diff options
| author | Tian, Hot <hot.tian@intel.com> | 2014-01-22 08:38:50 +0000 |
|---|---|---|
| committer | hhtian <hhtian@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-01-22 08:38:50 +0000 |
| commit | 4b738c76f56f8eda171f14b8f9b20e34b66be476 (patch) | |
| tree | 353ba43c75023a7d0a88c59389e4bb2ba7c94f0c /MdeModulePkg/Bus/Ata | |
| parent | 4c8f6044a2ae275071ab6cd6557b584784c093ce (diff) | |
| download | edk2-4b738c76f56f8eda171f14b8f9b20e34b66be476.zip edk2-4b738c76f56f8eda171f14b8f9b20e34b66be476.tar.gz edk2-4b738c76f56f8eda171f14b8f9b20e34b66be476.tar.bz2 | |
Fix CRLF format
Signed-off-by: Tian, Hot <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15155 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Ata')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h | 2598 |
1 files changed, 1299 insertions, 1299 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h index 1d50c30..0d93e54 100644 --- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h +++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h @@ -1,1299 +1,1299 @@ -/** @file - Header file for ATA/ATAPI PASS THRU driver. - - Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR> - This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ -#ifndef __ATA_ATAPI_PASS_THRU_H__ -#define __ATA_ATAPI_PASS_THRU_H__ - -#include <Uefi.h> - -#include <IndustryStandard/Pci.h> -#include <IndustryStandard/Atapi.h> -#include <IndustryStandard/Scsi.h> - -#include <Protocol/PciIo.h> -#include <Protocol/IdeControllerInit.h> -#include <Protocol/AtaPassThru.h> -#include <Protocol/ScsiPassThruExt.h> - -#include <Library/DebugLib.h> -#include <Library/BaseLib.h> -#include <Library/BaseMemoryLib.h> -#include <Library/UefiDriverEntryPoint.h> -#include <Library/UefiBootServicesTableLib.h> -#include <Library/UefiLib.h> -#include <Library/PciLib.h> -#include <Library/PcdLib.h> -#include <Library/TimerLib.h> -#include <Library/MemoryAllocationLib.h> -#include <Library/ReportStatusCodeLib.h> -#include <Library/DevicePathLib.h> - -#include "IdeMode.h" -#include "AhciMode.h" - -extern EFI_DRIVER_BINDING_PROTOCOL gAtaAtapiPassThruDriverBinding; -extern EFI_COMPONENT_NAME_PROTOCOL gAtaAtapiPassThruComponentName; -extern EFI_COMPONENT_NAME2_PROTOCOL gAtaAtapiPassThruComponentName2; - -#define ATA_ATAPI_PASS_THRU_SIGNATURE SIGNATURE_32 ('a', 'a', 'p', 't') -#define ATA_ATAPI_DEVICE_SIGNATURE SIGNATURE_32 ('a', 'd', 'e', 'v') -#define ATA_NONBLOCKING_TASK_SIGNATURE SIGNATURE_32 ('a', 't', 's', 'k') - -typedef struct _ATA_NONBLOCK_TASK ATA_NONBLOCK_TASK; - -typedef enum { - EfiAtaIdeMode, - EfiAtaAhciMode, - EfiAtaRaidMode, - EfiAtaUnknownMode -} EFI_ATA_HC_WORK_MODE; - -typedef enum { - EfiIdeCdrom, /* ATAPI CDROM */ - EfiIdeHarddisk, /* Hard Disk */ - EfiPortMultiplier, /* Port Multiplier */ - EfiIdeUnknown -} EFI_ATA_DEVICE_TYPE; - -// -// Ahci mode device info -// -typedef struct { - UINT32 Signature; - LIST_ENTRY Link; - - UINT16 Port; - UINT16 PortMultiplier; - EFI_ATA_DEVICE_TYPE Type; - - EFI_IDENTIFY_DATA *IdentifyData; -} EFI_ATA_DEVICE_INFO; - -typedef struct { - UINT32 Signature; - - EFI_HANDLE ControllerHandle; - EFI_PCI_IO_PROTOCOL *PciIo; - EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeControllerInit; - - EFI_ATA_PASS_THRU_MODE AtaPassThruMode; - EFI_ATA_PASS_THRU_PROTOCOL AtaPassThru; - EFI_EXT_SCSI_PASS_THRU_MODE ExtScsiPassThruMode; - EFI_EXT_SCSI_PASS_THRU_PROTOCOL ExtScsiPassThru; - - EFI_ATA_HC_WORK_MODE Mode; - - EFI_IDE_REGISTERS IdeRegisters[EfiIdeMaxChannel]; - EFI_AHCI_REGISTERS AhciRegisters; - - // - // The attached device list - // - LIST_ENTRY DeviceList; - UINT64 OriginalPciAttributes; - - // - // For AtaPassThru protocol, using the following bytes to record the previous call in - // GetNextPort()/GetNextDevice(). - // - UINT16 PreviousPort; - UINT16 PreviousPortMultiplier; - // - // For ExtScsiPassThru protocol, using the following bytes to record the previous call in - // GetNextTarget()/GetNextTargetLun(). - // - UINT16 PreviousTargetId; - UINT64 PreviousLun; - - // - // For Non-blocking. - // - EFI_EVENT TimerEvent; - LIST_ENTRY NonBlockingTaskList; -} ATA_ATAPI_PASS_THRU_INSTANCE; - -// -// Task for Non-blocking mode. -// -struct _ATA_NONBLOCK_TASK { - UINT32 Signature; - LIST_ENTRY Link; - - UINT16 Port; - UINT16 PortMultiplier; - EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet; - BOOLEAN IsStart; - EFI_EVENT Event; - UINT64 RetryTimes; - VOID *Map; // Pointer to map. - VOID *TableMap;// Pointer to PRD table map. - EFI_ATA_DMA_PRD *MapBaseAddress; // Pointer to range Base address for Map. - UINTN PageCount; // The page numbers used by PCIO freebuffer. -}; - -// -// Timeout value which uses 100ns as a unit. -// It means 3 second span. -// -#define ATA_ATAPI_TIMEOUT EFI_TIMER_PERIOD_SECONDS(3) - -#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0) - -#define ATA_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \ - CR (a, \ - ATA_ATAPI_PASS_THRU_INSTANCE, \ - AtaPassThru, \ - ATA_ATAPI_PASS_THRU_SIGNATURE \ - ) - -#define EXT_SCSI_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \ - CR (a, \ - ATA_ATAPI_PASS_THRU_INSTANCE, \ - ExtScsiPassThru, \ - ATA_ATAPI_PASS_THRU_SIGNATURE \ - ) - -#define ATA_ATAPI_DEVICE_INFO_FROM_THIS(a) \ - CR (a, \ - EFI_ATA_DEVICE_INFO, \ - Link, \ - ATA_ATAPI_DEVICE_SIGNATURE \ - ); - -#define ATA_NON_BLOCK_TASK_FROM_ENTRY(a) \ - CR (a, \ - ATA_NONBLOCK_TASK, \ - Link, \ - ATA_NONBLOCKING_TASK_SIGNATURE \ - ); - -/** - Retrieves a Unicode string that is the user readable name of the driver. - - This function retrieves the user readable name of a driver in the form of a - Unicode string. If the driver specified by This has a user readable name in - the language specified by Language, then a pointer to the driver name is - returned in DriverName, and EFI_SUCCESS is returned. If the driver specified - by This does not support the language specified by Language, - then EFI_UNSUPPORTED is returned. - - @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or - EFI_COMPONENT_NAME_PROTOCOL instance. - - @param Language[in] A pointer to a Null-terminated ASCII string - array indicating the language. This is the - language of the driver name that the caller is - requesting, and it must match one of the - languages specified in SupportedLanguages. The - number of languages supported by a driver is up - to the driver writer. Language is specified - in RFC 4646 or ISO 639-2 language code format. - - @param DriverName[out] A pointer to the Unicode string to return. - This Unicode string is the name of the - driver specified by This in the language - specified by Language. - - @retval EFI_SUCCESS The Unicode string for the Driver specified by - This and the language specified by Language was - returned in DriverName. - - @retval EFI_INVALID_PARAMETER Language is NULL. - - @retval EFI_INVALID_PARAMETER DriverName is NULL. - - @retval EFI_UNSUPPORTED The driver specified by This does not support - the language specified by Language. - -**/ -EFI_STATUS -EFIAPI -AtaAtapiPassThruComponentNameGetDriverName ( - IN EFI_COMPONENT_NAME_PROTOCOL *This, - IN CHAR8 *Language, - OUT CHAR16 **DriverName - ); - -/** - Retrieves a Unicode string that is the user readable name of the controller - that is being managed by a driver. - - This function retrieves the user readable name of the controller specified by - ControllerHandle and ChildHandle in the form of a Unicode string. If the - driver specified by This has a user readable name in the language specified by - Language, then a pointer to the controller name is returned in ControllerName, - and EFI_SUCCESS is returned. If the driver specified by This is not currently - managing the controller specified by ControllerHandle and ChildHandle, - then EFI_UNSUPPORTED is returned. If the driver specified by This does not - support the language specified by Language, then EFI_UNSUPPORTED is returned. - - @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or - EFI_COMPONENT_NAME_PROTOCOL instance. - - @param ControllerHandle[in] The handle of a controller that the driver - specified by This is managing. This handle - specifies the controller whose name is to be - returned. - - @param ChildHandle[in] The handle of the child controller to retrieve - the name of. This is an optional parameter that - may be NULL. It will be NULL for device - drivers. It will also be NULL for a bus drivers - that wish to retrieve the name of the bus - controller. It will not be NULL for a bus - driver that wishes to retrieve the name of a - child controller. - - @param Language[in] A pointer to a Null-terminated ASCII string - array indicating the language. This is the - language of the driver name that the caller is - requesting, and it must match one of the - languages specified in SupportedLanguages. The - number of languages supported by a driver is up - to the driver writer. Language is specified in - RFC 4646 or ISO 639-2 language code format. - - @param ControllerName[out] A pointer to the Unicode string to return. - This Unicode string is the name of the - controller specified by ControllerHandle and - ChildHandle in the language specified by - Language from the point of view of the driver - specified by This. - - @retval EFI_SUCCESS The Unicode string for the user readable name in - the language specified by Language for the - driver specified by This was returned in - DriverName. - - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. - - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid - EFI_HANDLE. - - @retval EFI_INVALID_PARAMETER Language is NULL. - - @retval EFI_INVALID_PARAMETER ControllerName is NULL. - - @retval EFI_UNSUPPORTED The driver specified by This is not currently - managing the controller specified by - ControllerHandle and ChildHandle. - - @retval EFI_UNSUPPORTED The driver specified by This does not support - the language specified by Language. - -**/ -EFI_STATUS -EFIAPI -AtaAtapiPassThruComponentNameGetControllerName ( - IN EFI_COMPONENT_NAME_PROTOCOL *This, - IN EFI_HANDLE ControllerHandle, - IN EFI_HANDLE ChildHandle OPTIONAL, - IN CHAR8 *Language, - OUT CHAR16 **ControllerName - ); - -/** - Tests to see if this driver supports a given controller. If a child device is provided, - it further tests to see if this driver supports creating a handle for the specified child device. - - This function checks to see if the driver specified by This supports the device specified by - ControllerHandle. Drivers will typically use the device path attached to - ControllerHandle and/or the services from the bus I/O abstraction attached to - ControllerHandle to determine if the driver supports ControllerHandle. This function - may be called many times during platform initialization. In order to reduce boot times, the tests - performed by this function must be very small, and take as little time as possible to execute. This - function must not change the state of any hardware devices, and this function must be aware that the - device specified by ControllerHandle may already be managed by the same driver or a - different driver. This function must match its calls to AllocatePages() with FreePages(), - AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol(). - Because ControllerHandle may have been previously started by the same driver, if a protocol is - already in the opened state, then it must not be closed with CloseProtocol(). This is required - to guarantee the state of ControllerHandle is not modified by this function. - - @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. - @param[in] ControllerHandle The handle of the controller to test. This handle - must support a protocol interface that supplies - an I/O abstraction to the driver. - @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This - parameter is ignored by device drivers, and is optional for bus - drivers. For bus drivers, if this parameter is not NULL, then - the bus driver must determine if the bus controller specified - by ControllerHandle and the child controller specified - by RemainingDevicePath are both supported by this - bus driver. - - @retval EFI_SUCCESS The device specified by ControllerHandle and - RemainingDevicePath is supported by the driver specified by This. - @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and - RemainingDevicePath is already being managed by the driver - specified by This. - @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and - RemainingDevicePath is already being managed by a different - driver or an application that requires exclusive access. - Currently not implemented. - @retval EFI_UNSUPPORTED The device specified by ControllerHandle and - RemainingDevicePath is not supported by the driver specified by This. -**/ -EFI_STATUS -EFIAPI -AtaAtapiPassThruSupported ( - IN EFI_DRIVER_BINDING_PROTOCOL *This, - IN EFI_HANDLE Controller, - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath - ); - -/** - Starts a device controller or a bus controller. - - The Start() function is designed to be invoked from the EFI boot service ConnectController(). - As a result, much of the error checking on the parameters to Start() has been moved into this - common boot service. It is legal to call Start() from other locations, - but the following calling restrictions must be followed, or the system behavior will not be deterministic. - 1. ControllerHandle must be a valid EFI_HANDLE. - 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned - EFI_DEVICE_PATH_PROTOCOL. - 3. Prior to calling Start(), the Supported() function for the driver specified by This must - have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. - - @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. - @param[in] ControllerHandle The handle of the controller to start. This handle - must support a protocol interface that supplies - an I/O abstraction to the driver. - @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This - parameter is ignored by device drivers, and is optional for bus - drivers. For a bus driver, if this parameter is NULL, then handles - for all the children of Controller are created by this driver. - If this parameter is not NULL and the first Device Path Node is - not the End of Device Path Node, then only the handle for the - child device specified by the first Device Path Node of - RemainingDevicePath is created by this driver. - If the first Device Path Node of RemainingDevicePath is - the End of Device Path Node, no child handle is created by this - driver. - - @retval EFI_SUCCESS The device was started. - @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - @retval Others The driver failded to start the device. - -**/ -EFI_STATUS -EFIAPI -AtaAtapiPassThruStart ( - IN EFI_DRIVER_BINDING_PROTOCOL *This, - IN EFI_HANDLE Controller, - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath - ); - -/** - Stops a device controller or a bus controller. - - The Stop() function is designed to be invoked from the EFI boot service DisconnectController(). - As a result, much of the error checking on the parameters to Stop() has been moved - into this common boot service. It is legal to call Stop() from other locations, - but the following calling restrictions must be followed, or the system behavior will not be deterministic. - 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this - same driver's Start() function. - 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid - EFI_HANDLE. In addition, all of these handles must have been created in this driver's - Start() function, and the Start() function must have called OpenProtocol() on - ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. - - @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. - @param[in] ControllerHandle A handle to the device being stopped. The handle must - support a bus specific I/O protocol for the driver - to use to stop the device. - @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer. - @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL - if NumberOfChildren is 0. - - @retval EFI_SUCCESS The device was stopped. - @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. - -**/ -EFI_STATUS -EFIAPI -AtaAtapiPassThruStop ( - IN EFI_DRIVER_BINDING_PROTOCOL *This, - IN EFI_HANDLE Controller, - IN UINTN NumberOfChildren, - IN EFI_HANDLE *ChildHandleBuffer - ); - -/** - Traverse the attached ATA devices list to find out the device to access. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - @param[in] Port The port number of the ATA device to send the command. - @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command. - If there is no port multiplier, then specify 0. - @param[in] DeviceType The device type of the ATA device. - - @retval The pointer to the data structure of the device info to access. - -**/ -LIST_ENTRY * -EFIAPI -SearchDeviceInfoList ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance, - IN UINT16 Port, - IN UINT16 PortMultiplier, - IN EFI_ATA_DEVICE_TYPE DeviceType - ); - -/** - Allocate device info data structure to contain device info. - And insert the data structure to the tail of device list for tracing. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - @param[in] Port The port number of the ATA device to send the command. - @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command. - If there is no port multiplier, then specify 0. - @param[in] DeviceType The device type of the ATA device. - @param[in] IdentifyData The data buffer to store the output of the IDENTIFY cmd. - - @retval EFI_SUCCESS Successfully insert the ata device to the tail of device list. - @retval EFI_OUT_OF_RESOURCES Can not allocate enough resource for use. - -**/ -EFI_STATUS -EFIAPI -CreateNewDeviceInfo ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance, - IN UINT16 Port, - IN UINT16 PortMultiplier, - IN EFI_ATA_DEVICE_TYPE DeviceType, - IN EFI_IDENTIFY_DATA *IdentifyData - ); - -/** - Destroy all attached ATA devices info. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - -**/ -VOID -EFIAPI -DestroyDeviceInfoList ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance - ); - -/** - Destroy all pending non blocking tasks. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - @param[in] IsSigEvent Indicate whether signal the task event when remove the - task. - -**/ -VOID -EFIAPI -DestroyAsynTaskList ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance, - IN BOOLEAN IsSigEvent - ); - -/** - Enumerate all attached ATA devices at IDE mode or AHCI mode separately. - - The function is designed to enumerate all attached ATA devices. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - - @retval EFI_SUCCESS Successfully enumerate attached ATA devices. - @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. - -**/ -EFI_STATUS -EFIAPI -EnumerateAttachedDevice ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance - ); - -/** - Call back funtion when the timer event is signaled. - - @param[in] Event The Event this notify function registered to. - @param[in] Context Pointer to the context data registered to the - Event. - -**/ -VOID -EFIAPI -AsyncNonBlockingTransferRoutine ( - EFI_EVENT Event, - VOID* Context - ); - -/** - Sends an ATA command to an ATA device that is attached to the ATA controller. This function - supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required, - and the non-blocking I/O functionality is optional. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] Port The port number of the ATA device to send the command. - @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command. - If there is no port multiplier, then specify 0. - @param[in, out] Packet A pointer to the ATA command to send to the ATA device specified by Port - and PortMultiplierPort. - @param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking - I/O is performed. If Event is NULL, then blocking I/O is performed. If - Event is not NULL and non blocking I/O is supported, then non-blocking - I/O is performed, and Event will be signaled when the ATA command completes. - - @retval EFI_SUCCESS The ATA command was sent by the host. For bi-directional commands, - InTransferLength bytes were transferred from InDataBuffer. For write and - bi-directional commands, OutTransferLength bytes were transferred by OutDataBuffer. - @retval EFI_BAD_BUFFER_SIZE The ATA command was not executed. The number of bytes that could be transferred - is returned in InTransferLength. For write and bi-directional commands, - OutTransferLength bytes were transferred by OutDataBuffer. - @retval EFI_NOT_READY The ATA command could not be sent because there are too many ATA commands - already queued. The caller may retry again later. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the ATA command. - @retval EFI_INVALID_PARAMETER Port, PortMultiplierPort, or the contents of Acb are invalid. The ATA - command was not sent, so no additional status information is available. - -**/ -EFI_STATUS -EFIAPI -AtaPassThruPassThru ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN UINT16 Port, - IN UINT16 PortMultiplierPort, - IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet, - IN EFI_EVENT Event OPTIONAL - ); - -/** - Used to retrieve the list of legal port numbers for ATA devices on an ATA controller. - These can either be the list of ports where ATA devices are actually present or the - list of legal port numbers for the ATA controller. Regardless, the caller of this - function must probe the port number returned to see if an ATA device is actually - present at that location on the ATA controller. - - The GetNextPort() function retrieves the port number on an ATA controller. If on input - Port is 0xFFFF, then the port number of the first port on the ATA controller is returned - in Port and EFI_SUCCESS is returned. - - If Port is a port number that was returned on a previous call to GetNextPort(), then the - port number of the next port on the ATA controller is returned in Port, and EFI_SUCCESS - is returned. If Port is not 0xFFFF and Port was not returned on a previous call to - GetNextPort(), then EFI_INVALID_PARAMETER is returned. - - If Port is the port number of the last port on the ATA controller, then EFI_NOT_FOUND is - returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in, out] Port On input, a pointer to the port number on the ATA controller. - On output, a pointer to the next port number on the ATA - controller. An input value of 0xFFFF retrieves the first port - number on the ATA controller. - - @retval EFI_SUCCESS The next port number on the ATA controller was returned in Port. - @retval EFI_NOT_FOUND There are no more ports on this ATA controller. - @retval EFI_INVALID_PARAMETER Port is not 0xFFFF and Port was not returned on a previous call - to GetNextPort(). - -**/ -EFI_STATUS -EFIAPI -AtaPassThruGetNextPort ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN OUT UINT16 *Port - ); - -/** - Used to retrieve the list of legal port multiplier port numbers for ATA devices on a port of an ATA - controller. These can either be the list of port multiplier ports where ATA devices are actually - present on port or the list of legal port multiplier ports on that port. Regardless, the caller of this - function must probe the port number and port multiplier port number returned to see if an ATA - device is actually present. - - The GetNextDevice() function retrieves the port multiplier port number of an ATA device - present on a port of an ATA controller. - - If PortMultiplierPort points to a port multiplier port number value that was returned on a - previous call to GetNextDevice(), then the port multiplier port number of the next ATA device - on the port of the ATA controller is returned in PortMultiplierPort, and EFI_SUCCESS is - returned. - - If PortMultiplierPort points to 0xFFFF, then the port multiplier port number of the first - ATA device on port of the ATA controller is returned in PortMultiplierPort and - EFI_SUCCESS is returned. - - If PortMultiplierPort is not 0xFFFF and the value pointed to by PortMultiplierPort - was not returned on a previous call to GetNextDevice(), then EFI_INVALID_PARAMETER - is returned. - - If PortMultiplierPort is the port multiplier port number of the last ATA device on the port of - the ATA controller, then EFI_NOT_FOUND is returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] Port The port number present on the ATA controller. - @param[in, out] PortMultiplierPort On input, a pointer to the port multiplier port number of an - ATA device present on the ATA controller. - If on input a PortMultiplierPort of 0xFFFF is specified, - then the port multiplier port number of the first ATA device - is returned. On output, a pointer to the port multiplier port - number