/** @file Header file for SCSI Disk Driver. Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR> SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _SCSI_DISK_H_ #define _SCSI_DISK_H_ #include <Uefi.h> #include <Protocol/ScsiIo.h> #include <Protocol/ComponentName.h> #include <Protocol/BlockIo.h> #include <Protocol/BlockIo2.h> #include <Protocol/EraseBlock.h> #include <Protocol/DriverBinding.h> #include <Protocol/ScsiPassThruExt.h> #include <Protocol/ScsiPassThru.h> #include <Protocol/DiskInfo.h> #include <Library/DebugLib.h> #include <Library/UefiDriverEntryPoint.h> #include <Library/UefiLib.h> #include <Library/BaseMemoryLib.h> #include <Library/MemoryAllocationLib.h> #include <Library/UefiScsiLib.h> #include <Library/UefiBootServicesTableLib.h> #include <Library/DevicePathLib.h> #include <IndustryStandard/Scsi.h> #include <IndustryStandard/Atapi.h> #define IS_DEVICE_FIXED(a) (a)->FixedDevice ? 1 : 0 typedef struct { UINT32 MaxLbaCnt; UINT32 MaxBlkDespCnt; UINT32 GranularityAlignment; } SCSI_UNMAP_PARAM_INFO; #define SCSI_DISK_DEV_SIGNATURE SIGNATURE_32 ('s', 'c', 'd', 'k') typedef struct { UINT32 Signature; EFI_HANDLE Handle; EFI_BLOCK_IO_PROTOCOL BlkIo; EFI_BLOCK_IO2_PROTOCOL BlkIo2; EFI_BLOCK_IO_MEDIA BlkIoMedia; EFI_ERASE_BLOCK_PROTOCOL EraseBlock; EFI_SCSI_IO_PROTOCOL *ScsiIo; UINT8 DeviceType; BOOLEAN FixedDevice; UINT16 Reserved; EFI_SCSI_SENSE_DATA *SenseData; UINTN SenseDataNumber; EFI_SCSI_INQUIRY_DATA InquiryData; EFI_UNICODE_STRING_TABLE *ControllerNameTable; EFI_DISK_INFO_PROTOCOL DiskInfo; // // The following fields are only valid for ATAPI/SATA device // UINT32 Channel; UINT32 Device; ATAPI_IDENTIFY_DATA IdentifyData; // // Scsi UNMAP command parameters information // SCSI_UNMAP_PARAM_INFO UnmapInfo; BOOLEAN BlockLimitsVpdSupported; // // The flag indicates if 16-byte command can be used // BOOLEAN Cdb16Byte; // // The queue for asynchronous task requests // LIST_ENTRY AsyncTaskQueue; } SCSI_DISK_DEV; #define SCSI_DISK_DEV_FROM_BLKIO(a) CR (a, SCSI_DISK_DEV, BlkIo, SCSI_DISK_DEV_SIGNATURE) #define SCSI_DISK_DEV_FROM_BLKIO2(a) CR (a, SCSI_DISK_DEV, BlkIo2, SCSI_DISK_DEV_SIGNATURE) #define SCSI_DISK_DEV_FROM_ERASEBLK(a) CR (a, SCSI_DISK_DEV, EraseBlock, SCSI_DISK_DEV_SIGNATURE) #define SCSI_DISK_DEV_FROM_DISKINFO(a) CR (a, SCSI_DISK_DEV, DiskInfo, SCSI_DISK_DEV_SIGNATURE) // // Asynchronous I/O request // // // Private data structure for a BlockIo2 request // typedef struct { EFI_BLOCK_IO2_TOKEN *Token; // // The flag indicates if the last Scsi Read/Write sub-task for a BlockIo2 // request is sent to device // BOOLEAN LastScsiRW; // // The queue for Scsi Read/Write sub-tasks of a BlockIo2 request // LIST_ENTRY ScsiRWQueue; LIST_ENTRY Link; } SCSI_BLKIO2_REQUEST; // // Private data structure for a SCSI Read/Write request // typedef struct { SCSI_DISK_DEV *ScsiDiskDevice; UINT64 Timeout; EFI_SCSI_SENSE_DATA *SenseData; UINT8 SenseDataLength; UINT8 HostAdapterStatus; UINT8 TargetStatus; UINT8 *InBuffer; UINT8 *OutBuffer; UINT32 DataLength; UINT64 StartLba; UINT32 SectorCount; UINT8 TimesRetry; // // The BlockIo2 request this SCSI command belongs to // SCSI_BLKIO2_REQUEST *BlkIo2Req; LIST_ENTRY Link; } SCSI_ASYNC_RW_REQUEST; // // Private data structure for an EraseBlock request // typedef struct { EFI_ERASE_BLOCK_TOKEN *Token; EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket; LIST_ENTRY Link; } SCSI_ERASEBLK_REQUEST; // // Global Variables // extern EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding; extern EFI_COMPONENT_NAME_PROTOCOL gScsiDiskComponentName; extern EFI_COMPONENT_NAME2_PROTOCOL gScsiDiskComponentName2; // // action code used in detect media process // #define ACTION_NO_ACTION 0x00 #define ACTION_READ_CAPACITY 0x01 #define ACTION_RETRY_COMMAND_LATER 0x02 #define ACTION_RETRY_WITH_BACKOFF_ALGO 0x03 #define SCSI_COMMAND_VERSION_1 0x01 #define SCSI_COMMAND_VERSION_2 0x02 #define SCSI_COMMAND_VERSION_3 0x03 // // SCSI Disk Timeout Experience Value // // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, the timout // value is updated to 30s to follow ATA/ATAPI spec in which the device may take up to 30s // to respond command. // #define SCSI_DISK_TIMEOUT EFI_TIMER_PERIOD_SECONDS (30) /** Test to see if this driver supports ControllerHandle. This