib.h>
  29 #include <Library/UefiBootServicesTableLib.h>
  30 #include <IndustryStandard/Pci.h>
  31
  32 //
  33 // Global Variables definitions
  34 //
  35 extern EFI_DRIVER_BINDING_PROTOCOL  gSataControllerDriverBinding;
  36 extern EFI_COMPONENT_NAME_PROTOCOL  gSataControllerComponentName;
  37 extern EFI_COMPONENT_NAME2_PROTOCOL gSataControllerComponentName2;
  38
  39 #define AHCI_BAR_INDEX 0x05
  40 #define R_AHCI_CAP 0x0
  41 #define   B_AHCI_CAP_NPS (BIT4 | BIT3 | BIT2 | BIT1 | BIT0) // Number of Ports
  42 #define   B_AHCI_CAP_SPM BIT17 // Supports Port Multiplier
  43
  44 ///
  45 /// AHCI each channel can have up to 1 device
  46 ///
  47 #define AHCI_MAX_DEVICES 0x01
  48
  49 ///
  50 /// AHCI each channel can have 15 devices in the presence of a multiplier
  51 ///
  52 #define AHCI_MULTI_MAX_DEVICES 0x0F
  53
  54 ///
  55 /// IDE supports 2 channel max
  56 ///
  57 #define IDE_MAX_CHANNEL 0x02
  58
  59 ///
  60 /// IDE supports 2 devices max
  61 ///
  62 #define IDE_MAX_DEVICES 0x02
  63
  64 #define SATA_ENUMER_ALL FALSE
  65
  66 //
  67 // Sata Controller driver private data structure
  68 //
  69
  70 #define SATA_CONTROLLER_SIGNATURE SIGNATURE_32('S','A','T','A')
  71
  72 typedef struct _EFI_SATA_CONTROLLER_PRIVATE_DATA {
  73   //
  74   // Standard signature used to identify Sata Controller private data
  75   //
  76   UINT32                            Signature;
  77
  78   //
  79   // Protocol instance of IDE_CONTROLLER_INIT produced by this driver
  80   //
  81   EFI_IDE_CONTROLLER_INIT_PROTOCOL  IdeInit;
  82
  83   //
  84   // Copy of protocol pointers used by this driver
  85   //
  86   EFI_PCI_IO_PROTOCOL               *PciIo;
  87
  88   //
  89   // Original PCI attributes
  90   //
  91   UINT64                            OriginalPciAttributes;
  92
  93   //
  94   // The number of devices that are supported by this channel
  95   //
  96   UINT8                             DeviceCount;
  97
  98   //
  99   // The highest disqulified mode for each attached device,
 100   // From ATA/ATAPI spec, if a mode is not supported,
 101   // the modes higher than it is also not supported
 102   //
 103   EFI_ATA_COLLECTIVE_MODE           *DisqualifiedModes;
 104
 105   //
 106   // A copy of EFI_IDENTIFY_DATA data for each attached SATA device and its flag
 107   //
 108   EFI_IDENTIFY_DATA                 *IdentifyData;
 109   BOOLEAN                           *IdentifyValid;
 110 } EFI_SATA_CONTROLLER_PRIVATE_DATA;
 111
 112 #define SATA_CONTROLLER_PRIVATE_DATA_FROM_THIS(a) CR(a, EFI_SATA_CONTROLLER_PRIVATE_DATA, IdeInit, SATA_CONTROLLER_SIGNATURE)
 113
 114 //
 115 // Driver binding functions declaration
 116 //
 117 /**
 118   Supported function of Driver Binding protocol for this driver.
 119   Test to see if this driver supports ControllerHandle.
 120
 121   @param This                   Protocol instance pointer.
 122   @param Controller             Handle of device to test.
 123   @param RemainingDevicePath    A pointer to the device path. Should be ignored by
 124                                 device driver.
 125
 126   @retval EFI_SUCCESS           This driver supports this device.
 127   @retval EFI_ALREADY_STARTED   This driver is already running on this device.
 128   @retval other                 This driver does not support this device.
 129
 130 **/
 131 EFI_STATUS
 132 EFIAPI
 133 SataControllerSupported (
 134   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
 135   IN EFI_HANDLE                     Controller,
 136   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
 137   )
 138 ;
 139
 140 /**
 141   This routine is called right after the .Supported() called and
 142   Start this driver on ControllerHandle.
 143
 144   @param This                   Protocol instance pointer.