of the next ATA device present on an ATA controller. - - @retval EFI_SUCCESS The port multiplier port number of the next ATA device on the port - of the ATA controller was returned in PortMultiplierPort. - @retval EFI_NOT_FOUND There are no more ATA devices on this port of the ATA controller. - @retval EFI_INVALID_PARAMETER PortMultiplierPort is not 0xFFFF, and PortMultiplierPort was not - returned on a previous call to GetNextDevice(). - -**/ -EFI_STATUS -EFIAPI -AtaPassThruGetNextDevice ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN UINT16 Port, - IN OUT UINT16 *PortMultiplierPort - ); - -/** - Used to allocate and build a device path node for an ATA device on an ATA controller. - - The BuildDevicePath() function allocates and builds a single device node for the ATA - device specified by Port and PortMultiplierPort. If the ATA device specified by Port and - PortMultiplierPort is not present on the ATA controller, then EFI_NOT_FOUND is returned. - If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. If there are not enough - resources to allocate the device path node, then EFI_OUT_OF_RESOURCES is returned. - - Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of - DevicePath are initialized to describe the ATA device specified by Port and PortMultiplierPort, - and EFI_SUCCESS is returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] Port Port specifies the port number of the ATA device for which a - device path node is to be allocated and built. - @param[in] PortMultiplierPort The port multiplier port number of the ATA device for which a - device path node is to be allocated and built. If there is no - port multiplier, then specify 0. - @param[in, out] DevicePath A pointer to a single device path node that describes the ATA - device specified by Port and PortMultiplierPort. This function - is responsible for allocating the buffer DevicePath with the - boot service AllocatePool(). It is the caller's responsibility - to free DevicePath when the caller is finished with DevicePath. - @retval EFI_SUCCESS The device path node that describes the ATA device specified by - Port and PortMultiplierPort was allocated and returned in DevicePath. - @retval EFI_NOT_FOUND The ATA device specified by Port and PortMultiplierPort does not - exist on the ATA controller. - @retval EFI_INVALID_PARAMETER DevicePath is NULL. - @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath. - -**/ -EFI_STATUS -EFIAPI -AtaPassThruBuildDevicePath ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN UINT16 Port, - IN UINT16 PortMultiplierPort, - IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath - ); - -/** - Used to translate a device path node to a port number and port multiplier port number. - - The GetDevice() function determines the port and port multiplier port number associated with - the ATA device described by DevicePath. If DevicePath is a device path node type that the - ATA Pass Thru driver supports, then the ATA Pass Thru driver will attempt to translate the contents - DevicePath into a port number and port multiplier port number. - - If this translation is successful, then that port number and port multiplier port number are returned - in Port and PortMultiplierPort, and EFI_SUCCESS is returned. - - If DevicePath, Port, or PortMultiplierPort are NULL, then EFI_INVALID_PARAMETER is returned. - - If DevicePath is not a device path node type that the ATA Pass Thru driver supports, then - EFI_UNSUPPORTED is returned. - - If DevicePath is a device path node type that the ATA Pass Thru driver supports, but there is not - a valid translation from DevicePath to a port number and port multiplier port number, then - EFI_NOT_FOUND is returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] DevicePath A pointer to the device path node that describes an ATA device on the - ATA controller. - @param[out] Port On return, points to the port number of an ATA device on the ATA controller. - @param[out] PortMultiplierPort On return, points to the port multiplier port number of an ATA device - on the ATA controller. - - @retval EFI_SUCCESS DevicePath was successfully translated to a port number and port multiplier - port number, and they were returned in Port and PortMultiplierPort. - @retval EFI_INVALID_PARAMETER DevicePath is NULL. - @retval EFI_INVALID_PARAMETER Port is NULL. - @retval EFI_INVALID_PARAMETER PortMultiplierPort is NULL. - @retval EFI_UNSUPPORTED This driver does not support the device path node type in DevicePath. - @retval EFI_NOT_FOUND A valid translation from DevicePath to a port number and port multiplier - port number does not exist. - -**/ -EFI_STATUS -EFIAPI -AtaPassThruGetDevice ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, - OUT UINT16 *Port, - OUT UINT16 *PortMultiplierPort - ); - -/** - Resets a specific port on the ATA controller. This operation also resets all the ATA devices - connected to the port. - - The ResetChannel() function resets an a specific port on an ATA controller. This operation - resets all the ATA devices connected to that port. If this ATA controller does not support - a reset port operation, then EFI_UNSUPPORTED is returned. - - If a device error occurs while executing that port reset operation, then EFI_DEVICE_ERROR is - returned. - - If a timeout occurs during the execution of the port reset operation, then EFI_TIMEOUT is returned. - - If the port reset operation is completed, then EFI_SUCCESS is returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] Port The port number on the ATA controller. - - @retval EFI_SUCCESS The ATA controller port was reset. - @retval EFI_UNSUPPORTED The ATA controller does not support a port reset operation. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA port. - @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA port. - -**/ -EFI_STATUS -EFIAPI -AtaPassThruResetPort ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN UINT16 Port - ); - -/** - Resets an ATA device that is connected to an ATA controller. - - The ResetDevice() function resets the ATA device specified by Port and PortMultiplierPort. - If this ATA controller does not support a device reset operation, then EFI_UNSUPPORTED is - returned. - - If Port or PortMultiplierPort are not in a valid range for this ATA controller, then - EFI_INVALID_PARAMETER is returned. - - If a device error occurs while executing that device reset operation, then EFI_DEVICE_ERROR - is returned. - - If a timeout occurs during the execution of the device reset operation, then EFI_TIMEOUT is - returned. - - If the device reset operation is completed, then EFI_SUCCESS is returned. - - @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance. - @param[in] Port Port represents the port number of the ATA device to be reset. - @param[in] PortMultiplierPort The port multiplier port number of the ATA device to reset. - If there is no port multiplier, then specify 0. - @retval EFI_SUCCESS The ATA device specified by Port and PortMultiplierPort was reset. - @retval EFI_UNSUPPORTED The ATA controller does not support a device reset operation. - @retval EFI_INVALID_PARAMETER Port or PortMultiplierPort are invalid. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA device - specified by Port and PortMultiplierPort. - @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA device - specified by Port and PortMultiplierPort. - -**/ -EFI_STATUS -EFIAPI -AtaPassThruResetDevice ( - IN EFI_ATA_PASS_THRU_PROTOCOL *This, - IN UINT16 Port, - IN UINT16 PortMultiplierPort - ); - -/** - Sends a SCSI Request Packet to a SCSI device that is attached to the SCSI channel. This function - supports both blocking I/O and nonblocking I/O. The blocking I/O functionality is required, and the - nonblocking I/O functionality is optional. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param Target The Target is an array of size TARGET_MAX_BYTES and it represents - the id of the SCSI device to send the SCSI Request Packet. Each - transport driver may choose to utilize a subset of this size to suit the needs - of transport target representation. For example, a Fibre Channel driver - may use only 8 bytes (WWN) to represent an FC target. - @param Lun The LUN of the SCSI device to send the SCSI Request Packet. - @param Packet A pointer to the SCSI Request Packet to send to the SCSI device - specified by Target and Lun. - @param Event If nonblocking I/O is not supported then Event is ignored, and blocking - I/O is performed. If Event is NULL, then blocking I/O is performed. If - Event is not NULL and non blocking I/O is supported, then - nonblocking I/O is performed, and Event will be signaled when the - SCSI Request Packet completes. - - @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional - commands, InTransferLength bytes were transferred from - InDataBuffer. For write and bi-directional commands, - OutTransferLength bytes were transferred by - OutDataBuffer. - @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was not executed. The number of bytes that - could be transferred is returned in InTransferLength. For write - and bi-directional commands, OutTransferLength bytes were - transferred by OutDataBuffer. - @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many - SCSI Request Packets already queued. The caller may retry again later. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request - Packet. - @retval EFI_INVALID_PARAMETER Target, Lun, or the contents of ScsiRequestPacket are invalid. - @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported - by the host adapter. This includes the case of Bi-directional SCSI - commands not supported by the implementation. The SCSI Request - Packet was not sent, so no additional status information is available. - @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruPassThru ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN UINT8 *Target, - IN UINT64 Lun, - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet, - IN EFI_EVENT Event OPTIONAL - ); - -/** - Used to retrieve the list of legal Target IDs and LUNs for SCSI devices on a SCSI channel. These - can either be the list SCSI devices that are actually present on the SCSI channel, or the list of legal - Target Ids and LUNs for the SCSI channel. Regardless, the caller of this function must probe the - Target ID and LUN returned to see if a SCSI device is actually present at that location on the SCSI - channel. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param Target On input, a pointer to the Target ID (an array of size - TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel. - On output, a pointer to the Target ID (an array of - TARGET_MAX_BYTES) of the next SCSI device present on a SCSI - channel. An input value of 0xF(all bytes in the array are 0xF) in the - Target array retrieves the Target ID of the first SCSI device present on a - SCSI channel. - @param Lun On input, a pointer to the LUN of a SCSI device present on the SCSI - channel. On output, a pointer to the LUN of the next SCSI device present - on a SCSI channel. - - @retval EFI_SUCCESS The Target ID and LUN of the next SCSI device on the SCSI - channel was returned in Target and Lun. - @retval EFI_INVALID_PARAMETER Target array is not all 0xF, and Target and Lun were - not returned on a previous call to GetNextTargetLun(). - @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruGetNextTargetLun ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN OUT UINT8 **Target, - IN OUT UINT64 *Lun - ); - -/** - Used to allocate and build a device path node for a SCSI device on a SCSI channel. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param Target The Target is an array of size TARGET_MAX_BYTES and it specifies the - Target ID of the SCSI device for which a device path node is to be - allocated and built. Transport drivers may chose to utilize a subset of - this size to suit the representation of targets. For example, a Fibre - Channel driver may use only 8 bytes (WWN) in the array to represent a - FC target. - @param Lun The LUN of the SCSI device for which a device path node is to be - allocated and built. - @param DevicePath A pointer to a single device path node that describes the SCSI device - specified by Target and Lun. This function is responsible for - allocating the buffer DevicePath with the boot service - AllocatePool(). It is the caller's responsibility to free - DevicePath when the caller is finished with DevicePath. - - @retval EFI_SUCCESS The device path node that describes the SCSI device specified by - Target and Lun was allocated and returned in - DevicePath. - @retval EFI_INVALID_PARAMETER DevicePath is NULL. - @retval EFI_NOT_FOUND The SCSI devices specified by Target and Lun does not exist - on the SCSI channel. - @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruBuildDevicePath ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN UINT8 *Target, - IN UINT64 Lun, - IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath - ); - -/** - Used to translate a device path node to a Target ID and LUN. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param DevicePath A pointer to a single device path node that describes the SCSI device - on the SCSI channel. - @param Target A pointer to the Target Array which represents the ID of a SCSI device - on the SCSI channel. - @param Lun A pointer to the LUN of a SCSI device on the SCSI channel. - - @retval EFI_SUCCESS DevicePath was successfully translated to a Target ID and - LUN, and they were returned in Target and Lun. - @retval EFI_INVALID_PARAMETER DevicePath or Target or Lun is NULL. - @retval EFI_NOT_FOUND A valid translation from DevicePath to a Target ID and LUN - does not exist. - @retval EFI_UNSUPPORTED This driver does not support the device path node type in - DevicePath. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruGetTargetLun ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, - OUT UINT8 **Target, - OUT UINT64 *Lun - ); - -/** - Resets a SCSI channel. This operation resets all the SCSI devices connected to the SCSI channel. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - - @retval EFI_SUCCESS The SCSI channel was reset. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI channel. - @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI channel. - @retval EFI_UNSUPPORTED The SCSI channel does not support a channel reset operation. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruResetChannel ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This - ); - -/** - Resets a SCSI logical unit that is connected to a SCSI channel. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param Target The Target is an array of size TARGET_MAX_BYTE and it represents the - target port ID of the SCSI device containing the SCSI logical unit to - reset. Transport drivers may chose to utilize a subset of this array to suit - the representation of their targets. - @param Lun The LUN of the SCSI device to reset. - - @retval EFI_SUCCESS The SCSI device specified by Target and Lun was reset. - @retval EFI_INVALID_PARAMETER Target or Lun is NULL. - @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI device - specified by Target and Lun. - @retval EFI_UNSUPPORTED The SCSI channel does not support a target reset operation. - @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI device - specified by Target and Lun. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruResetTargetLun ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN UINT8 *Target, - IN UINT64 Lun - ); - -/** - Used to retrieve the list of legal Target IDs for SCSI devices on a SCSI channel. These can either - be the list SCSI devices that are actually present on the SCSI channel, or the list of legal Target IDs - for the SCSI channel. Regardless, the caller of this function must probe the Target ID returned to - see if a SCSI device is actually present at that location on the SCSI channel. - - @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. - @param Target (TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel. - On output, a pointer to the Target ID (an array of - TARGET_MAX_BYTES) of the next SCSI device present on a SCSI - channel. An input value of 0xF(all bytes in the array are 0xF) in the - Target array retrieves the Target ID of the first SCSI device present on a - SCSI channel. - - @retval EFI_SUCCESS The Target ID of the next SCSI device on the SCSI - channel was returned in Target. - @retval EFI_INVALID_PARAMETER Target or Lun is NULL. - @retval EFI_TIMEOUT Target array is not all 0xF, and Target was not - returned on a previous call to GetNextTarget(). - @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel. - -**/ -EFI_STATUS -EFIAPI -ExtScsiPassThruGetNextTarget ( - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, - IN OUT UINT8 **Target - ); - -/** - Initialize ATA host controller at IDE mode. - - The function is designed to initialize ATA host controller. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - -**/ -EFI_STATUS -EFIAPI -IdeModeInitialization ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance - ); - -/** - Initialize ATA host controller at AHCI mode. - - The function is designed to initialize ATA host controller. - - @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance. - -**/ -EFI_STATUS -EFIAPI -AhciModeInitialization ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance - ); - -/** - Start a non data transfer on specific port. - - @param[in] PciIo The PCI IO protocol instance. - @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS. - @param[in] Port The number of port. - @param[in] PortMultiplier The timeout value of stop. - @param[in] AtapiCommand The atapi command will be used for the - transfer. - @param[in] AtapiCommandLength The length of the atapi command. - @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data. - @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data. - @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_DEVICE_ERROR The non data transfer abort with error occurs. - @retval EFI_TIMEOUT The operation is time out. - @retval EFI_UNSUPPORTED The device is not ready for transfer. - @retval EFI_SUCCESS The non data transfer executes successfully. - -**/ -EFI_STATUS -EFIAPI -AhciNonDataTransfer ( - IN EFI_PCI_IO_PROTOCOL *PciIo, - IN EFI_AHCI_REGISTERS *AhciRegisters, - IN UINT8 Port, - IN UINT8 PortMultiplier, - IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL, - IN UINT8 AtapiCommandLength, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -/** - Start a DMA data transfer on specific port - - @param[in] Instance The ATA_ATAPI_PASS_THRU_INSTANCE protocol instance. - @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS. - @param[in] Port The number of port. - @param[in] PortMultiplier The timeout value of stop. - @param[in] AtapiCommand The atapi command will be used for the - transfer. - @param[in] AtapiCommandLength The length of the atapi command. - @param[in] Read The transfer direction. - @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data. - @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data. - @param[in, out] MemoryAddr The pointer to the data buffer. - @param[in] DataCount The data count to be transferred. - @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_DEVICE_ERROR The DMA data transfer abort with error occurs. - @retval EFI_TIMEOUT The operation is time out. - @retval EFI_UNSUPPORTED The device is not ready for transfer. - @retval EFI_SUCCESS The DMA data transfer executes successfully. - -**/ -EFI_STATUS -EFIAPI -AhciDmaTransfer ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance, - IN EFI_AHCI_REGISTERS *AhciRegisters, - IN UINT8 Port, - IN UINT8 PortMultiplier, - IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL, - IN UINT8 AtapiCommandLength, - IN BOOLEAN Read, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN OUT VOID *MemoryAddr, - IN UINT32 DataCount, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -/** - Start a PIO data transfer on specific port. - - @param[in] PciIo The PCI IO protocol instance. - @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS. - @param[in] Port The number of port. - @param[in] PortMultiplier The timeout value of stop. - @param[in] AtapiCommand The atapi command will be used for the - transfer. - @param[in] AtapiCommandLength The length of the atapi command. - @param[in] Read The transfer direction. - @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data. - @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data. - @param[in, out] MemoryAddr The pointer to the data buffer. - @param[in] DataCount The data count to be transferred. - @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_DEVICE_ERROR The PIO data transfer abort with error occurs. - @retval EFI_TIMEOUT The operation is time out. - @retval EFI_UNSUPPORTED The device is not ready for transfer. - @retval EFI_SUCCESS The PIO data transfer executes successfully. - -**/ -EFI_STATUS -EFIAPI -AhciPioTransfer ( - IN EFI_PCI_IO_PROTOCOL *PciIo, - IN EFI_AHCI_REGISTERS *AhciRegisters, - IN UINT8 Port, - IN UINT8 PortMultiplier, - IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL, - IN UINT8 AtapiCommandLength, - IN BOOLEAN Read, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN OUT VOID *MemoryAddr, - IN UINT32 DataCount, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -/** - Send ATA command into device with NON_DATA protocol - - @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE - data structure. - @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure. - @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data - structure. - @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure. - @param[in] Timeout The time to complete the command, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_SUCCESS Reading succeed - @retval EFI_ABORTED Command failed - @retval EFI_DEVICE_ERROR Device status error. - -**/ -EFI_STATUS -EFIAPI -AtaNonDataCommandIn ( - IN EFI_PCI_IO_PROTOCOL *PciIo, - IN EFI_IDE_REGISTERS *IdeRegisters, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -/** - Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt). - - @param[in] Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data - structure. - @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure. - @param[in] Read Flag used to determine the data transfer - direction. Read equals 1, means data transferred - from device to host;Read equals 0, means data - transferred from host to device. - @param[in] DataBuffer A pointer to the source buffer for the data. - @param[in] DataLength The length of the data. - @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure. - @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure. - @param[in] Timeout The time to complete the command, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_SUCCESS the operation is successful. - @retval EFI_OUT_OF_RESOURCES Build PRD table failed - @retval EFI_UNSUPPORTED Unknown channel or operations command - @retval EFI_DEVICE_ERROR Ata command execute failed - -**/ -EFI_STATUS -EFIAPI -AtaUdmaInOut ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance, - IN EFI_IDE_REGISTERS *IdeRegisters, - IN BOOLEAN Read, - IN VOID *DataBuffer, - IN UINT64 DataLength, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -/** - This function is used to send out ATA commands conforms to the PIO Data In Protocol. - - @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data - structure. - @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure. - @param[in, out] Buffer A pointer to the source buffer for the data. - @param[in] ByteCount The length of the data. - @param[in] Read Flag used to determine the data transfer direction. - Read equals 1, means data transferred from device - to host;Read equals 0, means data transferred - from host to device. - @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure. - @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure. - @param[in] Timeout The time to complete the command, uses 100ns as a unit. - @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK - used by non-blocking mode. - - @retval EFI_SUCCESS send out the ATA command and device send required data successfully. - @retval EFI_DEVICE_ERROR command sent failed. - -**/ -EFI_STATUS -EFIAPI -AtaPioDataInOut ( - IN EFI_PCI_IO_PROTOCOL *PciIo, - IN EFI_IDE_REGISTERS *IdeRegisters, - IN OUT VOID *Buffer, - IN UINT64 ByteCount, - IN BOOLEAN Read, - IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock, - IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock, - IN UINT64 Timeout, - IN ATA_NONBLOCK_TASK *Task - ); - -#endif - +/** @file
+ Header file for ATA/ATAPI PASS THRU driver.