service is called by the EFI boot service ConnectController(). In order to make drivers as small as possible, there are a few calling restrictions for this service. ConnectController() must follow these calling restrictions. If any other agent wishes to call Supported() it must also follow these calling restrictions. @param This Protocol instance pointer. @param ControllerHandle Handle of device to test @param RemainingDevicePath Optional parameter use to pick a specific child device to start. @retval EFI_SUCCESS This driver supports this device @retval EFI_ALREADY_STARTED This driver is already running on this device @retval other This driver does not support this device **/ EFI_STATUS EFIAPI ScsiDiskDriverBindingSupported ( IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE Controller, IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL ); /** Start this driver on ControllerHandle. This service is called by the EFI boot service ConnectController(). In order to make drivers as small as possible, there are a few calling restrictions for this service. ConnectController() must follow these calling restrictions. If any other agent wishes to call Start() it must also follow these calling restrictions. @param This Protocol instance pointer. @param ControllerHandle Handle of device to bind driver to @param RemainingDevicePath Optional parameter use to pick a specific child device to start. @retval EFI_SUCCESS This driver is added to ControllerHandle @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle @retval other This driver does not support this device **/ EFI_STATUS EFIAPI ScsiDiskDriverBindingStart ( IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE Controller, IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL ); /** Stop this driver on ControllerHandle. This service is called by the EFI boot service DisconnectController(). In order to make drivers as small as possible, there are a few calling restrictions for this service. DisconnectController() must follow these calling restrictions. If any other agent wishes to call Stop() it must also follow these calling restrictions. @param This Protocol instance pointer. @param ControllerHandle Handle of device to stop driver on @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of children is zero stop the entire bus driver. @param ChildHandleBuffer List of Child Handles to Stop. @retval EFI_SUCCESS This driver is removed ControllerHandle @retval other This driver was not removed from this device **/ EFI_STATUS EFIAPI ScsiDiskDriverBindingStop ( IN EFI_DRIVER_BINDING_PROTOCOL *This, IN EFI_HANDLE Controller, IN UINTN NumberOfChildren, IN EFI_HANDLE *ChildHandleBuffer OPTIONAL ); // // EFI Component Name Functions // /** 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 A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or EFI_COMPONENT_NAME_PROTOCOL instance. @param Language 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 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 ScsiDiskComponentNameGetDriverName ( 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 A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or EFI_COMPONENT_NAME_PROTOCOL instance. @param ControllerHandle 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 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 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 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 ScsiDiskComponentNameGetControllerName ( IN EFI_COMPONENT_NAME_PROTOCOL *This, IN EFI_HANDLE ControllerHandle, IN EFI_HANDLE ChildHandle OPTIONAL, IN CHAR8 *Language, OUT CHAR16 **ControllerName ); /** Reset SCSI Disk. @param This The pointer of EFI_BLOCK_IO_PROTOCOL @param ExtendedVerification The flag about if extend verificate @retval EFI_SUCCESS The device was reset. @retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset. @return EFI_STATUS is retured from EFI_SCSI_IO_PROTOCOL.ResetDevice(). **/ EFI_STATUS EFIAPI ScsiDiskReset ( IN EFI_BLOCK_IO_PROTOCOL *This, IN BOOLEAN ExtendedVerification ); /** The function is to Read Block from SCSI Disk. @param This The pointer of EFI_BLOCK_IO_PROTOCOL. @param MediaId The Id of Media detected @param Lba The logic block address @param BufferSize The size of