 145   @param Controller             Handle of device to bind driver to.
 146   @param RemainingDevicePath    A pointer to the device path. Should be ignored by
 147                                 device driver.
 148
 149   @retval EFI_SUCCESS           This driver is added to this device.
 150   @retval EFI_ALREADY_STARTED   This driver is already running on this device.
 151   @retval other                 Some error occurs when binding this driver to this device.
 152
 153 **/
 154 EFI_STATUS
 155 EFIAPI
 156 SataControllerStart (
 157   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
 158   IN EFI_HANDLE                     Controller,
 159   IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
 160   )
 161 ;
 162
 163 /**
 164   Stop this driver on ControllerHandle.
 165
 166   @param This               Protocol instance pointer.
 167   @param Controller         Handle of device to stop driver on.
 168   @param NumberOfChildren   Not used.
 169   @param ChildHandleBuffer  Not used.
 170
 171   @retval EFI_SUCCESS   This driver is removed from this device.
 172   @retval other         Some error occurs when removing this driver from this device.
 173
 174 **/
 175 EFI_STATUS
 176 EFIAPI
 177 SataControllerStop (
 178   IN EFI_DRIVER_BINDING_PROTOCOL    *This,
 179   IN EFI_HANDLE                     Controller,
 180   IN UINTN                          NumberOfChildren,
 181   IN EFI_HANDLE                     *ChildHandleBuffer
 182   )
 183 ;
 184
 185 //
 186 // IDE controller init functions declaration
 187 //
 188 /**
 189   Returns the information about the specified IDE channel.
 190
 191   This function can be used to obtain information about a particular IDE channel.
 192   The driver entity uses this information during the enumeration process.
 193
 194   If Enabled is set to FALSE, the driver entity will not scan the channel. Note
 195   that it will not prevent an operating system driver from scanning the channel.
 196
 197   For most of today's controllers, MaxDevices will either be 1 or 2. For SATA
 198   controllers, this value will always be 1. SATA configurations can contain SATA
 199   port multipliers. SATA port multipliers behave like SATA bridges and can support
 200   up to 16 devices on the other side. If a SATA port out of the IDE controller
 201   is connected to a port multiplier, MaxDevices will be set to the number of SATA
 202   devices that the port multiplier supports. Because today's port multipliers
 203   support up to fifteen SATA devices, this number can be as large as fifteen. The IDE
 204   bus driver is required to scan for the presence of port multipliers behind an SATA
 205   controller and enumerate up to MaxDevices number of devices behind the port
 206   multiplier.
 207
 208   In this context, the devices behind a port multiplier constitute a channel.
 209
 210   @param[in]  This         The pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 211   @param[in]  Channel      Zero-based channel number.
 212   @param[out] Enabled      TRUE if this channel is enabled.  Disabled channels
 213                            are not scanned to see if any devices are present.
 214   @param[out] MaxDevices   The maximum number of IDE devices that the bus driver
 215                            can expect on this channel.  For the ATA/ATAPI
 216                            specification, version 6, this number will either be
 217                            one or two. For Serial ATA (SATA) configurations with a
 218                            port multiplier, this number can be as large as fifteen.
 219
 220   @retval EFI_SUCCESS             Information was returned without any errors.
 221   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 222
 223 **/
 224 EFI_STATUS
 225 EFIAPI
 226 IdeInitGetChannelInfo (
 227   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 228   IN UINT8                              Channel,
 229   OUT BOOLEAN                           *Enabled,
 230   OUT UINT8                             *MaxDevices
 231   )
 232 ;
 233
 234 /**
 235   The notifications from the driver entity that it is about to enter a certain
 236   phase of the IDE channel enumeration process.
 237
 238   This function can be used to notify the IDE controller driver to perform
 239   specific actions, including any chipset-specific initialization, so that the
 240   chipset is ready to enter the next phase. Seven notification points are defined
 241   at this time.
 242
 243   More synchronization points may be added as required in the future.
 244
 245   @param[in] This      The pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 246   @param[in] Phase     The phase during enumeration.
 247   @param[in] Channel   Zero-based channel number.
 248
 249   @retval EFI_SUCCESS             The notification was accepted without any errors.
 250   @retval EFI_UNSUPPORTED         Phase is not supported.