+
+ Copyright (c) 2010 - 2012, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef __ATA_ATAPI_PASS_THRU_H__
+#define __ATA_ATAPI_PASS_THRU_H__
+
+#include <Uefi.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Atapi.h>
+#include <IndustryStandard/Scsi.h>
+
+#include <Protocol/PciIo.h>
+#include <Protocol/IdeControllerInit.h>
+#include <Protocol/AtaPassThru.h>
+#include <Protocol/ScsiPassThruExt.h>
+
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/PciLib.h>
+#include <Library/PcdLib.h>
+#include <Library/TimerLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/ReportStatusCodeLib.h>
+#include <Library/DevicePathLib.h>
+
+#include "IdeMode.h"
+#include "AhciMode.h"
+
+extern EFI_DRIVER_BINDING_PROTOCOL gAtaAtapiPassThruDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gAtaAtapiPassThruComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gAtaAtapiPassThruComponentName2;
+
+#define ATA_ATAPI_PASS_THRU_SIGNATURE SIGNATURE_32 ('a', 'a', 'p', 't')
+#define ATA_ATAPI_DEVICE_SIGNATURE SIGNATURE_32 ('a', 'd', 'e', 'v')
+#define ATA_NONBLOCKING_TASK_SIGNATURE SIGNATURE_32 ('a', 't', 's', 'k')
+
+typedef struct _ATA_NONBLOCK_TASK ATA_NONBLOCK_TASK;
+
+typedef enum {
+ EfiAtaIdeMode,
+ EfiAtaAhciMode,
+ EfiAtaRaidMode,
+ EfiAtaUnknownMode
+} EFI_ATA_HC_WORK_MODE;
+
+typedef enum {
+ EfiIdeCdrom, /* ATAPI CDROM */
+ EfiIdeHarddisk, /* Hard Disk */
+ EfiPortMultiplier, /* Port Multiplier */
+ EfiIdeUnknown
+} EFI_ATA_DEVICE_TYPE;
+
+//
+// Ahci mode device info
+//
+typedef struct {
+ UINT32 Signature;
+ LIST_ENTRY Link;
+
+ UINT16 Port;
+ UINT16 PortMultiplier;
+ EFI_ATA_DEVICE_TYPE Type;
+
+ EFI_IDENTIFY_DATA *IdentifyData;
+} EFI_ATA_DEVICE_INFO;
+
+typedef struct {
+ UINT32 Signature;
+
+ EFI_HANDLE ControllerHandle;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeControllerInit;
+
+ EFI_ATA_PASS_THRU_MODE AtaPassThruMode;
+ EFI_ATA_PASS_THRU_PROTOCOL AtaPassThru;
+ EFI_EXT_SCSI_PASS_THRU_MODE ExtScsiPassThruMode;
+ EFI_EXT_SCSI_PASS_THRU_PROTOCOL ExtScsiPassThru;
+
+ EFI_ATA_HC_WORK_MODE Mode;
+
+ EFI_IDE_REGISTERS IdeRegisters[EfiIdeMaxChannel];
+ EFI_AHCI_REGISTERS AhciRegisters;
+
+ //
+ // The attached device list
+ //
+ LIST_ENTRY DeviceList;
+ UINT64 OriginalPciAttributes;
+
+ //
+ // For AtaPassThru protocol, using the following bytes to record the previous call in
+ // GetNextPort()/GetNextDevice().
+ //
+ UINT16 PreviousPort;
+ UINT16 PreviousPortMultiplier;
+ //
+ // For ExtScsiPassThru protocol, using the following bytes to record the previous call in
+ // GetNextTarget()/GetNextTargetLun().
+ //
+ UINT16 PreviousTargetId;
+ UINT64 PreviousLun;
+
+ //
+ // For Non-blocking.
+ //
+ EFI_EVENT TimerEvent;
+ LIST_ENTRY NonBlockingTaskList;
+} ATA_ATAPI_PASS_THRU_INSTANCE;
+
+//
+// Task for Non-blocking mode.
+//
+struct _ATA_NONBLOCK_TASK {
+ UINT32 Signature;
+ LIST_ENTRY Link;
+
+ UINT16 Port;
+ UINT16 PortMultiplier;
+ EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet;
+ BOOLEAN IsStart;
+ EFI_EVENT Event;
+ UINT64 RetryTimes;
+ VOID *Map; // Pointer to map.
+ VOID *TableMap;// Pointer to PRD table map.
+ EFI_ATA_DMA_PRD *MapBaseAddress; // Pointer to range Base address for Map.
+ UINTN PageCount; // The page numbers used by PCIO freebuffer.
+};
+
+//
+// Timeout value which uses 100ns as a unit.
+// It means 3 second span.
+//
+#define ATA_ATAPI_TIMEOUT EFI_TIMER_PERIOD_SECONDS(3)
+
+#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0)
+
+#define ATA_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \
+ CR (a, \
+ ATA_ATAPI_PASS_THRU_INSTANCE, \
+ AtaPassThru, \
+ ATA_ATAPI_PASS_THRU_SIGNATURE \
+ )
+
+#define EXT_SCSI_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \
+ CR (a, \
+ ATA_ATAPI_PASS_THRU_INSTANCE, \
+ ExtScsiPassThru, \
+ ATA_ATAPI_PASS_THRU_SIGNATURE \
+ )
+
+#define ATA_ATAPI_DEVICE_INFO_FROM_THIS(a) \
+ CR (a, \
+ EFI_ATA_DEVICE_INFO, \
+ Link, \
+ ATA_ATAPI_DEVICE_SIGNATURE \
+ );
+
+#define ATA_NON_BLOCK_TASK_FROM_ENTRY(a) \
+ CR (a, \
+ ATA_NONBLOCK_TASK, \
+ Link, \
+ ATA_NONBLOCKING_TASK_SIGNATURE \
+ );
+
+/**
+ Retrieves a Unicode string that is the user readable name of the driver.
+
+ This function retrieves the user readable name of a driver in the form of a
+ Unicode string. If the driver specified by This has a user readable name in
+ the language specified by Language, then a pointer to the driver name is
+ returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+ by This does not support the language specified by Language,
+ then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified
+ in RFC 4646 or ISO 639-2 language code format.
+
+ @param DriverName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ driver specified by This in the language
+ specified by Language.
+
+ @retval EFI_SUCCESS The Unicode string for the Driver specified by
+ This and the language specified by Language was
+ returned in DriverName.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaAtapiPassThruComponentNameGetDriverName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN CHAR8 *Language,
+ OUT CHAR16 **DriverName
+ );
+
+/**
+ Retrieves a Unicode string that is the user readable name of the controller
+ that is being managed by a driver.
+
+ This function retrieves the user readable name of the controller specified by
+ ControllerHandle and ChildHandle in the form of a Unicode string. If the
+ driver specified by This has a user readable name in the language specified by
+ Language, then a pointer to the controller name is returned in ControllerName,
+ and EFI_SUCCESS is returned. If the driver specified by This is not currently
+ managing the controller specified by ControllerHandle and ChildHandle,
+ then EFI_UNSUPPORTED is returned. If the driver specified by This does not
+ support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+ @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+ EFI_COMPONENT_NAME_PROTOCOL instance.
+
+ @param ControllerHandle[in] The handle of a controller that the driver
+ specified by This is managing. This handle
+ specifies the controller whose name is to be
+ returned.
+
+ @param ChildHandle[in] The handle of the child controller to retrieve
+ the name of. This is an optional parameter that
+ may be NULL. It will be NULL for device
+ drivers. It will also be NULL for a bus drivers
+ that wish to retrieve the name of the bus
+ controller. It will not be NULL for a bus
+ driver that wishes to retrieve the name of a
+ child controller.
+
+ @param Language[in] A pointer to a Null-terminated ASCII string
+ array indicating the language. This is the
+ language of the driver name that the caller is
+ requesting, and it must match one of the
+ languages specified in SupportedLanguages. The
+ number of languages supported by a driver is up
+ to the driver writer. Language is specified in
+ RFC 4646 or ISO 639-2 language code format.
+
+ @param ControllerName[out] A pointer to the Unicode string to return.
+ This Unicode string is the name of the
+ controller specified by ControllerHandle and
+ ChildHandle in the language specified by
+ Language from the point of view of the driver
+ specified by This.
+
+ @retval EFI_SUCCESS The Unicode string for the user readable name in
+ the language specified by Language for the
+ driver specified by This was returned in
+ DriverName.
+
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
+
+ @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+ EFI_HANDLE.
+
+ @retval EFI_INVALID_PARAMETER Language is NULL.
+
+ @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+ @retval EFI_UNSUPPORTED The driver specified by This is not currently
+ managing the controller specified by
+ ControllerHandle and ChildHandle.
+
+ @retval EFI_UNSUPPORTED The driver specified by This does not support
+ the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaAtapiPassThruComponentNameGetControllerName (
+ IN EFI_COMPONENT_NAME_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT CHAR16 **ControllerName
+ );
+
+/**
+ Tests to see if this driver supports a given controller. If a child device is provided,
+ it further tests to see if this driver supports creating a handle for the specified child device.
