--- /dev/null
+/** @file\r
+ Header file for ATA/ATAPI PASS THRU driver.\r
+ \r
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials \r
+ are licensed and made available under the terms and conditions of the BSD License \r
+ which accompanies this distribution. The full text of the license may be found at \r
+ http://opensource.org/licenses/bsd-license.php \r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+**/\r
+#ifndef __ATA_ATAPI_PASS_THRU_H__\r
+#define __ATA_ATAPI_PASS_THRU_H__\r
+\r
+#include <Uefi.h>\r
+\r
+#include <IndustryStandard/Pci.h>\r
+#include <IndustryStandard/Atapi.h>\r
+#include <IndustryStandard/Scsi.h>\r
+\r
+#include <Protocol/PciIo.h>\r
+#include <Protocol/IdeControllerInit.h>\r
+#include <Protocol/AtaPassThru.h>\r
+#include <Protocol/ScsiPassThruExt.h>\r
+\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/PciLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/TimerLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/ReportStatusCodeLib.h>\r
+#include <Library/DevicePathLib.h>\r
+\r
+#include "IdeMode.h"\r
+#include "AhciMode.h"\r
+\r
+extern EFI_DRIVER_BINDING_PROTOCOL gAtaAtapiPassThruDriverBinding;\r
+extern EFI_COMPONENT_NAME_PROTOCOL gAtaAtapiPassThruComponentName;\r
+extern EFI_COMPONENT_NAME2_PROTOCOL gAtaAtapiPassThruComponentName2;\r
+\r
+#define ATA_ATAPI_PASS_THRU_SIGNATURE SIGNATURE_32 ('a', 'a', 'p', 't')\r
+#define ATA_ATAPI_DEVICE_SIGNATURE SIGNATURE_32 ('a', 'd', 'e', 'v')\r
+\r
+typedef enum {\r
+ EfiAtaIdeMode,\r
+ EfiAtaAhciMode,\r
+ EfiAtaRaidMode,\r
+ EfiAtaUnknownMode\r
+} EFI_ATA_HC_WORK_MODE;\r
+\r
+typedef enum {\r
+ EfiIdeCdrom, /* ATAPI CDROM */\r
+ EfiIdeHarddisk, /* Hard Disk */\r
+ EfiPortMultiplier, /* Port Multiplier */\r
+ EfiIdeUnknown\r
+} EFI_ATA_DEVICE_TYPE;\r
+\r
+//\r
+// Ahci mode device info\r
+//\r
+typedef struct {\r
+ UINT32 Signature;\r
+ LIST_ENTRY Link;\r
+\r
+ UINT16 Port;\r
+ UINT16 PortMultiplier;\r
+ EFI_ATA_DEVICE_TYPE Type;\r
+\r
+ EFI_IDENTIFY_DATA *IdentifyData;\r
+} EFI_ATA_DEVICE_INFO;\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+\r
+ EFI_HANDLE ControllerHandle;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeControllerInit;\r
+\r
+ EFI_ATA_PASS_THRU_MODE AtaPassThruMode;\r
+ EFI_ATA_PASS_THRU_PROTOCOL AtaPassThru;\r
+ EFI_EXT_SCSI_PASS_THRU_MODE ExtScsiPassThruMode;\r
+ EFI_EXT_SCSI_PASS_THRU_PROTOCOL ExtScsiPassThru;\r
+\r
+ EFI_ATA_HC_WORK_MODE Mode;\r
+\r
+ EFI_IDE_REGISTERS IdeRegisters[EfiIdeMaxChannel];\r
+ EFI_AHCI_REGISTERS AhciRegisters;\r
+ \r
+ //\r
+ // The attached device list\r
+ //\r
+ LIST_ENTRY DeviceList;\r
+ UINT64 OriginalPciAttributes;\r
+\r\r
+ //\r
+ // For AtaPassThru protocol, using the following bytes to record the previous call in \r
+ // GetNextPort()/GetNextDevice().\r
+ //\r
+ UINT16 PreviousPort;\r
+ UINT16 PreviousPortMultiplier;\r
+ //\r
+ // For ExtScsiPassThru protocol, using the following bytes to record the previous call in \r
+ // GetNextTarget()/GetNextTargetLun().\r
+ //\r
+ UINT16 PreviousTargetId;\r
+ UINT64 PreviousLun;\r
+\r
+} ATA_ATAPI_PASS_THRU_INSTANCE;\r
+\r
+//\r
+// Timeout value which uses 100ns as a unit.\r
+// It means 3 second span.\r
+//\r
+#define ATA_ATAPI_TIMEOUT EFI_TIMER_PERIOD_SECONDS(3)\r
+\r
+#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0)\r
+\r
+#define ATA_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \\r
+ CR (a, \\r
+ ATA_ATAPI_PASS_THRU_INSTANCE, \\r
+ AtaPassThru, \\r
+ ATA_ATAPI_PASS_THRU_SIGNATURE \\r
+ )\r
+\r
+#define EXT_SCSI_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \\r
+ CR (a, \\r
+ ATA_ATAPI_PASS_THRU_INSTANCE, \\r
+ ExtScsiPassThru, \\r
+ ATA_ATAPI_PASS_THRU_SIGNATURE \\r
+ )\r
+\r
+#define ATA_ATAPI_DEVICE_INFO_FROM_THIS(a) \\r
+ CR (a, \\r
+ EFI_ATA_DEVICE_INFO, \\r
+ Link, \\r
+ ATA_ATAPI_DEVICE_SIGNATURE \\r
+ );\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the driver.\r
+\r
+ This function retrieves the user readable name of a driver in the form of a\r
+ Unicode string. If the driver specified by This has a user readable name in\r
+ the language specified by Language, then a pointer to the driver name is\r
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
+ by This does not support the language specified by Language,\r
+ then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+\r
+ @param Language[in] A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified\r
+ in RFC 4646 or ISO 639-2 language code format.\r
+\r
+ @param DriverName[out] A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ driver specified by This in the language\r
+ specified by Language.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
+ This and the language specified by Language was\r
+ returned in DriverName.\r
+\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+\r
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AtaAtapiPassThruComponentNameGetDriverName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **DriverName\r
+ );\r
+\r
+/**\r
