mirror of https://github.com/acidanthera/audk.git
791 lines
26 KiB
C
791 lines
26 KiB
C
/** @file
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Header file for SCSI Disk Driver.
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Copyright (c) 2004 - 2008, Intel Corporation. <BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _SCSI_DISK_H_
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#define _SCSI_DISK_H_
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#include <Uefi.h>
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#include <Protocol/ScsiIo.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/BlockIo.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ScsiPassThruExt.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiScsiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <IndustryStandard/Scsi.h>
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#define IS_DEVICE_FIXED(a) (a)->FixedDevice ? 1 : 0
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#define SCSI_DISK_DEV_SIGNATURE SIGNATURE_32 ('s', 'c', 'd', 'k')
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typedef struct {
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UINT32 Signature;
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EFI_HANDLE Handle;
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EFI_BLOCK_IO_PROTOCOL BlkIo;
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EFI_BLOCK_IO_MEDIA BlkIoMedia;
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EFI_SCSI_IO_PROTOCOL *ScsiIo;
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UINT8 DeviceType;
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BOOLEAN FixedDevice;
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UINT16 Reserved;
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EFI_SCSI_SENSE_DATA *SenseData;
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UINTN SenseDataNumber;
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EFI_SCSI_INQUIRY_DATA InquiryData;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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} SCSI_DISK_DEV;
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#define SCSI_DISK_DEV_FROM_THIS(a) CR (a, SCSI_DISK_DEV, BlkIo, SCSI_DISK_DEV_SIGNATURE)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gScsiDiskComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gScsiDiskComponentName2;
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//
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// action code used in detect media process
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//
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#define ACTION_NO_ACTION 0x00
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#define ACTION_READ_CAPACITY 0x01
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#define ACTION_RETRY_COMMAND_LATER 0x02
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#define SCSI_COMMAND_VERSION_1 0x01
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#define SCSI_COMMAND_VERSION_2 0x02
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#define SCSI_COMMAND_VERSION_3 0x03
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/**
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Test to see if this driver supports ControllerHandle.
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This service is called by the EFI boot service ConnectController(). In order
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to make drivers as small as possible, there are a few calling restrictions for
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this service. ConnectController() must follow these calling restrictions.
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If any other agent wishes to call Supported() it must also follow these
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calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device
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@retval EFI_ALREADY_STARTED This driver is already running on this device
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Start this driver on ControllerHandle.
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This service is called by the EFI boot service ConnectController(). In order
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to make drivers as small as possible, there are a few calling restrictions for
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this service. ConnectController() must follow these calling restrictions. If
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any other agent wishes to call Start() it must also follow these calling
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restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Stop this driver on ControllerHandle.
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This service is called by the EFI boot service DisconnectController().
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In order to make drivers as small as possible, there are a few calling
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restrictions for this service. DisconnectController() must follow these
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calling restrictions. If any other agent wishes to call Stop() it must
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also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
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);
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//
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// EFI Component Name Functions
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//
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/**
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Retrieves a Unicode string that is the user readable name of the driver.
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This function retrieves the user readable name of a driver in the form of a
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Unicode string. If the driver specified by This has a user readable name in
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the language specified by Language, then a pointer to the driver name is
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returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
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by This does not support the language specified by Language,
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then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified
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in RFC 4646 or ISO 639-2 language code format.
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@param DriverName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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driver specified by This in the language
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specified by Language.
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@retval EFI_SUCCESS The Unicode string for the Driver specified by
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This and the language specified by Language was
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returned in DriverName.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER DriverName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskComponentNameGetDriverName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN CHAR8 *Language,
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OUT CHAR16 **DriverName
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);
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/**
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Retrieves a Unicode string that is the user readable name of the controller
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that is being managed by a driver.
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This function retrieves the user readable name of the controller specified by
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ControllerHandle and ChildHandle in the form of a Unicode string. If the
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driver specified by This has a user readable name in the language specified by
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Language, then a pointer to the controller name is returned in ControllerName,
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and EFI_SUCCESS is returned. If the driver specified by This is not currently
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managing the controller specified by ControllerHandle and ChildHandle,
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then EFI_UNSUPPORTED is returned. If the driver specified by This does not
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support the language specified by Language, then EFI_UNSUPPORTED is returned.
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@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
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EFI_COMPONENT_NAME_PROTOCOL instance.
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@param ControllerHandle The handle of a controller that the driver
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specified by This is managing. This handle
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specifies the controller whose name is to be
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returned.