+
+ This function checks to see if the driver specified by This supports the device specified by
+ ControllerHandle. Drivers will typically use the device path attached to
+ ControllerHandle and/or the services from the bus I/O abstraction attached to
+ ControllerHandle to determine if the driver supports ControllerHandle. This function
+ may be called many times during platform initialization. In order to reduce boot times, the tests
+ performed by this function must be very small, and take as little time as possible to execute. This
+ function must not change the state of any hardware devices, and this function must be aware that the
+ device specified by ControllerHandle may already be managed by the same driver or a
+ different driver. This function must match its calls to AllocatePages() with FreePages(),
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
+ Because ControllerHandle may have been previously started by the same driver, if a protocol is
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required
+ to guarantee the state of ControllerHandle is not modified by this function.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to test. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For bus drivers, if this parameter is not NULL, then
+ the bus driver must determine if the bus controller specified
+ by ControllerHandle and the child controller specified
+ by RemainingDevicePath are both supported by this
+ bus driver.
+
+ @retval EFI_SUCCESS The device specified by ControllerHandle and
+ RemainingDevicePath is supported by the driver specified by This.
+ @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by the driver
+ specified by This.
+ @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and
+ RemainingDevicePath is already being managed by a different
+ driver or an application that requires exclusive access.
+ Currently not implemented.
+ @retval EFI_UNSUPPORTED The device specified by ControllerHandle and
+ RemainingDevicePath is not supported by the driver specified by This.
+**/
+EFI_STATUS
+EFIAPI
+AtaAtapiPassThruSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Starts a device controller or a bus controller.
+
+ The Start() function is designed to be invoked from the EFI boot service ConnectController().
+ As a result, much of the error checking on the parameters to Start() has been moved into this
+ common boot service. It is legal to call Start() from other locations,
+ but the following calling restrictions must be followed, or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE.
+ 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
+ EFI_DEVICE_PATH_PROTOCOL.
+ 3. Prior to calling Start(), the Supported() function for the driver specified by This must
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle The handle of the controller to start. This handle
+ must support a protocol interface that supplies
+ an I/O abstraction to the driver.
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For a bus driver, if this parameter is NULL, then handles
+ for all the children of Controller are created by this driver.
+ If this parameter is not NULL and the first Device Path Node is
+ not the End of Device Path Node, then only the handle for the
+ child device specified by the first Device Path Node of
+ RemainingDevicePath is created by this driver.
+ If the first Device Path Node of RemainingDevicePath is
+ the End of Device Path Node, no child handle is created by this
+ driver.
+
+ @retval EFI_SUCCESS The device was started.
+ @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented.
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
+ @retval Others The driver failded to start the device.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaAtapiPassThruStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ );
+
+/**
+ Stops a device controller or a bus controller.
+
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
+ As a result, much of the error checking on the parameters to Stop() has been moved
+ into this common boot service. It is legal to call Stop() from other locations,
+ but the following calling restrictions must be followed, or the system behavior will not be deterministic.
+ 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
+ same driver's Start() function.
+ 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid
+ EFI_HANDLE. In addition, all of these handles must have been created in this driver's
+ Start() function, and the Start() function must have called OpenProtocol() on
+ ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
+
+ @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must
+ support a bus specific I/O protocol for the driver
+ to use to stop the device.
+ @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
+ if NumberOfChildren is 0.
+
+ @retval EFI_SUCCESS The device was stopped.
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaAtapiPassThruStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ );
+
+/**
+ Traverse the attached ATA devices list to find out the device to access.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+ @param[in] Port The port number of the ATA device to send the command.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.
+ If there is no port multiplier, then specify 0.
+ @param[in] DeviceType The device type of the ATA device.
+
+ @retval The pointer to the data structure of the device info to access.
+
+**/
+LIST_ENTRY *
+EFIAPI
+SearchDeviceInfoList (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplier,
+ IN EFI_ATA_DEVICE_TYPE DeviceType
+ );
+
+/**
+ Allocate device info data structure to contain device info.
+ And insert the data structure to the tail of device list for tracing.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+ @param[in] Port The port number of the ATA device to send the command.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.
+ If there is no port multiplier, then specify 0.
+ @param[in] DeviceType The device type of the ATA device.
+ @param[in] IdentifyData The data buffer to store the output of the IDENTIFY cmd.
+
+ @retval EFI_SUCCESS Successfully insert the ata device to the tail of device list.
+ @retval EFI_OUT_OF_RESOURCES Can not allocate enough resource for use.
+
+**/
+EFI_STATUS
+EFIAPI
+CreateNewDeviceInfo (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplier,
+ IN EFI_ATA_DEVICE_TYPE DeviceType,
+ IN EFI_IDENTIFY_DATA *IdentifyData
+ );
+
+/**
+ Destroy all attached ATA devices info.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+
+**/
+VOID
+EFIAPI
+DestroyDeviceInfoList (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance
+ );
+
+/**
+ Destroy all pending non blocking tasks.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+ @param[in] IsSigEvent Indicate whether signal the task event when remove the
+ task.
+
+**/
+VOID
+EFIAPI
+DestroyAsynTaskList (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,
+ IN BOOLEAN IsSigEvent
+ );
+
+/**
+ Enumerate all attached ATA devices at IDE mode or AHCI mode separately.
+
+ The function is designed to enumerate all attached ATA devices.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+
+ @retval EFI_SUCCESS Successfully enumerate attached ATA devices.
+ @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
+
+**/
+EFI_STATUS
+EFIAPI
+EnumerateAttachedDevice (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance
+ );
+
+/**
+ Call back funtion when the timer event is signaled.
+
+ @param[in] Event The Event this notify function registered to.
+ @param[in] Context Pointer to the context data registered to the
+ Event.
+
+**/
+VOID
+EFIAPI
+AsyncNonBlockingTransferRoutine (
+ EFI_EVENT Event,
+ VOID* Context
+ );
+
+/**
+ Sends an ATA command to an ATA device that is attached to the ATA controller. This function
+ supports both blocking I/O and non-blocking I/O. The blocking I/O functionality is required,
+ and the non-blocking I/O functionality is optional.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number of the ATA device to send the command.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to send the command.
+ If there is no port multiplier, then specify 0.
+ @param[in, out] Packet A pointer to the ATA command to send to the ATA device specified by Port
+ and PortMultiplierPort.
+ @param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If
+ Event is not NULL and non blocking I/O is supported, then non-blocking
+ I/O is performed, and Event will be signaled when the ATA command completes.
+
+ @retval EFI_SUCCESS The ATA command was sent by the host. For bi-directional commands,
+ InTransferLength bytes were transferred from InDataBuffer. For write and
+ bi-directional commands, OutTransferLength bytes were transferred by OutDataBuffer.
+ @retval EFI_BAD_BUFFER_SIZE The ATA command was not executed. The number of bytes that could be transferred
+ is returned in InTransferLength. For write and bi-directional commands,
+ OutTransferLength bytes were transferred by OutDataBuffer.
+ @retval EFI_NOT_READY The ATA command could not be sent because there are too many ATA commands
+ already queued. The caller may retry again later.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the ATA command.
+ @retval EFI_INVALID_PARAMETER Port, PortMultiplierPort, or the contents of Acb are invalid. The ATA
+ command was not sent, so no additional status information is available.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruPassThru (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort,
+ IN OUT EFI_ATA_PASS_THRU_COMMAND_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+/**
+ Used to retrieve the list of legal port numbers for ATA devices on an ATA controller.
+ These can either be the list of ports where ATA devices are actually present or the
+ list of legal port numbers for the ATA controller. Regardless, the caller of this
+ function must probe the port number returned to see if an ATA device is actually
+ present at that location on the ATA controller.
+
+ The GetNextPort() function retrieves the port number on an ATA controller. If on input
+ Port is 0xFFFF, then the port number of the first port on the ATA controller is returned
+ in Port and EFI_SUCCESS is returned.
+
+ If Port is a port number that was returned on a previous call to GetNextPort(), then the
+ port number of the next port on the ATA controller is returned in Port, and EFI_SUCCESS
+ is returned. If Port is not 0xFFFF and Port was not returned on a previous call to
+ GetNextPort(), then EFI_INVALID_PARAMETER is returned.
+
+ If Port is the port number of the last port on the ATA controller, then EFI_NOT_FOUND is
+ returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in, out] Port On input, a pointer to the port number on the ATA controller.
+ On output, a pointer to the next port number on the ATA
+ controller. An input value of 0xFFFF retrieves the first port
+ number on the ATA controller.
+
+ @retval EFI_SUCCESS The next port number on the ATA controller was returned in Port.
+ @retval EFI_NOT_FOUND There are no more ports on this ATA controller.
+ @retval EFI_INVALID_PARAMETER Port is not 0xFFFF and Port was not returned on a previous call
+ to GetNextPort().
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruGetNextPort (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT16 *Port
+ );
+
+/**
+ Used to retrieve the list of legal port multiplier port numbers for ATA devices on a port of an ATA
+ controller. These can either be the list of port multiplier ports where ATA devices are actually
+ present on port or the list of legal port multiplier ports on that port. Regardless, the caller of this
+ function must probe the port number and port multiplier port number returned to see if an ATA
+ device is actually present.
+
+ The GetNextDevice() function retrieves the port multiplier port number of an ATA device
+ present on a port of an ATA controller.
+
+ If PortMultiplierPort points to a port multiplier port number value that was returned on a
+ previous call to GetNextDevice(), then the port multiplier port number of the next ATA device
+ on the port of the ATA controller is returned in PortMultiplierPort, and EFI_SUCCESS is
+ returned.
+
+ If PortMultiplierPort points to 0xFFFF, then the port multiplier port number of the first
+ ATA device on port of the ATA controller is returned in PortMultiplierPort and
+ EFI_SUCCESS is returned.
+
+ If PortMultiplierPort is not 0xFFFF and the value pointed to by PortMultiplierPort
+ was not returned on a previous call to GetNextDevice(), then EFI_INVALID_PARAMETER
+ is returned.
+
+ If PortMultiplierPort is the port multiplier port number of the last ATA device on the port of
+ the ATA controller, then EFI_NOT_FOUND is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number present on the ATA controller.
+ @param[in, out] PortMultiplierPort On input, a pointer to the port multiplier port number of an
+ ATA device present on the ATA controller.
+ If on input a PortMultiplierPort of 0xFFFF is specified,
+ then the port multiplier port number of the first ATA device
+ is returned. On output, a pointer to the port multiplier port
+ number of the next ATA device present on an ATA controller.
+
+ @retval EFI_SUCCESS The port multiplier port number of the next ATA device on the port
+ of the ATA controller was returned in PortMultiplierPort.
+ @retval EFI_NOT_FOUND There are no more ATA devices on this port of the ATA controller.
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is not 0xFFFF, and PortMultiplierPort was not
+ returned on a previous call to GetNextDevice().