 251   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 252   @retval EFI_NOT_READY           This phase cannot be entered at this time; for
 253                                   example, an attempt was made to enter a Phase
 254                                   without having entered one or more previous
 255                                   Phase.
 256
 257 **/
 258 EFI_STATUS
 259 EFIAPI
 260 IdeInitNotifyPhase (
 261   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 262   IN EFI_IDE_CONTROLLER_ENUM_PHASE      Phase,
 263   IN UINT8                              Channel
 264   )
 265 ;
 266
 267 /**
 268   Submits the device information to the IDE controller driver.
 269
 270   This function is used by the driver entity to pass detailed information about
 271   a particular device to the IDE controller driver. The driver entity obtains
 272   this information by issuing an ATA or ATAPI IDENTIFY_DEVICE command. IdentifyData
 273   is the pointer to the response data buffer. The IdentifyData buffer is owned
 274   by the driver entity, and the IDE controller driver must make a local copy
 275   of the entire buffer or parts of the buffer as needed. The original IdentifyData
 276   buffer pointer may not be valid when
 277
 278     - EFI_IDE_CONTROLLER_INIT_PROTOCOL.CalculateMode() or
 279     - EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyMode() is called at a later point.
 280
 281   The IDE controller driver may consult various fields of EFI_IDENTIFY_DATA to
 282   compute the optimum mode for the device. These fields are not limited to the
 283   timing information. For example, an implementation of the IDE controller driver
 284   may examine the vendor and type/mode field to match known bad drives.
 285
 286   The driver entity may submit drive information in any order, as long as it
 287   submits information for all the devices belonging to the enumeration group
 288   before EFI_IDE_CONTROLLER_INIT_PROTOCOL.CalculateMode() is called for any device
 289   in that enumeration group. If a device is absent, EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData()
 290   should be called with IdentifyData set to NULL.  The IDE controller driver may
 291   not have any other mechanism to know whether a device is present or not. Therefore,
 292   setting IdentifyData to NULL does not constitute an error condition.
 293   EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData() can be called only once for a
 294   given (Channel, Device) pair.
 295
 296   @param[in] This           A pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 297   @param[in] Channel        Zero-based channel number.
 298   @param[in] Device         Zero-based device number on the Channel.
 299   @param[in] IdentifyData   The device's response to the ATA IDENTIFY_DEVICE command.
 300
 301   @retval EFI_SUCCESS             The information was accepted without any errors.
 302   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 303   @retval EFI_INVALID_PARAMETER   Device is invalid.
 304
 305 **/
 306 EFI_STATUS
 307 EFIAPI
 308 IdeInitSubmitData (
 309   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 310   IN UINT8                              Channel,
 311   IN UINT8                              Device,
 312   IN EFI_IDENTIFY_DATA                  *IdentifyData
 313   )
 314 ;
 315
 316 /**
 317   Disqualifies specific modes for an IDE device.
 318
 319   This function allows the driver entity or other drivers (such as platform
 320   drivers) to reject certain timing modes and request the IDE controller driver
 321   to recalculate modes. This function allows the driver entity and the IDE
 322   controller driver to negotiate the timings on a per-device basis. This function
 323   is useful in the case of drives that lie about their capabilities. An example
 324   is when the IDE device fails to accept the timing modes that are calculated
 325   by the IDE controller driver based on the response to the Identify Drive command.
 326
 327   If the driver entity does not want to limit the ATA timing modes and leave that
 328   decision to the IDE controller driver, it can either not call this function for
 329   the given device or call this function and set the Valid flag to FALSE for all
 330   modes that are listed in EFI_ATA_COLLECTIVE_MODE.
 331
 332   The driver entity may disqualify modes for a device in any order and any number
 333   of times.
 334
 335   This function can be called multiple times to invalidate multiple modes of the
 336   same type (e.g., Programmed Input/Output [PIO] modes 3 and 4). See the ATA/ATAPI
 337   specification for more information on PIO modes.
 338
 339   For Serial ATA (SATA) controllers, this member function can be used to disqualify
 340   a higher transfer rate mode on a given channel. For example, a platform driver
 341   may inform the IDE controller driver to not use second-generation (Gen2) speeds
 342   for a certain SATA drive.
 343
 344   @param[in] This       The pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 345   @param[in] Channel    The zero-based channel number.
 346   @param[in] Device     The zero-based device number on the Channel.
 347   @param[in] BadModes   The modes that the device does not support and that
 348                         should be disqualified.
 349
 350   @retval EFI_SUCCESS             The modes were accepted without any errors.
 351   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 352   @retval EFI_INVALID_PARAMETER   Device is invalid.