+ Retrieves a Unicode string that is the user readable name of the controller\r
+ that is being managed by a driver.\r
+\r
+ This function retrieves the user readable name of the controller specified by\r
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
+ driver specified by This has a user readable name in the language specified by\r
+ Language, then a pointer to the controller name is returned in ControllerName,\r
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
+ managing the controller specified by ControllerHandle and ChildHandle,\r
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
+\r
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
+ EFI_COMPONENT_NAME_PROTOCOL instance.\r
+\r
+ @param ControllerHandle[in] The handle of a controller that the driver\r
+ specified by This is managing. This handle\r
+ specifies the controller whose name is to be\r
+ returned.\r
+\r
+ @param ChildHandle[in] The handle of the child controller to retrieve\r
+ the name of. This is an optional parameter that\r
+ may be NULL. It will be NULL for device\r
+ drivers. It will also be NULL for a bus drivers\r
+ that wish to retrieve the name of the bus\r
+ controller. It will not be NULL for a bus\r
+ driver that wishes to retrieve the name of a\r
+ child controller.\r
+\r
+ @param Language[in] A pointer to a Null-terminated ASCII string\r
+ array indicating the language. This is the\r
+ language of the driver name that the caller is\r
+ requesting, and it must match one of the\r
+ languages specified in SupportedLanguages. The\r
+ number of languages supported by a driver is up\r
+ to the driver writer. Language is specified in\r
+ RFC 4646 or ISO 639-2 language code format.\r
+\r
+ @param ControllerName[out] A pointer to the Unicode string to return.\r
+ This Unicode string is the name of the\r
+ controller specified by ControllerHandle and\r
+ ChildHandle in the language specified by\r
+ Language from the point of view of the driver\r
+ specified by This.\r
+\r
+ @retval EFI_SUCCESS The Unicode string for the user readable name in\r
+ the language specified by Language for the\r
+ driver specified by This was returned in\r
+ DriverName.\r
+\r
+ @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
+\r
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
+ EFI_HANDLE.\r
+\r
+ @retval EFI_INVALID_PARAMETER Language is NULL.\r
+\r
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
+ managing the controller specified by\r
+ ControllerHandle and ChildHandle.\r
+\r
+ @retval EFI_UNSUPPORTED The driver specified by This does not support\r
+ the language specified by Language.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AtaAtapiPassThruComponentNameGetControllerName (\r
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_HANDLE ChildHandle OPTIONAL,\r
+ IN CHAR8 *Language,\r
+ OUT CHAR16 **ControllerName\r
+ );\r
+\r
+/**\r
+ Tests to see if this driver supports a given controller. If a child device is provided, \r
+ it further tests to see if this driver supports creating a handle for the specified child device.\r
+\r
+ This function checks to see if the driver specified by This supports the device specified by \r
+ ControllerHandle. Drivers will typically use the device path attached to \r
+ ControllerHandle and/or the services from the bus I/O abstraction attached to \r
+ ControllerHandle to determine if the driver supports ControllerHandle. This function \r
+ may be called many times during platform initialization. In order to reduce boot times, the tests \r
+ performed by this function must be very small, and take as little time as possible to execute. This \r
+ function must not change the state of any hardware devices, and this function must be aware that the \r
+ device specified by ControllerHandle may already be managed by the same driver or a \r
+ different driver. This function must match its calls to AllocatePages() with FreePages(), \r
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol(). \r
+ Because ControllerHandle may have been previously started by the same driver, if a protocol is \r
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required \r
+ to guarantee the state of ControllerHandle is not modified by this function.\r
+\r
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param[in] ControllerHandle The handle of the controller to test. This handle \r
+ must support a protocol interface that supplies \r
+ an I/O abstraction to the driver.\r
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This \r
+ parameter is ignored by device drivers, and is optional for bus \r
+ drivers. For bus drivers, if this parameter is not NULL, then \r
+ the bus driver must determine if the bus controller specified \r
+ by ControllerHandle and the child controller specified \r
+ by RemainingDevicePath are both supported by this \r
+ bus driver.\r
+\r
+ @retval EFI_SUCCESS The device specified by ControllerHandle and\r
+ RemainingDevicePath is supported by the driver specified by This.\r