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruGetNextDevice (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN OUT UINT16 *PortMultiplierPort
+ );
+
+/**
+ Used to allocate and build a device path node for an ATA device on an ATA controller.
+
+ The BuildDevicePath() function allocates and builds a single device node for the ATA
+ device specified by Port and PortMultiplierPort. If the ATA device specified by Port and
+ PortMultiplierPort is not present on the ATA controller, then EFI_NOT_FOUND is returned.
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. If there are not enough
+ resources to allocate the device path node, then EFI_OUT_OF_RESOURCES is returned.
+
+ Otherwise, DevicePath is allocated with the boot service AllocatePool(), the contents of
+ DevicePath are initialized to describe the ATA device specified by Port and PortMultiplierPort,
+ and EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port Port specifies the port number of the ATA device for which a
+ device path node is to be allocated and built.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device for which a
+ device path node is to be allocated and built. If there is no
+ port multiplier, then specify 0.
+ @param[in, out] DevicePath A pointer to a single device path node that describes the ATA
+ device specified by Port and PortMultiplierPort. This function
+ is responsible for allocating the buffer DevicePath with the
+ boot service AllocatePool(). It is the caller's responsibility
+ to free DevicePath when the caller is finished with DevicePath.
+ @retval EFI_SUCCESS The device path node that describes the ATA device specified by
+ Port and PortMultiplierPort was allocated and returned in DevicePath.
+ @retval EFI_NOT_FOUND The ATA device specified by Port and PortMultiplierPort does not
+ exist on the ATA controller.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruBuildDevicePath (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ );
+
+/**
+ Used to translate a device path node to a port number and port multiplier port number.
+
+ The GetDevice() function determines the port and port multiplier port number associated with
+ the ATA device described by DevicePath. If DevicePath is a device path node type that the
+ ATA Pass Thru driver supports, then the ATA Pass Thru driver will attempt to translate the contents
+ DevicePath into a port number and port multiplier port number.
+
+ If this translation is successful, then that port number and port multiplier port number are returned
+ in Port and PortMultiplierPort, and EFI_SUCCESS is returned.
+
+ If DevicePath, Port, or PortMultiplierPort are NULL, then EFI_INVALID_PARAMETER is returned.
+
+ If DevicePath is not a device path node type that the ATA Pass Thru driver supports, then
+ EFI_UNSUPPORTED is returned.
+
+ If DevicePath is a device path node type that the ATA Pass Thru driver supports, but there is not
+ a valid translation from DevicePath to a port number and port multiplier port number, then
+ EFI_NOT_FOUND is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] DevicePath A pointer to the device path node that describes an ATA device on the
+ ATA controller.
+ @param[out] Port On return, points to the port number of an ATA device on the ATA controller.
+ @param[out] PortMultiplierPort On return, points to the port multiplier port number of an ATA device
+ on the ATA controller.
+
+ @retval EFI_SUCCESS DevicePath was successfully translated to a port number and port multiplier
+ port number, and they were returned in Port and PortMultiplierPort.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_INVALID_PARAMETER Port is NULL.
+ @retval EFI_INVALID_PARAMETER PortMultiplierPort is NULL.
+ @retval EFI_UNSUPPORTED This driver does not support the device path node type in DevicePath.
+ @retval EFI_NOT_FOUND A valid translation from DevicePath to a port number and port multiplier
+ port number does not exist.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruGetDevice (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT16 *Port,
+ OUT UINT16 *PortMultiplierPort
+ );
+
+/**
+ Resets a specific port on the ATA controller. This operation also resets all the ATA devices
+ connected to the port.
+
+ The ResetChannel() function resets an a specific port on an ATA controller. This operation
+ resets all the ATA devices connected to that port. If this ATA controller does not support
+ a reset port operation, then EFI_UNSUPPORTED is returned.
+
+ If a device error occurs while executing that port reset operation, then EFI_DEVICE_ERROR is
+ returned.
+
+ If a timeout occurs during the execution of the port reset operation, then EFI_TIMEOUT is returned.
+
+ If the port reset operation is completed, then EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port The port number on the ATA controller.
+
+ @retval EFI_SUCCESS The ATA controller port was reset.
+ @retval EFI_UNSUPPORTED The ATA controller does not support a port reset operation.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA port.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA port.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruResetPort (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port
+ );
+
+/**
+ Resets an ATA device that is connected to an ATA controller.
+
+ The ResetDevice() function resets the ATA device specified by Port and PortMultiplierPort.
+ If this ATA controller does not support a device reset operation, then EFI_UNSUPPORTED is
+ returned.
+
+ If Port or PortMultiplierPort are not in a valid range for this ATA controller, then
+ EFI_INVALID_PARAMETER is returned.
+
+ If a device error occurs while executing that device reset operation, then EFI_DEVICE_ERROR
+ is returned.
+
+ If a timeout occurs during the execution of the device reset operation, then EFI_TIMEOUT is
+ returned.
+
+ If the device reset operation is completed, then EFI_SUCCESS is returned.
+
+ @param[in] This A pointer to the EFI_ATA_PASS_THRU_PROTOCOL instance.
+ @param[in] Port Port represents the port number of the ATA device to be reset.
+ @param[in] PortMultiplierPort The port multiplier port number of the ATA device to reset.
+ If there is no port multiplier, then specify 0.
+ @retval EFI_SUCCESS The ATA device specified by Port and PortMultiplierPort was reset.
+ @retval EFI_UNSUPPORTED The ATA controller does not support a device reset operation.
+ @retval EFI_INVALID_PARAMETER Port or PortMultiplierPort are invalid.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the ATA device
+ specified by Port and PortMultiplierPort.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the ATA device
+ specified by Port and PortMultiplierPort.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPassThruResetDevice (
+ IN EFI_ATA_PASS_THRU_PROTOCOL *This,
+ IN UINT16 Port,
+ IN UINT16 PortMultiplierPort
+ );
+
+/**
+ Sends a SCSI Request Packet to a SCSI device that is attached to the SCSI channel. This function
+ supports both blocking I/O and nonblocking I/O. The blocking I/O functionality is required, and the
+ nonblocking I/O functionality is optional.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param Target The Target is an array of size TARGET_MAX_BYTES and it represents
+ the id of the SCSI device to send the SCSI Request Packet. Each
+ transport driver may choose to utilize a subset of this size to suit the needs
+ of transport target representation. For example, a Fibre Channel driver
+ may use only 8 bytes (WWN) to represent an FC target.
+ @param Lun The LUN of the SCSI device to send the SCSI Request Packet.
+ @param Packet A pointer to the SCSI Request Packet to send to the SCSI device
+ specified by Target and Lun.
+ @param Event If nonblocking I/O is not supported then Event is ignored, and blocking
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If
+ Event is not NULL and non blocking I/O is supported, then
+ nonblocking I/O is performed, and Event will be signaled when the
+ SCSI Request Packet completes.
+
+ @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional
+ commands, InTransferLength bytes were transferred from
+ InDataBuffer. For write and bi-directional commands,
+ OutTransferLength bytes were transferred by
+ OutDataBuffer.
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was not executed. The number of bytes that
+ could be transferred is returned in InTransferLength. For write
+ and bi-directional commands, OutTransferLength bytes were
+ transferred by OutDataBuffer.
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many
+ SCSI Request Packets already queued. The caller may retry again later.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request
+ Packet.
+ @retval EFI_INVALID_PARAMETER Target, Lun, or the contents of ScsiRequestPacket are invalid.
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported
+ by the host adapter. This includes the case of Bi-directional SCSI
+ commands not supported by the implementation. The SCSI Request
+ Packet was not sent, so no additional status information is available.
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruPassThru (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun,
+ IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
+ );
+
+/**
+ Used to retrieve the list of legal Target IDs and LUNs for SCSI devices on a SCSI channel. These
+ can either be the list SCSI devices that are actually present on the SCSI channel, or the list of legal
+ Target Ids and LUNs for the SCSI channel. Regardless, the caller of this function must probe the
+ Target ID and LUN returned to see if a SCSI device is actually present at that location on the SCSI
+ channel.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param Target On input, a pointer to the Target ID (an array of size
+ TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel.
+ On output, a pointer to the Target ID (an array of
+ TARGET_MAX_BYTES) of the next SCSI device present on a SCSI
+ channel. An input value of 0xF(all bytes in the array are 0xF) in the
+ Target array retrieves the Target ID of the first SCSI device present on a
+ SCSI channel.
+ @param Lun On input, a pointer to the LUN of a SCSI device present on the SCSI
+ channel. On output, a pointer to the LUN of the next SCSI device present
+ on a SCSI channel.
+
+ @retval EFI_SUCCESS The Target ID and LUN of the next SCSI device on the SCSI
+ channel was returned in Target and Lun.
+ @retval EFI_INVALID_PARAMETER Target array is not all 0xF, and Target and Lun were
+ not returned on a previous call to GetNextTargetLun().
+ @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruGetNextTargetLun (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 **Target,
+ IN OUT UINT64 *Lun
+ );
+
+/**
+ Used to allocate and build a device path node for a SCSI device on a SCSI channel.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param Target The Target is an array of size TARGET_MAX_BYTES and it specifies the
+ Target ID of the SCSI device for which a device path node is to be
+ allocated and built. Transport drivers may chose to utilize a subset of
+ this size to suit the representation of targets. For example, a Fibre
+ Channel driver may use only 8 bytes (WWN) in the array to represent a
+ FC target.
+ @param Lun The LUN of the SCSI device for which a device path node is to be
+ allocated and built.
+ @param DevicePath A pointer to a single device path node that describes the SCSI device
+ specified by Target and Lun. This function is responsible for
+ allocating the buffer DevicePath with the boot service
+ AllocatePool(). It is the caller's responsibility to free
+ DevicePath when the caller is finished with DevicePath.
+
+ @retval EFI_SUCCESS The device path node that describes the SCSI device specified by
+ Target and Lun was allocated and returned in
+ DevicePath.
+ @retval EFI_INVALID_PARAMETER DevicePath is NULL.
+ @retval EFI_NOT_FOUND The SCSI devices specified by Target and Lun does not exist
+ on the SCSI channel.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruBuildDevicePath (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
+ );
+
+/**
+ Used to translate a device path node to a Target ID and LUN.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param DevicePath A pointer to a single device path node that describes the SCSI device
+ on the SCSI channel.
+ @param Target A pointer to the Target Array which represents the ID of a SCSI device
+ on the SCSI channel.