Buffer @param Buffer The buffer to fill the read out data @retval EFI_SUCCESS Successfully to read out block. @retval EFI_DEVICE_ERROR Fail to detect media. @retval EFI_NO_MEDIA Media is not present. @retval EFI_MEDIA_CHANGED Media has changed. @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device. @retval EFI_INVALID_PARAMETER Invalid parameter passed in. **/ EFI_STATUS EFIAPI ScsiDiskReadBlocks ( IN EFI_BLOCK_IO_PROTOCOL *This, IN UINT32 MediaId, IN EFI_LBA Lba, IN UINTN BufferSize, OUT VOID *Buffer ); /** The function is to Write Block to SCSI Disk. @param This The pointer of EFI_BLOCK_IO_PROTOCOL @param MediaId The Id of Media detected @param Lba The logic block address @param BufferSize The size of Buffer @param Buffer The buffer to fill the read out data @retval EFI_SUCCESS Successfully to read out block. @retval EFI_WRITE_PROTECTED The device can not be written to. @retval EFI_DEVICE_ERROR Fail to detect media. @retval EFI_NO_MEDIA Media is not present. @retval EFI_MEDIA_CHNAGED Media has changed. @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device. @retval EFI_INVALID_PARAMETER Invalid parameter passed in. **/ EFI_STATUS EFIAPI ScsiDiskWriteBlocks ( IN EFI_BLOCK_IO_PROTOCOL *This, IN UINT32 MediaId, IN EFI_LBA Lba, IN UINTN BufferSize, IN VOID *Buffer ); /** Flush Block to Disk. EFI_SUCCESS is returned directly. @param This The pointer of EFI_BLOCK_IO_PROTOCOL @retval EFI_SUCCESS All outstanding data was written to the device **/ EFI_STATUS EFIAPI ScsiDiskFlushBlocks ( IN EFI_BLOCK_IO_PROTOCOL *This ); /** Reset SCSI Disk. @param This The pointer of EFI_BLOCK_IO2_PROTOCOL. @param ExtendedVerification The flag about if extend verificate. @retval EFI_SUCCESS The device was reset. @retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset. @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice(). **/ EFI_STATUS EFIAPI ScsiDiskResetEx ( IN EFI_BLOCK_IO2_PROTOCOL *This, IN BOOLEAN ExtendedVerification ); /** The function is to Read Block from SCSI Disk. @param This The pointer of EFI_BLOCK_IO_PROTOCOL. @param MediaId The Id of Media detected. @param Lba The logic block address. @param Token A pointer to the token associated with the transaction. @param BufferSize The size of Buffer. @param Buffer The buffer to fill the read out data. @retval EFI_SUCCESS The read request was queued if Token-> Event is not NULL. The data was read correctly from the device if theToken-> Event is NULL. @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation. @retval EFI_NO_MEDIA There is no media in the device. @retval EFI_MEDIA_CHANGED The MediaId is not for the current media. @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device. @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid, or the buffer is not on proper alignment. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. **/ EFI_STATUS EFIAPI ScsiDiskReadBlocksEx ( IN EFI_BLOCK_IO2_PROTOCOL *This, IN UINT32 MediaId, IN EFI_LBA Lba, IN OUT EFI_BLOCK_IO2_TOKEN *Token, IN UINTN BufferSize, OUT VOID *Buffer ); /** The function is to Write Block to SCSI Disk. @param This The pointer of EFI_BLOCK_IO_PROTOCOL. @param MediaId The Id of Media detected. @param Lba The logic block address. @param Token A pointer to the token associated with the transaction. @param BufferSize The size of Buffer. @param Buffer The buffer to fill the read out data. @retval EFI_SUCCESS The data were written correctly to the device. @retval EFI_WRITE_PROTECTED The device cannot be written to. @retval EFI_NO_MEDIA There is no media in the device. @retval EFI_MEDIA_CHANGED The MediaId is not for the current media. @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation. @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device. @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid, or the buffer is not on proper alignment. **/ EFI_STATUS EFIAPI ScsiDiskWriteBlocksEx ( IN EFI_BLOCK_IO2_PROTOCOL *This, IN UINT32 MediaId, IN EFI_LBA Lba, IN OUT EFI_BLOCK_IO2_TOKEN *Token, IN UINTN BufferSize, IN VOID *Buffer ); /** Flush the Block Device. @param This Indicates a pointer to the calling context. @param Token A pointer to the token associated with the transaction. @retval EFI_SUCCESS All outstanding data was written to the device. @retval