+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and\r
+ RemainingDevicePath is already being managed by the driver\r
+ specified by This.\r
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and\r
+ RemainingDevicePath is already being managed by a different\r
+ driver or an application that requires exclusive access.\r
+ Currently not implemented.\r
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and\r
+ RemainingDevicePath is not supported by the driver specified by This.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AtaAtapiPassThruSupported (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Starts a device controller or a bus controller.\r
+\r
+ The Start() function is designed to be invoked from the EFI boot service ConnectController().\r
+ As a result, much of the error checking on the parameters to Start() has been moved into this \r
+ common boot service. It is legal to call Start() from other locations, \r
+ but the following calling restrictions must be followed, or the system behavior will not be deterministic.\r
+ 1. ControllerHandle must be a valid EFI_HANDLE.\r
+ 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned\r
+ EFI_DEVICE_PATH_PROTOCOL.\r
+ 3. Prior to calling Start(), the Supported() function for the driver specified by This must\r
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. \r
+\r
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param[in] ControllerHandle The handle of the controller to start. This handle \r
+ must support a protocol interface that supplies \r
+ an I/O abstraction to the driver.\r
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This \r
+ parameter is ignored by device drivers, and is optional for bus \r
+ drivers. For a bus driver, if this parameter is NULL, then handles \r
+ for all the children of Controller are created by this driver. \r
+ If this parameter is not NULL and the first Device Path Node is \r
+ not the End of Device Path Node, then only the handle for the \r
+ child device specified by the first Device Path Node of \r
+ RemainingDevicePath is created by this driver.\r
+ If the first Device Path Node of RemainingDevicePath is \r
+ the End of Device Path Node, no child handle is created by this\r
+ driver.\r
+\r
+ @retval EFI_SUCCESS The device was started.\r
+ @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.\r
+ @retval Others The driver failded to start the device.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AtaAtapiPassThruStart (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
+ );\r
+\r
+/**\r
+ Stops a device controller or a bus controller.\r
+ \r
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController(). \r
+ As a result, much of the error checking on the parameters to Stop() has been moved \r
+ into this common boot service. It is legal to call Stop() from other locations, \r
+ but the following calling restrictions must be followed, or the system behavior will not be deterministic.\r
+ 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this\r
+ same driver's Start() function.\r
+ 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid\r
+ EFI_HANDLE. In addition, all of these handles must have been created in this driver's\r
+ Start() function, and the Start() function must have called OpenProtocol() on\r
+ ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r
+ \r
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must \r
+ support a bus specific I/O protocol for the driver \r
+ to use to stop the device.\r
+ @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.\r
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL \r
+ if NumberOfChildren is 0.\r
+\r
+ @retval EFI_SUCCESS The device was stopped.\r
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AtaAtapiPassThruStop (\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
+ );\r
+\r
+/**\r
+ Traverse the attached ATA devices list to find out the device to access.\r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+ @param[in] Port The port number of the ATA device to send the command. \r
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r
+ If there is no port multiplier, then specify 0.\r
+ @param[in] DeviceType The device type of the ATA device.\r
+ \r
+ @retval The pointer to the data structure of the device info to access.\r
+\r
+**/\r
+LIST_ENTRY *\r
+EFIAPI\r
+SearchDeviceInfoList (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r
+ IN UINT16 Port,\r
+ IN UINT16 PortMultiplier,\r
+ IN EFI_ATA_DEVICE_TYPE DeviceType\r
+ );\r
+\r
+/**\r
+ Allocate device info data structure to contain device info.\r
+ And insert the data structure to the tail of device list for tracing.\r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+ @param[in] Port The port number of the ATA device to send the command. \r
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r
+ If there is no port multiplier, then specify 0.\r