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@param ChildHandle The handle of the child controller to retrieve
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the name of. This is an optional parameter that
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may be NULL. It will be NULL for device
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drivers. It will also be NULL for a bus drivers
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that wish to retrieve the name of the bus
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controller. It will not be NULL for a bus
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driver that wishes to retrieve the name of a
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child controller.
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@param Language A pointer to a Null-terminated ASCII string
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array indicating the language. This is the
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language of the driver name that the caller is
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requesting, and it must match one of the
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languages specified in SupportedLanguages. The
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number of languages supported by a driver is up
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to the driver writer. Language is specified in
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RFC 4646 or ISO 639-2 language code format.
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@param ControllerName A pointer to the Unicode string to return.
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This Unicode string is the name of the
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controller specified by ControllerHandle and
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ChildHandle in the language specified by
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Language from the point of view of the driver
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specified by This.
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@retval EFI_SUCCESS The Unicode string for the user readable name in
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the language specified by Language for the
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driver specified by This was returned in
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DriverName.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ControllerName is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This is not currently
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managing the controller specified by
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ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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the language specified by Language.
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskComponentNameGetControllerName (
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IN EFI_COMPONENT_NAME_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN CHAR8 *Language,
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OUT CHAR16 **ControllerName
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);
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/**
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Reset SCSI Disk.
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@param This The pointer of EFI_BLOCK_IO_PROTOCOL
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@param ExtendedVerification The flag about if extend verificate
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The device is not functioning properly and could
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not be reset.
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@return EFI_STATUS is retured from EFI_SCSI_IO_PROTOCOL.ResetDevice().
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskReset (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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The function is to Read Block from SCSI Disk.
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@param This The pointer of EFI_BLOCK_IO_PROTOCOL.
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@param MediaId The Id of Media detected
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@param Lba The logic block address
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@param BufferSize The size of Buffer
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@param Buffer The buffer to fill the read out data
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@retval EFI_SUCCESS Successfully to read out block.
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@retval EFI_DEVICE_ERROR Fail to detect media.
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@retval EFI_NO_MEDIA Media is not present.
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@retval EFI_MEDIA_CHANGED Media has changed.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
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@retval EFI_INVALID_PARAMETER Invalid parameter passed in.
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskReadBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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/**
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The function is to Write Block to SCSI Disk.
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@param This The pointer of EFI_BLOCK_IO_PROTOCOL
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@param MediaId The Id of Media detected
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@param Lba The logic block address
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@param BufferSize The size of Buffer
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@param Buffer The buffer to fill the read out data
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@retval EFI_SUCCESS Successfully to read out block.
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@retval EFI_WRITE_PROTECTED The device can not be written to.
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@retval EFI_DEVICE_ERROR Fail to detect media.
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@retval EFI_NO_MEDIA Media is not present.
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@retval EFI_MEDIA_CHNAGED Media has changed.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
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@retval EFI_INVALID_PARAMETER Invalid parameter passed in.
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskWriteBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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IN VOID *Buffer
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);
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/**
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Flush Block to Disk.
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EFI_SUCCESS is returned directly.
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@param This The pointer of EFI_BLOCK_IO_PROTOCOL
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@retval EFI_SUCCESS All outstanding data was written to the device
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**/
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EFI_STATUS
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EFIAPI
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ScsiDiskFlushBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This
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);
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/**
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Dectect Device and read out capacity ,if error occurs, parse the sense key.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param MustReadCapacity The flag about reading device capacity
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@param MediaChange The pointer of flag indicates if media has changed
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to detect media
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**/
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EFI_STATUS
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ScsiDiskDetectMedia (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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IN BOOLEAN MustReadCapacity,
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OUT BOOLEAN *MediaChange
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);
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/**
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To test deivice.
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When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;
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When Test Unit Ready command encounters any error caused by host adapter or
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target, return error without retrieving Sense Keys.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param NeedRetry The pointer of flag indicates try again
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@param SenseDataArray The pointer of an array of sense data
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@param NumberOfSenseKeys The pointer of the number of sense data array
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to test unit
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**/
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EFI_STATUS
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ScsiDiskTestUnitReady (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
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OUT UINTN *NumberOfSenseKeys
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);
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/**
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Parsing Sense Keys which got from request sense command.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param SenseData The pointer of EFI_SCSI_SENSE_DATA
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@param NumberOfSenseKeys The number of sense key
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@param Action The pointer of action which indicates what is need to do next
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to complete the parsing
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**/
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EFI_STATUS
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DetectMediaParsingSenseKeys (
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OUT SCSI_DISK_DEV *ScsiDiskDevice,
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IN EFI_SCSI_SENSE_DATA *SenseData,
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IN UINTN NumberOfSenseKeys,
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OUT UINTN *Action
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);
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/**
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Send read capacity command to device and get the device parameter.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param NeedRetry The pointer of flag indicates if need a retry
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@param SenseDataArray The pointer of an array of sense data
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@param NumberOfSenseKeys The number of sense key
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to read capacity
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**/
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EFI_STATUS
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ScsiDiskReadCapacity (
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IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
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OUT UINTN *NumberOfSenseKeys
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);
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/**
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Check the HostAdapter status and re-interpret it in EFI_STATUS.
