X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FBus%2FAta%2FAtaAtapiPassThru%2FAtaAtapiPassThru.h;h=8d6eac706c0b7a4294d19b1a80e806ef0f07732e;hp=0987478564ac3d4e4939b48f9ab7d4b95c6d4808;hb=0641808ece210dd2855a69302a0876af7bdc44a2;hpb=490b5ea10bcdab3579d4c12056b177cea52d6f8e diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h index 0987478564..8d6eac706c 100644 --- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h +++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h @@ -1,1296 +1,1307 @@ -/** @file - Header file for ATA/ATAPI PASS THRU driver. - - Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.
- 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 - -#include -#include -#include - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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 not a valid EFI_HANDLE. - - @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. - -**/ -VOID -EFIAPI -DestroyAsynTaskList ( - IN ATA_ATAPI_PASS_THRU_INSTANCE *Instance - ); - -/** - 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. - @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. - @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 UINTN 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. - @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. - @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. - @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] AtaStatusBlock A pointer to EFI_ATA_STATUS_BLOCK data structure. - @param[in] Timeout The time to complete the command. - @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 - 2016, Intel Corporation. All rights reserved.
+ 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 + +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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 EnabledPciAttributes; + 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; + + // + // For disabling the device (especially Bus Master DMA) at + // ExitBootServices(). + // + EFI_EVENT ExitBootEvent; +} 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; + BOOLEAN InfiniteWait; + 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 0xFFFF. + @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 0xFFFF. + @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 0xFFFF. + @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 0xFFFF. + @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 0xFFFF. + @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 +