+ @param[in] DeviceType The device type of the ATA device.\r
+ @param[in] IdentifyData The data buffer to store the output of the IDENTIFY cmd.\r
+\r
+ @retval EFI_SUCCESS Successfully insert the ata device to the tail of device list.\r
+ @retval EFI_OUT_OF_RESOURCES Can not allocate enough resource for use.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+CreateNewDeviceInfo (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,\r
+ IN UINT16 Port,\r
+ IN UINT16 PortMultiplier,\r
+ IN EFI_ATA_DEVICE_TYPE DeviceType,\r
+ IN EFI_IDENTIFY_DATA *IdentifyData\r
+ );\r
+\r
+/**\r
+ Destroy all attached ATA devices info.\r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+DestroyDeviceInfoList (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance\r
+ );\r
+\r
+/**\r
+ Enumerate all attached ATA devices at IDE mode or AHCI mode separately.\r
+ \r
+ The function is designed to enumerate all attached ATA devices. \r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+\r
+ @retval EFI_SUCCESS Successfully enumerate attached ATA devices.\r
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+EnumerateAttachedDevice (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance\r
+ );\r
+\r
+/**\r
+ Sends an ATA command to an ATA device that is attached to the ATA controller. This function\r
+ supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required,\r
+ and the non-blocking I/O functionality is optional.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. \r
+ @param[in] Port The port number of the ATA device to send the command. \r
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.\r
+ If there is no port multiplier, then specify 0.\r
+ @param[in, out] Packet A pointer to the ATA command to send to the ATA device specified by Port\r
+ and PortMultiplierPort.\r
+ @param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking\r
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If\r
+ Event is not NULL and non blocking I/O is supported, then non-blocking\r
+ I/O is performed, and Event will be signaled when the ATA command completes.\r
+\r
+ @retval EFI_SUCCESS The ATA command was sent by the host. For bi-directional commands, \r
+ InTransferLength bytes were transferred from InDataBuffer. For write and\r
+ bi-directional commands, OutTransferLength bytes were transferred by OutDataBuffer.\r
+ @retval EFI_BAD_BUFFER_SIZE The ATA command was not executed. The number of bytes that could be transferred\r
+ is returned in InTransferLength. For write and bi-directional commands, \r
+ OutTransferLength bytes were transferred by OutDataBuffer.\r
+ @retval EFI_NOT_READY The ATA command could not be sent because there are too many ATA commands\r
+ already queued. The caller may retry again later.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the ATA command.\r
+ @retval EFI_INVALID_PARAMETER Port, PortMultiplierPort, or the contents of Acb are invalid. The ATA\r
+ command was not sent, so no additional status information is available.\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruPassThru (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN UINT16 Port,\r
+ IN UINT16 PortMultiplierPort,\r
+ IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet,\r
+ IN EFI_EVENT Event OPTIONAL\r
+ );\r
+\r
+/**\r
+ Used to retrieve the list of legal port numbers for ATA devices on an ATA controller.\r
+ These can either be the list of ports where ATA devices are actually present or the\r
+ list of legal port numbers for the ATA controller. Regardless, the caller of this\r
+ function must probe the port number returned to see if an ATA device is actually\r
+ present at that location on the ATA controller.\r
+\r
+ The GetNextPort() function retrieves the port number on an ATA controller. If on input\r
+ Port is 0xFFFF, then the port number of the first port on the ATA controller is returned\r
+ in Port and EFI_SUCCESS is returned.\r
+\r
+ If Port is a port number that was returned on a previous call to GetNextPort(), then the\r
+ port number of the next port on the ATA controller is returned in Port, and EFI_SUCCESS\r
+ is returned. If Port is not 0xFFFF and Port was not returned on a previous call to\r
+ GetNextPort(), then EFI_INVALID_PARAMETER is returned.\r
+\r
+ If Port is the port number of the last port on the ATA controller, then EFI_NOT_FOUND is\r
+ returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. \r
+ @param[in, out] Port On input, a pointer to the port number on the ATA controller.\r
+ On output, a pointer to the next port number on the ATA\r
+ controller. An input value of 0xFFFF retrieves the first port\r
+ number on the ATA controller.\r
+\r
+ @retval EFI_SUCCESS The next port number on the ATA controller was returned in Port.\r
+ @retval EFI_NOT_FOUND There are no more ports on this ATA controller.\r
+ @retval EFI_INVALID_PARAMETER Port is not 0xFFFF and Port was not returned on a previous call\r