EFI_DEVICE_ERROR The device reported an error while attempting to write data. @retval EFI_WRITE_PROTECTED The device cannot be written to. @retval EFI_NO_MEDIA There is no media in the device. @retval EFI_MEDIA_CHANGED The MediaId is not for the current media. **/ EFI_STATUS EFIAPI ScsiDiskFlushBlocksEx ( IN EFI_BLOCK_IO2_PROTOCOL *This, IN OUT EFI_BLOCK_IO2_TOKEN *Token ); /** Erase a specified number of device blocks. @param[in] This Indicates a pointer to the calling context. @param[in] MediaId The media ID that the erase request is for. @param[in] Lba The starting logical block address to be erased. The caller is responsible for erasing only legitimate locations. @param[in, out] Token A pointer to the token associated with the transaction. @param[in] Size The size in bytes to be erased. This must be a multiple of the physical block size of the device. @retval EFI_SUCCESS The erase request was queued if Event is not NULL. The data was erased correctly to the device if the Event is NULL.to the device. @retval EFI_WRITE_PROTECTED The device cannot be erased due to write protection. @retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the erase operation. @retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not valid. @retval EFI_NO_MEDIA There is no media in the device. @retval EFI_MEDIA_CHANGED The MediaId is not for the current media. **/ EFI_STATUS EFIAPI ScsiDiskEraseBlocks ( IN EFI_ERASE_BLOCK_PROTOCOL *This, IN UINT32 MediaId, IN EFI_LBA Lba, IN OUT EFI_ERASE_BLOCK_TOKEN *Token, IN UINTN Size ); /** Provides inquiry information for the controller type. This function is used by the IDE bus driver to get inquiry data. Data format of Identify data is defined by the Interface GUID. @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. @param[in, out] InquiryData Pointer to a buffer for the inquiry data. @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size. @retval EFI_SUCCESS The command was accepted without any errors. @retval EFI_NOT_FOUND Device does not support this data class @retval EFI_DEVICE_ERROR Error reading InquiryData from device @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough **/ EFI_STATUS EFIAPI ScsiDiskInfoInquiry ( IN EFI_DISK_INFO_PROTOCOL *This, IN OUT VOID *InquiryData, IN OUT UINT32 *InquiryDataSize ); /** Provides identify information for the controller type. This function is used by the IDE bus driver to get identify data. Data format of Identify data is defined by the Interface GUID. @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. @param[in, out] IdentifyData Pointer to a buffer for the identify data. @param[in, out] IdentifyDataSize Pointer to the value for the identify data size. @retval EFI_SUCCESS The command was accepted without any errors. @retval EFI_NOT_FOUND Device does not support this data class @retval EFI_DEVICE_ERROR Error reading IdentifyData from device @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough **/ EFI_STATUS EFIAPI ScsiDiskInfoIdentify ( IN EFI_DISK_INFO_PROTOCOL *This, IN OUT VOID *IdentifyData, IN OUT UINT32 *IdentifyDataSize ); /** Provides sense data information for the controller type. This function is used by the IDE bus driver to get sense data. Data format of Sense data is defined by the Interface GUID. @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. @param[in, out] SenseData Pointer to the SenseData. @param[in, out] SenseDataSize Size of SenseData in bytes. @param[out] SenseDataNumber Pointer to the value for the sense data size. @retval EFI_SUCCESS The command was accepted without any errors. @retval EFI_NOT_FOUND Device does not support this data class. @retval EFI_DEVICE_ERROR Error reading SenseData from device. @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough. **/ EFI_STATUS EFIAPI ScsiDiskInfoSenseData ( IN EFI_DISK_INFO_PROTOCOL *This, IN OUT VOID *SenseData, IN OUT UINT32 *SenseDataSize, OUT UINT8 *SenseDataNumber ); /** This function is used by the IDE bus driver to get controller information. @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary. @param[out] IdeDevice Pointer to the Ide Device number. Master or slave. @retval EFI_SUCCESS IdeChannel and IdeDevice are valid. @retval EFI_UNSUPPORTED This is not an IDE device. **/ EFI_STATUS EFIAPI ScsiDiskInfoWhichIde ( IN EFI_DISK_INFO_PROTOCOL *This, OUT UINT32 *IdeChannel, OUT UINT32 *IdeDevice ); /** Detect Device and read out capacity ,if error occurs, parse the sense key. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param MustReadCapacity The flag about reading device capacity @param MediaChange The pointer of flag indicates if media has changed @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to detect media **/ EFI_STATUS ScsiDiskDetectMedia ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN BOOLEAN MustReadCapacity, OUT BOOLEAN *MediaChange ); /** To test device. When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense; When Test Unit Ready command encounters any error caused by host adapter or target, return error without retrieving Sense Keys. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param NeedRetry The pointer of flag indicates try again @param SenseDataArray The pointer of an array of sense data @param NumberOfSenseKeys The pointer of the number of sense data array @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to test unit **/ EFI_STATUS ScsiDiskTestUnitReady ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OUT UINTN *NumberOfSenseKeys ); /** Parsing Sense Keys which got from request sense command. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param SenseData The pointer of EFI_SCSI_SENSE_DATA @param NumberOfSenseKeys The number of sense key @param Action The pointer of action which indicates what is need to do next @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to complete the parsing **/ EFI_STATUS DetectMediaParsingSenseKeys ( OUT SCSI_DISK_DEV *ScsiDiskDevice, IN EFI_SCSI_SENSE_DATA *SenseData, IN UINTN NumberOfSenseKeys, OUT UINTN *Action ); /** Send read capacity command to device and get the device parameter. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param NeedRetry The pointer of flag indicates if need a retry @param SenseDataArray The pointer of an array of sense data @param NumberOfSenseKeys The number of sense key @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to read capacity **/ EFI_STATUS ScsiDiskReadCapacity ( IN OUT SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OUT UINTN *NumberOfSenseKeys ); /** Check the HostAdapter status and re-interpret it in EFI_STATUS. @param HostAdapterStatus Host Adapter status @retval EFI_SUCCESS Host adapter is OK. @retval EFI_TIMEOUT Timeout. @retval EFI_NOT_READY Adapter NOT ready. @retval EFI_DEVICE_ERROR Adapter device error. **/ EFI_STATUS CheckHostAdapterStatus ( IN UINT8 HostAdapterStatus ); /** Check the target status and re-interpret it in EFI_STATUS. @param TargetStatus Target status @retval EFI_NOT_READY Device is NOT ready. @retval EFI_DEVICE_ERROR @retval EFI_SUCCESS **/ EFI_STATUS CheckTargetStatus ( IN UINT8 TargetStatus ); /** Retrieve all sense keys from the device. When encountering error during the process, if retrieve sense keys before error encountered, it returns the sense keys with return status set to EFI_SUCCESS, and NeedRetry set to FALSE; otherwize, return the proper return status. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param NeedRetry The pointer of flag indicates if need a retry @param SenseDataArray The pointer of an array of sense data @param NumberOfSenseKeys The number of sense key @param AskResetIfError The flag indicates if need reset when error occurs @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to request sense key **/ EFI_STATUS ScsiDiskRequestSenseKeys ( IN OUT SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OUT UINTN *NumberOfSenseKeys, IN BOOLEAN AskResetIfError ); /** Send out Inquiry command to Device. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV @param NeedRetry Indicates if needs try again when error happens @retval EFI_DEVICE_ERROR Indicates that error occurs @retval EFI_SUCCESS Successfully to detect media **/ EFI_STATUS 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 pointer 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 pointer 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 ); /** Asynchronously read sector from SCSI Disk. @param ScsiDiskDevice The pointer 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. @param Token A pointer to the token associated with the non-blocking read request. @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL. @retval EFI_DEVICE_ERROR Indicates a device error. @retval EFI_SUCCESS Operation is successful. **/ EFI_STATUS ScsiDiskAsyncReadSectors ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT VOID *Buffer, IN EFI_LBA Lba, IN UINTN NumberOfBlocks, IN EFI_BLOCK_IO2_TOKEN *Token ); /** Asynchronously write sector to SCSI Disk. @param ScsiDiskDevice The pointer 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. @param Token A pointer to the token associated with the non-blocking read request. @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL @retval EFI_DEVICE_ERROR Indicates a device error. @retval EFI_SUCCESS Operation is successful. **/ EFI_STATUS ScsiDiskAsyncWriteSectors ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN VOID *Buffer, IN EFI_LBA Lba, IN UINTN NumberOfBlocks, IN EFI_BLOCK_IO2_TOKEN *Token ); /** Submit Read(10) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice @param NeedRetry The pointer of flag indicates if needs retry if error happens @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 SectorCount The number of blocks to read @return EFI_STATUS is returned by calling ScsiRead10Command(). **/ EFI_STATUS ScsiDiskRead10 ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, IN UINT64 Timeout, OUT UINT8 *DataBuffer, IN OUT UINT32 *DataLength, IN UINT32 StartLba, IN UINT32 SectorCount ); /** Submit Write(10) Command. @param ScsiDiskDevice The pointer of ScsiDiskDevice @param NeedRetry The pointer of flag indicates if needs retry if error happens @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 SectorCount The number of blocks to write @return EFI_STATUS is returned by calling ScsiWrite10Command(). **/ EFI_STATUS ScsiDiskWrite10 ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, IN UINT64 Timeout, IN UINT8 *DataBuffer, IN OUT UINT32 *DataLength, IN UINT32 StartLba, IN UINT32 SectorCount ); /** Submit Read(16) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice @param NeedRetry The pointer of flag indicates if needs retry if error happens @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 SectorCount The number of blocks to read @return EFI_STATUS is returned by calling ScsiRead16Command(). **/ EFI_STATUS ScsiDiskRead16 ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, IN UINT64 Timeout, OUT UINT8 *DataBuffer, IN OUT UINT32 *DataLength, IN UINT64 StartLba, IN UINT32 SectorCount ); /** Submit Write(16) Command. @param ScsiDiskDevice The pointer of ScsiDiskDevice @param NeedRetry The pointer of flag indicates if needs retry if error happens @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 SectorCount The number of blocks to write @return EFI_STATUS is returned by calling ScsiWrite16Command(). **/ EFI_STATUS ScsiDiskWrite16 ( IN SCSI_DISK_DEV *ScsiDiskDevice, OUT BOOLEAN *NeedRetry, IN UINT64 Timeout, IN UINT8 *DataBuffer, IN OUT UINT32 *DataLength, IN UINT64 StartLba, IN UINT32 SectorCount ); /** Submit Async Read(10) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice. @param Timeout The time to complete the command. @param TimesRetry The number of times the command has been retried. @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 SectorCount The number of blocks to read. @param BlkIo2Req The upstream BlockIo2 request. @param Token The pointer to the token associated with the non-blocking read request. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @return others Status returned by calling ScsiRead10CommandEx(). **/ EFI_STATUS ScsiDiskAsyncRead10 ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN UINT64 Timeout, IN UINT8 TimesRetry, OUT UINT8 *DataBuffer, IN UINT32 DataLength, IN UINT32 StartLba, IN UINT32 SectorCount, IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req, IN EFI_BLOCK_IO2_TOKEN *Token ); /** Submit Async Write(10) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice. @param Timeout The time to complete the command. @param TimesRetry The number of times the command has been retried. @param DataBuffer The buffer contains the data to write. @param DataLength The length of buffer. @param StartLba The start logic block address. @param SectorCount The number of blocks to write. @param BlkIo2Req The upstream BlockIo2 request. @param Token The pointer to the token associated with the non-blocking read request. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @return others Status returned by calling ScsiWrite10CommandEx(). **/ EFI_STATUS ScsiDiskAsyncWrite10 ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN UINT64 Timeout, IN UINT8 TimesRetry, IN UINT8 *DataBuffer, IN UINT32 DataLength, IN UINT32 StartLba, IN UINT32 SectorCount, IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req, IN EFI_BLOCK_IO2_TOKEN *Token ); /** Submit Async Read(16) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice. @param Timeout The time to complete the command. @param TimesRetry The number of times the command has been retried. @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 SectorCount The number of blocks to read. @param BlkIo2Req The upstream BlockIo2 request. @param Token The pointer to the token associated with the non-blocking read request. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @return others Status returned by calling ScsiRead16CommandEx(). **/ EFI_STATUS ScsiDiskAsyncRead16 ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN UINT64 Timeout, IN UINT8 TimesRetry, OUT UINT8 *DataBuffer, IN UINT32 DataLength, IN UINT64 StartLba, IN UINT32 SectorCount, IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req, IN EFI_BLOCK_IO2_TOKEN *Token ); /** Submit Async Write(16) command. @param ScsiDiskDevice The pointer of ScsiDiskDevice. @param Timeout The time to complete the command. @param TimesRetry The number of times the command has been retried. @param DataBuffer The buffer contains the data to write. @param DataLength The length of buffer. @param StartLba The start logic block address. @param SectorCount The number of blocks to write. @param BlkIo2Req The upstream BlockIo2 request. @param Token The pointer to the token associated with the non-blocking read request. @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. @return others Status returned by calling ScsiWrite16CommandEx(). **/ EFI_STATUS ScsiDiskAsyncWrite16 ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN UINT64 Timeout, IN UINT8 TimesRetry, IN UINT8 *DataBuffer, IN UINT32 DataLength, IN UINT64 StartLba, IN UINT32 SectorCount, IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req, IN EFI_BLOCK_IO2_TOKEN *Token ); /** 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 ( IN OUT SCSI_DISK_DEV *ScsiDiskDevice, IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10, IN 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 ); /** Determine if Block Io should be produced. @param ChildHandle Child Handle to retrieve Parent information. @retval TRUE Should produce Block Io. @retval FALSE Should not produce Block Io. **/ BOOLEAN DetermineInstallBlockIo ( IN EFI_HANDLE ChildHandle ); /** Initialize the installation of DiskInfo protocol. This function prepares for the installation of DiskInfo protocol on the child handle. By default, it installs DiskInfo protocol with SCSI interface GUID. If it further detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID to be IDE/AHCI interface GUID. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV. @param ChildHandle Child handle to install DiskInfo protocol. **/ VOID InitializeInstallDiskInfo ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN EFI_HANDLE ChildHandle ); /** Search protocol database and check to see if the protocol specified by ProtocolGuid is present on a ControllerHandle and opened by ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. If the ControllerHandle is found, then the protocol specified by ProtocolGuid will be opened on it. @param ProtocolGuid ProtocolGuid pointer. @param ChildHandle Child Handle to retrieve Parent information. **/ VOID * EFIAPI GetParentProtocol ( IN EFI_GUID *ProtocolGuid, IN EFI_HANDLE ChildHandle ); /** Determine if EFI Erase Block Protocol should be produced. @param ScsiDiskDevice The pointer of SCSI_DISK_DEV. @param ChildHandle Handle of device. @retval TRUE Should produce EFI Erase Block Protocol. @retval FALSE Should not produce EFI Erase Block Protocol. **/ BOOLEAN DetermineInstallEraseBlock ( IN SCSI_DISK_DEV *ScsiDiskDevice, IN EFI_HANDLE ChildHandle ); #endif