+ @param Lun A pointer to the LUN of a SCSI device on the SCSI channel.
+
+ @retval EFI_SUCCESS DevicePath was successfully translated to a Target ID and
+ LUN, and they were returned in Target and Lun.
+ @retval EFI_INVALID_PARAMETER DevicePath or Target or Lun is NULL.
+ @retval EFI_NOT_FOUND A valid translation from DevicePath to a Target ID and LUN
+ does not exist.
+ @retval EFI_UNSUPPORTED This driver does not support the device path node type in
+ DevicePath.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruGetTargetLun (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT UINT8 **Target,
+ OUT UINT64 *Lun
+ );
+
+/**
+ Resets a SCSI channel. This operation resets all the SCSI devices connected to the SCSI channel.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+
+ @retval EFI_SUCCESS The SCSI channel was reset.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI channel.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI channel.
+ @retval EFI_UNSUPPORTED The SCSI channel does not support a channel reset operation.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruResetChannel (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
+ );
+
+/**
+ Resets a SCSI logical unit that is connected to a SCSI channel.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param Target The Target is an array of size TARGET_MAX_BYTE and it represents the
+ target port ID of the SCSI device containing the SCSI logical unit to
+ reset. Transport drivers may chose to utilize a subset of this array to suit
+ the representation of their targets.
+ @param Lun The LUN of the SCSI device to reset.
+
+ @retval EFI_SUCCESS The SCSI device specified by Target and Lun was reset.
+ @retval EFI_INVALID_PARAMETER Target or Lun is NULL.
+ @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI device
+ specified by Target and Lun.
+ @retval EFI_UNSUPPORTED The SCSI channel does not support a target reset operation.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI device
+ specified by Target and Lun.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruResetTargetLun (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN UINT8 *Target,
+ IN UINT64 Lun
+ );
+
+/**
+ Used to retrieve the list of legal Target IDs for SCSI devices on a SCSI channel. These can either
+ be the list SCSI devices that are actually present on the SCSI channel, or the list of legal Target IDs
+ for the SCSI channel. Regardless, the caller of this function must probe the Target ID returned to
+ see if a SCSI device is actually present at that location on the SCSI channel.
+
+ @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
+ @param Target (TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel.
+ On output, a pointer to the Target ID (an array of
+ TARGET_MAX_BYTES) of the next SCSI device present on a SCSI
+ channel. An input value of 0xF(all bytes in the array are 0xF) in the
+ Target array retrieves the Target ID of the first SCSI device present on a
+ SCSI channel.
+
+ @retval EFI_SUCCESS The Target ID of the next SCSI device on the SCSI
+ channel was returned in Target.
+ @retval EFI_INVALID_PARAMETER Target or Lun is NULL.
+ @retval EFI_TIMEOUT Target array is not all 0xF, and Target was not
+ returned on a previous call to GetNextTarget().
+ @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel.
+
+**/
+EFI_STATUS
+EFIAPI
+ExtScsiPassThruGetNextTarget (
+ IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
+ IN OUT UINT8 **Target
+ );
+
+/**
+ Initialize ATA host controller at IDE mode.
+
+ The function is designed to initialize ATA host controller.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+
+**/
+EFI_STATUS
+EFIAPI
+IdeModeInitialization (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance
+ );
+
+/**
+ Initialize ATA host controller at AHCI mode.
+
+ The function is designed to initialize ATA host controller.
+
+ @param[in] Instance A pointer to the ATA_ATAPI_PASS_THRU_INSTANCE instance.
+
+**/
+EFI_STATUS
+EFIAPI
+AhciModeInitialization (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance
+ );
+
+/**
+ Start a non data transfer on specific port.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS.
+ @param[in] Port The number of port.
+ @param[in] PortMultiplier The timeout value of stop.
+ @param[in] AtapiCommand The atapi command will be used for the
+ transfer.
+ @param[in] AtapiCommandLength The length of the atapi command.
+ @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data.
+ @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data.
+ @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_DEVICE_ERROR The non data transfer abort with error occurs.
+ @retval EFI_TIMEOUT The operation is time out.
+ @retval EFI_UNSUPPORTED The device is not ready for transfer.
+ @retval EFI_SUCCESS The non data transfer executes successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+AhciNonDataTransfer (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_AHCI_REGISTERS *AhciRegisters,
+ IN UINT8 Port,
+ IN UINT8 PortMultiplier,
+ IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL,
+ IN UINT8 AtapiCommandLength,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+/**
+ Start a DMA data transfer on specific port
+
+ @param[in] Instance The ATA_ATAPI_PASS_THRU_INSTANCE protocol instance.
+ @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS.
+ @param[in] Port The number of port.
+ @param[in] PortMultiplier The timeout value of stop.
+ @param[in] AtapiCommand The atapi command will be used for the
+ transfer.
+ @param[in] AtapiCommandLength The length of the atapi command.
+ @param[in] Read The transfer direction.
+ @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data.
+ @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data.
+ @param[in, out] MemoryAddr The pointer to the data buffer.
+ @param[in] DataCount The data count to be transferred.
+ @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_DEVICE_ERROR The DMA data transfer abort with error occurs.
+ @retval EFI_TIMEOUT The operation is time out.
+ @retval EFI_UNSUPPORTED The device is not ready for transfer.
+ @retval EFI_SUCCESS The DMA data transfer executes successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+AhciDmaTransfer (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,
+ IN EFI_AHCI_REGISTERS *AhciRegisters,
+ IN UINT8 Port,
+ IN UINT8 PortMultiplier,
+ IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL,
+ IN UINT8 AtapiCommandLength,
+ IN BOOLEAN Read,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN OUT VOID *MemoryAddr,
+ IN UINT32 DataCount,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+/**
+ Start a PIO data transfer on specific port.
+
+ @param[in] PciIo The PCI IO protocol instance.
+ @param[in] AhciRegisters The pointer to the EFI_AHCI_REGISTERS.
+ @param[in] Port The number of port.
+ @param[in] PortMultiplier The timeout value of stop.
+ @param[in] AtapiCommand The atapi command will be used for the
+ transfer.
+ @param[in] AtapiCommandLength The length of the atapi command.
+ @param[in] Read The transfer direction.
+ @param[in] AtaCommandBlock The EFI_ATA_COMMAND_BLOCK data.
+ @param[in, out] AtaStatusBlock The EFI_ATA_STATUS_BLOCK data.
+ @param[in, out] MemoryAddr The pointer to the data buffer.
+ @param[in] DataCount The data count to be transferred.
+ @param[in] Timeout The timeout value of non data transfer, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_DEVICE_ERROR The PIO data transfer abort with error occurs.
+ @retval EFI_TIMEOUT The operation is time out.
+ @retval EFI_UNSUPPORTED The device is not ready for transfer.
+ @retval EFI_SUCCESS The PIO data transfer executes successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+AhciPioTransfer (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_AHCI_REGISTERS *AhciRegisters,
+ IN UINT8 Port,
+ IN UINT8 PortMultiplier,
+ IN EFI_AHCI_ATAPI_COMMAND *AtapiCommand OPTIONAL,
+ IN UINT8 AtapiCommandLength,
+ IN BOOLEAN Read,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN OUT VOID *MemoryAddr,
+ IN UINT32 DataCount,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+/**
+ Send ATA command into device with NON_DATA protocol
+
+ @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE
+ data structure.
+ @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.
+ @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data
+ structure.
+ @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.
+ @param[in] Timeout The time to complete the command, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_SUCCESS Reading succeed
+ @retval EFI_ABORTED Command failed
+ @retval EFI_DEVICE_ERROR Device status error.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaNonDataCommandIn (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_IDE_REGISTERS *IdeRegisters,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+/**
+ Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt).
+
+ @param[in] Instance A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data
+ structure.
+ @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.
+ @param[in] Read Flag used to determine the data transfer
+ direction. Read equals 1, means data transferred
+ from device to host;Read equals 0, means data
+ transferred from host to device.
+ @param[in] DataBuffer A pointer to the source buffer for the data.
+ @param[in] DataLength The length of the data.
+ @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure.
+ @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.
+ @param[in] Timeout The time to complete the command, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_SUCCESS the operation is successful.
+ @retval EFI_OUT_OF_RESOURCES Build PRD table failed
+ @retval EFI_UNSUPPORTED Unknown channel or operations command
+ @retval EFI_DEVICE_ERROR Ata command execute failed
+
+**/
+EFI_STATUS
+EFIAPI
+AtaUdmaInOut (
+ IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance,
+ IN EFI_IDE_REGISTERS *IdeRegisters,
+ IN BOOLEAN Read,
+ IN VOID *DataBuffer,
+ IN UINT64 DataLength,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+/**
+ This function is used to send out ATA commands conforms to the PIO Data In Protocol.
+
+ @param[in] PciIo A pointer to ATA_ATAPI_PASS_THRU_INSTANCE data
+ structure.
+ @param[in] IdeRegisters A pointer to EFI_IDE_REGISTERS data structure.
+ @param[in, out] Buffer A pointer to the source buffer for the data.
+ @param[in] ByteCount The length of the data.
+ @param[in] Read Flag used to determine the data transfer direction.
+ Read equals 1, means data transferred from device
+ to host;Read equals 0, means data transferred
+ from host to device.
+ @param[in] AtaCommandBlock A pointer to EFI_ATA_COMMAND_BLOCK data structure.
+ @param[in, out] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure.
+ @param[in] Timeout The time to complete the command, uses 100ns as a unit.
+ @param[in] Task Optional. Pointer to the ATA_NONBLOCK_TASK
+ used by non-blocking mode.
+
+ @retval EFI_SUCCESS send out the ATA command and device send required data successfully.
+ @retval EFI_DEVICE_ERROR command sent failed.
+
+**/
+EFI_STATUS
+EFIAPI
+AtaPioDataInOut (
+ IN EFI_PCI_IO_PROTOCOL *PciIo,
+ IN EFI_IDE_REGISTERS *IdeRegisters,
+ IN OUT VOID *Buffer,
+ IN UINT64 ByteCount,
+ IN BOOLEAN Read,
+ IN EFI_ATA_COMMAND_BLOCK *AtaCommandBlock,
+ IN OUT EFI_ATA_STATUS_BLOCK *AtaStatusBlock,
+ IN UINT64 Timeout,
+ IN ATA_NONBLOCK_TASK *Task
+ );
+
+#endif
+
|