+ to GetNextPort().\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruGetNextPort (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN OUT UINT16 *Port\r
+ );\r
+\r
+/**\r
+ Used to retrieve the list of legal port multiplier port numbers for ATA devices on a port of an ATA \r
+ controller. These can either be the list of port multiplier ports where ATA devices are actually \r
+ present on port or the list of legal port multiplier ports on that port. Regardless, the caller of this \r
+ function must probe the port number and port multiplier port number returned to see if an ATA \r
+ device is actually present.\r
+\r
+ The GetNextDevice() function retrieves the port multiplier port number of an ATA device \r
+ present on a port of an ATA controller.\r
+ \r
+ If PortMultiplierPort points to a port multiplier port number value that was returned on a \r
+ previous call to GetNextDevice(), then the port multiplier port number of the next ATA device\r
+ on the port of the ATA controller is returned in PortMultiplierPort, and EFI_SUCCESS is\r
+ returned.\r
+ \r
+ If PortMultiplierPort points to 0xFFFF, then the port multiplier port number of the first \r
+ ATA device on port of the ATA controller is returned in PortMultiplierPort and \r
+ EFI_SUCCESS is returned.\r
+ \r
+ If PortMultiplierPort is not 0xFFFF and the value pointed to by PortMultiplierPort\r
+ was not returned on a previous call to GetNextDevice(), then EFI_INVALID_PARAMETER\r
+ is returned.\r
+ \r
+ If PortMultiplierPort is the port multiplier port number of the last ATA device on the port of \r
+ the ATA controller, then EFI_NOT_FOUND is returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.\r
+ @param[in] Port The port number present on the ATA controller.\r
+ @param[in, out] PortMultiplierPort On input, a pointer to the port multiplier port number of an\r
+ ATA device present on the ATA controller. \r
+ If on input a PortMultiplierPort of 0xFFFF is specified, \r
+ then the port multiplier port number of the first ATA device\r
+ is returned. On output, a pointer to the port multiplier port\r
+ number of the next ATA device present on an ATA controller.\r
+\r
+ @retval EFI_SUCCESS The port multiplier port number of the next ATA device on the port\r
+ of the ATA controller was returned in PortMultiplierPort.\r
+ @retval EFI_NOT_FOUND There are no more ATA devices on this port of the ATA controller.\r
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is not 0xFFFF, and PortMultiplierPort was not\r
+ returned on a previous call to GetNextDevice().\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruGetNextDevice (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN UINT16 Port,\r
+ IN OUT UINT16 *PortMultiplierPort\r
+ );\r
+\r
+/**\r
+ Used to allocate and build a device path node for an ATA device on an ATA controller.\r
+\r
+ The BuildDevicePath() function allocates and builds a single device node for the ATA\r
+ device specified by Port and PortMultiplierPort. If the ATA device specified by Port and\r
+ PortMultiplierPort is not present on the ATA controller, then EFI_NOT_FOUND is returned.\r
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. If there are not enough\r
+ resources to allocate the device path node, then EFI_OUT_OF_RESOURCES is returned.\r
+\r
+ Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of\r
+ DevicePath are initialized to describe the ATA device specified by Port and PortMultiplierPort,\r
+ and EFI_SUCCESS is returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.\r
+ @param[in] Port Port specifies the port number of the ATA device for which a\r
+ device path node is to be allocated and built.\r
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device for which a\r
+ device path node is to be allocated and built. If there is no\r
+ port multiplier, then specify 0.\r
+ @param[in, out] DevicePath A pointer to a single device path node that describes the ATA\r
+ device specified by Port and PortMultiplierPort. This function\r
+ is responsible for allocating the buffer DevicePath with the\r
+ boot service AllocatePool(). It is the caller's responsibility\r
+ to free DevicePath when the caller is finished with DevicePath.\r
+ @retval EFI_SUCCESS The device path node that describes the ATA device specified by\r
+ Port and PortMultiplierPort was allocated and returned in DevicePath.\r
+ @retval EFI_NOT_FOUND The ATA device specified by Port and PortMultiplierPort does not\r
+ exist on the ATA controller.\r
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruBuildDevicePath (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN UINT16 Port,\r
+ IN UINT16 PortMultiplierPort,\r
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r
+ );\r
+\r
+/**\r
+ Used to translate a device path node to a port number and port multiplier port number.\r
+\r
+ The GetDevice() function determines the port and port multiplier port number associated with\r
+ the ATA device described by DevicePath. If DevicePath is a device path node type that the\r