 353   @retval EFI_INVALID_PARAMETER   IdentifyData is NULL.
 354
 355 **/
 356 EFI_STATUS
 357 EFIAPI
 358 IdeInitDisqualifyMode (
 359   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 360   IN UINT8                              Channel,
 361   IN UINT8                              Device,
 362   IN EFI_ATA_COLLECTIVE_MODE            *BadModes
 363   )
 364 ;
 365
 366 /**
 367   Returns the information about the optimum modes for the specified IDE device.
 368
 369   This function is used by the driver entity to obtain the optimum ATA modes for
 370   a specific device.  The IDE controller driver takes into account the following
 371   while calculating the mode:
 372     - The IdentifyData inputs to EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData()
 373     - The BadModes inputs to EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyMode()
 374
 375   The driver entity is required to call EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData()
 376   for all the devices that belong to an enumeration group before calling
 377   EFI_IDE_CONTROLLER_INIT_PROTOCOL.CalculateMode() for any device in the same group.
 378
 379   The IDE controller driver will use controller- and possibly platform-specific
 380   algorithms to arrive at SupportedModes.  The IDE controller may base its
 381   decision on user preferences and other considerations as well. This function
 382   may be called multiple times because the driver entity may renegotiate the mode
 383   with the IDE controller driver using EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyMode().
 384
 385   The driver entity may collect timing information for various devices in any
 386   order. The driver entity is responsible for making sure that all the dependencies
 387   are satisfied. For example, the SupportedModes information for device A that
 388   was previously returned may become stale after a call to
 389   EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyMode() for device B.
 390
 391   The buffer SupportedModes is allocated by the callee because the caller does
 392   not necessarily know the size of the buffer. The type EFI_ATA_COLLECTIVE_MODE
 393   is defined in a way that allows for future extensibility and can be of variable
 394   length. This memory pool should be deallocated by the caller when it is no
 395   longer necessary.
 396
 397   The IDE controller driver for a Serial ATA (SATA) controller can use this
 398   member function to force a lower speed (first-generation [Gen1] speeds on a
 399   second-generation [Gen2]-capable hardware).  The IDE controller driver can
 400   also allow the driver entity to stay with the speed that has been negotiated
 401   by the physical layer.
 402
 403   @param[in]  This             The pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 404   @param[in]  Channel          A zero-based channel number.
 405   @param[in]  Device           A zero-based device number on the Channel.
 406   @param[out] SupportedModes   The optimum modes for the device.
 407
 408   @retval EFI_SUCCESS             SupportedModes was returned.
 409   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 410   @retval EFI_INVALID_PARAMETER   Device is invalid.
 411   @retval EFI_INVALID_PARAMETER   SupportedModes is NULL.
 412   @retval EFI_NOT_READY           Modes cannot be calculated due to a lack of
 413                                   data.  This error may happen if
 414                                   EFI_IDE_CONTROLLER_INIT_PROTOCOL.SubmitData()
 415                                   and EFI_IDE_CONTROLLER_INIT_PROTOCOL.DisqualifyData()
 416                                   were not called for at least one drive in the
 417                                   same enumeration group.
 418
 419 **/
 420 EFI_STATUS
 421 EFIAPI
 422 IdeInitCalculateMode (
 423   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 424   IN UINT8                              Channel,
 425   IN UINT8                              Device,
 426   OUT EFI_ATA_COLLECTIVE_MODE           **SupportedModes
 427   )
 428 ;
 429
 430 /**
 431   Commands the IDE controller driver to program the IDE controller hardware
 432   so that the specified device can operate at the specified mode.
 433
 434   This function is used by the driver entity to instruct the IDE controller
 435   driver to program the IDE controller hardware to the specified modes. This
 436   function can be called only once for a particular device. For a Serial ATA
 437   (SATA) Advanced Host Controller Interface (AHCI) controller, no controller-
 438   specific programming may be required.
 439
 440   @param[in] This      Pointer to the EFI_IDE_CONTROLLER_INIT_PROTOCOL instance.
 441   @param[in] Channel   Zero-based channel number.
 442   @param[in] Device    Zero-based device number on the Channel.
 443   @param[in] Modes     The modes to set.
 444
 445   @retval EFI_SUCCESS             The command was accepted without any errors.
 446   @retval EFI_INVALID_PARAMETER   Channel is invalid (Channel >= ChannelCount).
 447   @retval EFI_INVALID_PARAMETER   Device is invalid.
