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Diffstat (limited to 'MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h | 1000 |
1 files changed, 1000 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h new file mode 100644 index 0000000000..69e6dc0ebf --- /dev/null +++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AtaAtapiPassThru.h @@ -0,0 +1,1000 @@ +/** @file
+ Header file for ATA/ATAPI PASS THRU driver.
+
+ Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef __ATA_ATAPI_PASS_THRU_H__
+#define __ATA_ATAPI_PASS_THRU_H__
+
+#include <Uefi.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Atapi.h>
+#include <IndustryStandard/Scsi.h>
+
+#include <Protocol/PciIo.h>
+#include <Protocol/IdeControllerInit.h>
+#include <Protocol/AtaPassThru.h>
+#include <Protocol/ScsiPassThruExt.h>
+
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Library/PciLib.h>
+#include <Library/PcdLib.h>
+#include <Library/TimerLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/ReportStatusCodeLib.h>
+#include <Library/DevicePathLib.h>
+
+#include "IdeMode.h"
+#include "AhciMode.h"
+
+extern EFI_DRIVER_BINDING_PROTOCOL gAtaAtapiPassThruDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL gAtaAtapiPassThruComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL gAtaAtapiPassThruComponentName2;
+
+#define ATA_ATAPI_PASS_THRU_SIGNATURE SIGNATURE_32 ('a', 'a', 'p', 't')
+#define ATA_ATAPI_DEVICE_SIGNATURE SIGNATURE_32 ('a', 'd', 'e', 'v')
+
+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;
+
+} ATA_ATAPI_PASS_THRU_INSTANCE;
+
+//
+// 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 \
+ );
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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
+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
+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
+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
+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
+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
+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
+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
+ );
+
+#endif
+
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