+ ATA Pass Thru driver supports, then the ATA Pass Thru driver will attempt to translate the contents \r
+ DevicePath into a port number and port multiplier port number.\r
+\r
+ If this translation is successful, then that port number and port multiplier port number are returned\r
+ in Port and PortMultiplierPort, and EFI_SUCCESS is returned.\r
+\r
+ If DevicePath, Port, or PortMultiplierPort are NULL, then EFI_INVALID_PARAMETER is returned.\r
+\r
+ If DevicePath is not a device path node type that the ATA Pass Thru driver supports, then \r
+ EFI_UNSUPPORTED is returned.\r
+\r
+ If DevicePath is a device path node type that the ATA Pass Thru driver supports, but there is not \r
+ a valid translation from DevicePath to a port number and port multiplier port number, then \r
+ EFI_NOT_FOUND is returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.\r
+ @param[in] DevicePath A pointer to the device path node that describes an ATA device on the\r
+ ATA controller.\r
+ @param[out] Port On return, points to the port number of an ATA device on the ATA controller.\r
+ @param[out] PortMultiplierPort On return, points to the port multiplier port number of an ATA device\r
+ on the ATA controller.\r
+\r
+ @retval EFI_SUCCESS DevicePath was successfully translated to a port number and port multiplier\r
+ port number, and they were returned in Port and PortMultiplierPort.\r
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
+ @retval EFI_INVALID_PARAMETER Port is NULL.\r
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is NULL.\r
+ @retval EFI_UNSUPPORTED This driver does not support the device path node type in DevicePath.\r
+ @retval EFI_NOT_FOUND A valid translation from DevicePath to a port number and port multiplier\r
+ port number does not exist.\r
+**/\r
+EFI_STATUS\r
+AtaPassThruGetDevice (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ OUT UINT16 *Port,\r
+ OUT UINT16 *PortMultiplierPort\r
+ );\r
+\r
+/**\r
+ Resets a specific port on the ATA controller. This operation also resets all the ATA devices\r
+ connected to the port.\r
+\r
+ The ResetChannel() function resets an a specific port on an ATA controller. This operation\r
+ resets all the ATA devices connected to that port. If this ATA controller does not support\r
+ a reset port operation, then EFI_UNSUPPORTED is returned.\r
+\r
+ If a device error occurs while executing that port reset operation, then EFI_DEVICE_ERROR is\r
+ returned.\r
+\r
+ If a timeout occurs during the execution of the port reset operation, then EFI_TIMEOUT is returned.\r
+\r
+ If the port reset operation is completed, then EFI_SUCCESS is returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.\r
+ @param[in] Port The port number on the ATA controller.\r
+\r
+ @retval EFI_SUCCESS The ATA controller port was reset.\r
+ @retval EFI_UNSUPPORTED The ATA controller does not support a port reset operation.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA port.\r
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA port.\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruResetPort (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN UINT16 Port\r
+ );\r
+\r
+/**\r
+ Resets an ATA device that is connected to an ATA controller.\r
+\r
+ The ResetDevice() function resets the ATA device specified by Port and PortMultiplierPort.\r
+ If this ATA controller does not support a device reset operation, then EFI_UNSUPPORTED is\r
+ returned.\r
+\r
+ If Port or PortMultiplierPort are not in a valid range for this ATA controller, then \r
+ EFI_INVALID_PARAMETER is returned.\r
+\r
+ If a device error occurs while executing that device reset operation, then EFI_DEVICE_ERROR\r
+ is returned.\r
+\r
+ If a timeout occurs during the execution of the device reset operation, then EFI_TIMEOUT is\r
+ returned.\r
+\r
+ If the device reset operation is completed, then EFI_SUCCESS is returned.\r
+\r
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.\r
+ @param[in] Port Port represents the port number of the ATA device to be reset.\r
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to reset.\r
+ If there is no port multiplier, then specify 0.\r
+ @retval EFI_SUCCESS The ATA device specified by Port and PortMultiplierPort was reset.\r
+ @retval EFI_UNSUPPORTED The ATA controller does not support a device reset operation.\r
+ @retval EFI_INVALID_PARAMETER Port or PortMultiplierPort are invalid.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA device\r
+ specified by Port and PortMultiplierPort.\r
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA device\r
+ specified by Port and PortMultiplierPort.\r
+\r
+**/\r
+EFI_STATUS\r
+AtaPassThruResetDevice (\r
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,\r
+ IN UINT16 Port,\r
+ IN UINT16 PortMultiplierPort\r
+ );\r
+\r
+/**\r
+ Sends a SCSI Request Packet to a SCSI device that is attached to the SCSI channel. This function \r