 448   @retval EFI_NOT_READY           Modes cannot be set at this time due to lack of data.
 449   @retval EFI_DEVICE_ERROR        Modes cannot be set due to hardware failure.
 450                                   The driver entity should not use this device.
 451
 452 **/
 453 EFI_STATUS
 454 EFIAPI
 455 IdeInitSetTiming (
 456   IN EFI_IDE_CONTROLLER_INIT_PROTOCOL   *This,
 457   IN UINT8                              Channel,
 458   IN UINT8                              Device,
 459   IN EFI_ATA_COLLECTIVE_MODE            *Modes
 460   )
 461 ;
 462
 463 //
 464 // Forward reference declaration
 465 //
 466 /**
 467   Retrieves a Unicode string that is the user readable name of the UEFI Driver.
 468
 469   @param This           A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
 470   @param Language       A pointer to a three character ISO 639-2 language identifier.
 471                         This is the language of the driver name that that the caller
 472                         is requesting, and it must match one of the languages specified
 473                         in SupportedLanguages.  The number of languages supported by a
 474                         driver is up to the driver writer.
 475   @param DriverName     A pointer to the Unicode string to return.  This Unicode string
 476                         is the name of the driver specified by This in the language
 477                         specified by Language.
 478
 479   @retval EFI_SUCCESS           The Unicode string for the Driver specified by This
 480                                 and the language specified by Language was returned
 481                                 in DriverName.
 482   @retval EFI_INVALID_PARAMETER Language is NULL.
 483   @retval EFI_INVALID_PARAMETER DriverName is NULL.
 484   @retval EFI_UNSUPPORTED       The driver specified by This does not support the
 485                                 language specified by Language.
 486 **/
 487 EFI_STATUS
 488 EFIAPI
 489 SataControllerComponentNameGetDriverName (
 490   IN EFI_COMPONENT_NAME_PROTOCOL    *This,
 491   IN CHAR8                          *Language,
 492   OUT CHAR16                        **DriverName
 493   )
 494 ;
 495
 496 /**
 497   Retrieves a Unicode string that is the user readable name of the controller
 498   that is being managed by an UEFI Driver.
 499
 500   @param This                   A pointer to the EFI_COMPONENT_NAME_PROTOCOL instance.
 501   @param ControllerHandle       The handle of a controller that the driver specified by
 502                                 This is managing.  This handle specifies the controller
 503                                 whose name is to be returned.
 504   @param OPTIONAL   ChildHandle The handle of the child controller to retrieve the name
 505                                 of.  This is an optional parameter that may be NULL.  It
 506                                 will be NULL for device drivers.  It will also be NULL
 507                                 for a bus drivers that wish to retrieve the name of the
 508                                 bus controller.  It will not be NULL for a bus driver
 509                                 that wishes to retrieve the name of a child controller.
 510   @param Language               A pointer to a three character ISO 639-2 language
 511                                 identifier.  This is the language of the controller name
 512                                 that that the caller is requesting, and it must match one
 513                                 of the languages specified in SupportedLanguages.  The
 514                                 number of languages supported by a driver is up to the
 515                                 driver writer.
 516   @param ControllerName         A pointer to the Unicode string to return.  This Unicode
 517                                 string is the name of the controller specified by
 518                                 ControllerHandle and ChildHandle in the language
 519                                 specified by Language from the point of view of the
 520                                 driver specified by This.
 521
 522   @retval EFI_SUCCESS           The Unicode string for the user readable name in the
 523                                 language specified by Language for the driver
 524                                 specified by This was returned in DriverName.
 525   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
 526   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
 527                                 EFI_HANDLE.
 528   @retval EFI_INVALID_PARAMETER Language is NULL.
 529   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
 530   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
 531                                 managing the controller specified by
 532                                 ControllerHandle and ChildHandle.
 533   @retval EFI_UNSUPPORTED       The driver specified by This does not support the
 534                                 language specified by Language.
 535 **/
 536 EFI_STATUS
 537 EFIAPI
 538 SataControllerComponentNameGetControllerName (
 539   IN EFI_COMPONENT_NAME_PROTOCOL    *This,
 540   IN EFI_HANDLE                     ControllerHandle,
 541   IN EFI_HANDLE                     ChildHandle OPTIONAL,
 542   IN CHAR8                          *Language,
 543   OUT CHAR16                        **ControllerName
 544   )
 545 ;
 546
 547 #endif