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@param HostAdapterStatus Host Adapter status
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@retval EFI_SUCCESS Host adapter is OK.
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@retval EFI_TIMEOUT Timeout.
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@retval EFI_NOT_READY Adapter NOT ready.
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@retval EFI_DEVICE_ERROR Adapter device error.
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**/
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EFI_STATUS
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CheckHostAdapterStatus (
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IN UINT8 HostAdapterStatus
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);
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/**
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Check the target status and re-interpret it in EFI_STATUS.
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@param TargetStatus Target status
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@retval EFI_NOT_READY Device is NOT ready.
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@retval EFI_DEVICE_ERROR
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@retval EFI_SUCCESS
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**/
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EFI_STATUS
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CheckTargetStatus (
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IN UINT8 TargetStatus
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);
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/**
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Retrieve all sense keys from the device.
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When encountering error during the process, if retrieve sense keys before
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error encounterred, it returns the sense keys with return status set to EFI_SUCCESS,
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and NeedRetry set to FALSE; otherwize, return the proper return status.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param NeedRetry The pointer of flag indicates if need a retry
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@param SenseDataArray The pointer of an array of sense data
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@param NumberOfSenseKeys The number of sense key
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@param AskResetIfError The flag indicates if need reset when error occurs
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to request sense key
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**/
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EFI_STATUS
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ScsiDiskRequestSenseKeys (
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IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray,
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OUT UINTN *NumberOfSenseKeys,
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IN BOOLEAN AskResetIfError
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);
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/**
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Send out Inquiry command to Device.
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@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
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@param NeedRetry Indicates if needs try again when error happens
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@retval EFI_DEVICE_ERROR Indicates that error occurs
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@retval EFI_SUCCESS Successfully to detect media
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**/
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EFI_STATUS
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|
ScsiDiskInquiryDevice (
|
|
IN OUT SCSI_DISK_DEV *ScsiDiskDevice,
|
|
OUT BOOLEAN *NeedRetry
|
|
);
|
|
|
|
/**
|
|
Parse Inquiry data.
|
|
|
|
@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
|
|
|
|
**/
|
|
VOID
|
|
ParseInquiryData (
|
|
IN OUT SCSI_DISK_DEV *ScsiDiskDevice
|
|
);
|
|
|
|
/**
|
|
Read sector from SCSI Disk.
|
|
|
|
@param ScsiDiskDevice The poiniter of SCSI_DISK_DEV
|
|
@param Buffer The buffer to fill in the read out data
|
|
@param Lba Logic block address
|
|
@param NumberOfBlocks The number of blocks to read
|
|
|
|
@retval EFI_DEVICE_ERROR Indicates a device error.
|
|
@retval EFI_SUCCESS Operation is successful.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ScsiDiskReadSectors (
|
|
IN SCSI_DISK_DEV *ScsiDiskDevice,
|
|
OUT VOID *Buffer,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN NumberOfBlocks
|
|
);
|
|
|
|
/**
|
|
Write sector to SCSI Disk.
|
|
|
|
@param ScsiDiskDevice The poiniter of SCSI_DISK_DEV
|
|
@param Buffer The buffer of data to be written into SCSI Disk
|
|
@param Lba Logic block address
|
|
@param NumberOfBlocks The number of blocks to read
|
|
|
|
@retval EFI_DEVICE_ERROR Indicates a device error.
|
|
@retval EFI_SUCCESS Operation is successful.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ScsiDiskWriteSectors (
|
|
IN SCSI_DISK_DEV *ScsiDiskDevice,
|
|
IN VOID *Buffer,
|
|
IN EFI_LBA Lba,
|
|
IN UINTN NumberOfBlocks
|
|
);
|
|
|
|
/**
|
|
Sumbmit Read command.