+ supports both blocking I/O and nonblocking I/O. The blocking I/O functionality is required, and the\r
+ nonblocking I/O functionality is optional. \r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param Target The Target is an array of size TARGET_MAX_BYTES and it represents\r
+ the id of the SCSI device to send the SCSI Request Packet. Each\r
+ transport driver may choose to utilize a subset of this size to suit the needs\r
+ of transport target representation. For example, a Fibre Channel driver\r
+ may use only 8 bytes (WWN) to represent an FC target.\r
+ @param Lun The LUN of the SCSI device to send the SCSI Request Packet.\r
+ @param Packet A pointer to the SCSI Request Packet to send to the SCSI device\r
+ specified by Target and Lun.\r
+ @param Event If nonblocking I/O is not supported then Event is ignored, and blocking\r
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If\r
+ Event is not NULL and non blocking I/O is supported, then\r
+ nonblocking I/O is performed, and Event will be signaled when the\r
+ SCSI Request Packet completes.\r
+\r
+ @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional\r
+ commands, InTransferLength bytes were transferred from\r
+ InDataBuffer. For write and bi-directional commands,\r
+ OutTransferLength bytes were transferred by\r
+ OutDataBuffer.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was not executed. The number of bytes that\r
+ could be transferred is returned in InTransferLength. For write\r
+ and bi-directional commands, OutTransferLength bytes were\r
+ transferred by OutDataBuffer.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many\r
+ SCSI Request Packets already queued. The caller may retry again later.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request\r
+ Packet.\r
+ @retval EFI_INVALID_PARAMETER Target, Lun, or the contents of ScsiRequestPacket are invalid.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported\r
+ by the host adapter. This includes the case of Bi-directional SCSI\r
+ commands not supported by the implementation. The SCSI Request\r
+ Packet was not sent, so no additional status information is available.\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruPassThru (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun,\r
+ IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r
+ IN EFI_EVENT Event OPTIONAL\r
+ );\r
+\r
+/**\r
+ Used to retrieve the list of legal Target IDs and LUNs for SCSI devices on a SCSI channel. These \r
+ can either be the list SCSI devices that are actually present on the SCSI channel, or the list of legal\r
+ Target Ids and LUNs for the SCSI channel. Regardless, the caller of this function must probe the \r
+ Target ID and LUN returned to see if a SCSI device is actually present at that location on the SCSI \r
+ channel. \r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param Target On input, a pointer to the Target ID (an array of size\r
+ TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel.\r
+ On output, a pointer to the Target ID (an array of\r
+ TARGET_MAX_BYTES) of the next SCSI device present on a SCSI\r
+ channel. An input value of 0xF(all bytes in the array are 0xF) in the\r
+ Target array retrieves the Target ID of the first SCSI device present on a\r
+ SCSI channel.\r
+ @param Lun On input, a pointer to the LUN of a SCSI device present on the SCSI\r
+ channel. On output, a pointer to the LUN of the next SCSI device present\r
+ on a SCSI channel.\r
+\r
+ @retval EFI_SUCCESS The Target ID and LUN of the next SCSI device on the SCSI\r
+ channel was returned in Target and Lun.\r
+ @retval EFI_INVALID_PARAMETER Target array is not all 0xF, and Target and Lun were\r
+ not returned on a previous call to GetNextTargetLun().\r
+ @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruGetNextTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN OUT UINT8 **Target,\r
+ IN OUT UINT64 *Lun\r
+ );\r
+\r
+/**\r
+ Used to allocate and build a device path node for a SCSI device on a SCSI channel.\r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param Target The Target is an array of size TARGET_MAX_BYTES and it specifies the\r
+ Target ID of the SCSI device for which a device path node is to be\r
+ allocated and built. Transport drivers may chose to utilize a subset of\r
+ this size to suit the representation of targets. For example, a Fibre\r
+ Channel driver may use only 8 bytes (WWN) in the array to represent a\r
+ FC target.\r
+ @param Lun The LUN of the SCSI device for which a device path node is to be\r
+ allocated and built.\r
+ @param DevicePath A pointer to a single device path node that describes the SCSI device\r
+ specified by Target and Lun. This function is responsible for\r
+ allocating the buffer DevicePath with the boot service\r
+ AllocatePool(). It is the caller's responsibility to free\r
+ DevicePath when the caller is finished with DevicePath.\r
+\r
+ @retval EFI_SUCCESS The device path node that describes the SCSI device specified by\r
+ Target and Lun was allocated and returned in\r
+ DevicePath.\r
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.\r
+ @retval EFI_NOT_FOUND The SCSI devices specified by Target and Lun does not exist\r
+ on the SCSI channel.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruBuildDevicePath (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun,\r
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r
+ );\r
+\r
+/**\r
+ Used to translate a device path node to a Target ID and LUN.\r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param DevicePath A pointer to a single device path node that describes the SCSI device\r
+ on the SCSI channel.\r
+ @param Target A pointer to the Target Array which represents the ID of a SCSI device\r
+ on the SCSI channel.\r
+ @param Lun A pointer to the LUN of a SCSI device on the SCSI channel.\r
+\r
+ @retval EFI_SUCCESS DevicePath was successfully translated to a Target ID and\r
+ LUN, and they were returned in Target and Lun.\r
+ @retval EFI_INVALID_PARAMETER DevicePath or Target or Lun is NULL.\r
+ @retval EFI_NOT_FOUND A valid translation from DevicePath to a Target ID and LUN\r
+ does not exist.\r
+ @retval EFI_UNSUPPORTED This driver does not support the device path node type in\r
+ DevicePath.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruGetTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
+ OUT UINT8 **Target,\r
+ OUT UINT64 *Lun\r
+ );\r
+\r
+/**\r
+ Resets a SCSI channel. This operation resets all the SCSI devices connected to the SCSI channel.\r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+\r
+ @retval EFI_SUCCESS The SCSI channel was reset.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI channel.\r
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI channel.\r
+ @retval EFI_UNSUPPORTED The SCSI channel does not support a channel reset operation.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruResetChannel (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r
+ );\r
+ \r
+/**\r
+ Resets a SCSI logical unit that is connected to a SCSI channel.\r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param Target The Target is an array of size TARGET_MAX_BYTE and it represents the\r
+ target port ID of the SCSI device containing the SCSI logical unit to\r
+ reset. Transport drivers may chose to utilize a subset of this array to suit\r
+ the representation of their targets.\r
+ @param Lun The LUN of the SCSI device to reset.\r
+\r
+ @retval EFI_SUCCESS The SCSI device specified by Target and Lun was reset.\r
+ @retval EFI_INVALID_PARAMETER Target or Lun is NULL.\r
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI device\r
+ specified by Target and Lun.\r
+ @retval EFI_UNSUPPORTED The SCSI channel does not support a target reset operation.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI device\r
+ specified by Target and Lun.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruResetTargetLun (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN UINT8 *Target,\r
+ IN UINT64 Lun\r
+ ); \r
+\r
+/**\r
+ Used to retrieve the list of legal Target IDs for SCSI devices on a SCSI channel. These can either \r
+ be the list SCSI devices that are actually present on the SCSI channel, or the list of legal Target IDs\r
+ for the SCSI channel. Regardless, the caller of this function must probe the Target ID returned to \r
+ see if a SCSI device is actually present at that location on the SCSI channel. \r
+\r
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r
+ @param Target (TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel.\r
+ On output, a pointer to the Target ID (an array of\r
+ TARGET_MAX_BYTES) of the next SCSI device present on a SCSI\r
+ channel. An input value of 0xF(all bytes in the array are 0xF) in the\r
+ Target array retrieves the Target ID of the first SCSI device present on a\r
+ SCSI channel.\r
+\r
+ @retval EFI_SUCCESS The Target ID of the next SCSI device on the SCSI\r
+ channel was returned in Target.\r
+ @retval EFI_INVALID_PARAMETER Target or Lun is NULL.\r
+ @retval EFI_TIMEOUT Target array is not all 0xF, and Target was not\r
+ returned on a previous call to GetNextTarget().\r
+ @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ExtScsiPassThruGetNextTarget (\r
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r
+ IN OUT UINT8 **Target\r
+ );\r
+\r
+/**\r
+ Initialize ATA host controller at IDE mode.\r
+ \r
+ The function is designed to initialize ATA host controller. \r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+IdeModeInitialization (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance\r
+ );\r
+\r
+/**\r
+ Initialize ATA host controller at AHCI mode.\r
+ \r
+ The function is designed to initialize ATA host controller. \r
+ \r
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+AhciModeInitialization (\r
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance\r
+ );\r
+\r
+#endif\r
+\r
projects / mirror_edk2.git / blobdiff