|
|
|
|
@param ScsiDiskDevice The pointer of ScsiDiskDevice
|
|
@param NeedRetry The pointer of flag indicates if needs retry if error happens
|
|
@param SenseDataArray NOT used yet in this function
|
|
@param NumberOfSenseKeys The number of sense key
|
|
@param Timeout The time to complete the command
|
|
@param DataBuffer The buffer to fill with the read out data
|
|
@param DataLength The length of buffer
|
|
@param StartLba The start logic block address
|
|
@param SectorSize The size of sector
|
|
|
|
@return EFI_STATUS is returned by calling ScsiRead10Command().
|
|
**/
|
|
EFI_STATUS
|
|
ScsiDiskRead10 (
|
|
IN SCSI_DISK_DEV *ScsiDiskDevice,
|
|
OUT BOOLEAN *NeedRetry,
|
|
OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
|
|
OUT UINTN *NumberOfSenseKeys,
|
|
IN UINT64 Timeout,
|
|
OUT UINT8 *DataBuffer,
|
|
IN OUT UINT32 *DataLength,
|
|
IN UINT32 StartLba,
|
|
IN UINT32 SectorSize
|
|
);
|
|
|
|
/**
|
|
Submit Write Command.
|
|
|
|
@param ScsiDiskDevice The pointer of ScsiDiskDevice
|
|
@param NeedRetry The pointer of flag indicates if needs retry if error happens
|
|
@param SenseDataArray NOT used yet in this function
|
|
@param NumberOfSenseKeys The number of sense key
|
|
@param Timeout The time to complete the command
|
|
@param DataBuffer The buffer to fill with the read out data
|
|
@param DataLength The length of buffer
|
|
@param StartLba The start logic block address
|
|
@param SectorSize The size of sector
|
|
|
|
@return EFI_STATUS is returned by calling ScsiWrite10Command().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ScsiDiskWrite10 (
|
|
IN SCSI_DISK_DEV *ScsiDiskDevice,
|
|
OUT BOOLEAN *NeedRetry,
|
|
OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
|
|
OUT UINTN *NumberOfSenseKeys,
|
|
IN UINT64 Timeout,
|
|
IN UINT8 *DataBuffer,
|
|
IN OUT UINT32 *DataLength,
|
|
IN UINT32 StartLba,
|
|
IN UINT32 SectorSize
|
|
);
|
|
|
|
/**
|
|
Get information from media read capacity command.
|
|
|
|
@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
|
|
@param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA
|
|
@param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16
|
|
**/
|
|
VOID
|
|
GetMediaInfo (
|
|
SCSI_DISK_DEV *ScsiDiskDevice,
|
|
EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,
|
|
EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if media presents.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
|
|
@retval TRUE NOT any media
|
|
@retval FALSE Media presents
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsNoMedia (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Parse sense key.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
|
|
@retval TRUE Error
|
|
@retval FALSE NOT error
|
|
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsMediaError (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if hardware error happens.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
|
|
@retval TRUE Hardware error exits.
|
|
@retval FALSE NO error.
|
|
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsHardwareError (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if media has changed.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
|
|
@retval TRUE Media is changed.
|
|
@retval FALSE Medit is NOT changed.
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsMediaChange (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if reset happens.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
|
|
@retval TRUE It is reset before.
|
|
@retval FALSE It is NOT reset before.
|
|
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsResetBefore (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if the drive is ready.
|
|
|
|
@param SenseData The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts The number of sense key
|
|
@param RetryLater The flag means if need a retry
|
|
|
|
@retval TRUE Drive is ready.
|
|
@retval FALSE Drive is NOT ready.
|
|
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskIsDriveReady (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts,
|
|
OUT BOOLEAN *RetryLater
|
|
);
|
|
|
|
/**
|
|
Check sense key to find if it has sense key.
|
|
|
|
@param SenseData - The pointer of EFI_SCSI_SENSE_DATA
|
|
@param SenseCounts - The number of sense key
|
|
|
|
@retval TRUE It has sense key.
|
|
@retval FALSE It has NOT any sense key.
|
|
|
|
**/
|
|
BOOLEAN
|
|
ScsiDiskHaveSenseKey (
|
|
IN EFI_SCSI_SENSE_DATA *SenseData,
|
|
IN UINTN SenseCounts
|
|
);
|
|
|
|
/**
|
|
Release resource about disk device.
|
|
|
|
@param ScsiDiskDevice The pointer of SCSI_DISK_DEV
|
|
|
|
**/
|
|
VOID
|
|
ReleaseScsiDiskDeviceResources (
|
|
IN SCSI_DISK_DEV *ScsiDiskDevice
|
|
);
|
|
|
|
#endif
|