| /** @file | |
| EFI_SCSI_IO_PROTOCOL as defined in UEFI 2.0. | |
| Copyright (c) 2006, Intel Corporation | |
| All rights reserved. This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| Module Name: ScsiIoExt.h | |
| **/ | |
| #ifndef __EFI_SCSI_IO_PROTOCOL_H__ | |
| #define __EFI_SCSI_IO_PROTOCOL_H__ | |
| #define EFI_SCSI_IO_PROTOCOL_GUID \ | |
| { \ | |
| 0x932f4736, 0x2362, 0x4002, {0x80, 0x3e, 0x3c, 0xd5, 0x4b, 0x13, 0x8f, 0x85 } \ | |
| } | |
| // | |
| // Forward reference for pure ANSI compatability | |
| // | |
| typedef struct _EFI_SCSI_IO_PROTOCOL EFI_SCSI_IO_PROTOCOL; | |
| // | |
| // SCSI Data Direction definition | |
| // | |
| #define EFI_SCSI_IO_DATA_DIRECTION_READ 0 | |
| #define EFI_SCSI_IO_DATA_DIRECTION_WRITE 1 | |
| #define EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL 2 | |
| // | |
| // SCSI Host Adapter Status definition | |
| // | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK 0x00 | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND 0x09 // timeout when processing the command | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT 0x0b // timeout when waiting for the command processing | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_MESSAGE_REJECT 0x0d // a message reject was received when processing command | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_RESET 0x0e // a bus reset was detected | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_PARITY_ERROR 0x0f | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED 0x10 // the adapter failed in issuing request sense command | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT 0x11 // selection timeout | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN 0x12 // data overrun or data underrun | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_FREE 0x13 // Unexepected bus free | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_PHASE_ERROR 0x14 // Target bus phase sequence failure | |
| #define EFI_SCSI_IO_STATUS_HOST_ADAPTER_OTHER 0x7f | |
| // | |
| // SCSI Target Status definition | |
| // | |
| #define EFI_SCSI_IO_STATUS_TARGET_GOOD 0x00 | |
| #define EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION 0x02 // check condition | |
| #define EFI_SCSI_IO_STATUS_TARGET_CONDITION_MET 0x04 // condition met | |
| #define EFI_SCSI_IO_STATUS_TARGET_BUSY 0x08 // busy | |
| #define EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE 0x10 // intermediate | |
| #define EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE_CONDITION_MET 0x14 // intermediate-condition met | |
| #define EFI_SCSI_IO_STATUS_TARGET_RESERVATION_CONFLICT 0x18 // reservation conflict | |
| #define EFI_SCSI_IO_STATUS_TARGET_COMMOND_TERMINATED 0x22 // command terminated | |
| #define EFI_SCSI_IO_STATUS_TARGET_QUEUE_FULL 0x28 // queue full | |
| typedef struct { | |
| UINT64 Timeout; | |
| VOID *InDataBuffer; | |
| VOID *OutDataBuffer; | |
| VOID *SenseData; | |
| VOID *Cdb; | |
| UINT32 InTransferLength; | |
| UINT32 OutTransferLength; | |
| UINT8 CdbLength; | |
| UINT8 DataDirection; | |
| UINT8 HostAdapterStatus; | |
| UINT8 TargetStatus; | |
| UINT8 SenseDataLength; | |
| } EFI_SCSI_IO_SCSI_REQUEST_PACKET; | |
| /** | |
| Retrieves the device type information of the SCSI Controller. | |
| @param This Protocol instance pointer. | |
| @param DeviceType A pointer to the device type information | |
| retrieved from the SCSI Controller. | |
| @retval EFI_SUCCESS Retrieves the device type information successfully. | |
| @retval EFI_INVALID_PARAMETER The DeviceType is NULL. | |
| **/ | |
| typedef | |
| EFI_STATUS | |
| (EFIAPI *EFI_SCSI_IO_PROTOCOL_GET_DEVICE_TYPE) ( | |
| IN EFI_SCSI_IO_PROTOCOL *This, | |
| OUT UINT8 *DeviceType | |
| ) | |
| ; | |
| /** | |
| Retrieves the device location in the SCSI channel. | |
| @param This Protocol instance pointer. | |
| @param Target A pointer to the Target ID of a SCSI device | |
| on the SCSI channel. | |
| @param Lun A pointer to the LUN of the SCSI device on | |
| the SCSI channel. | |
| @retval EFI_SUCCESS Retrieves the device location successfully. | |
| @retval EFI_INVALID_PARAMETER The Target or Lun is NULL. | |
| **/ | |
| typedef | |
| EFI_STATUS | |
| (EFIAPI *EFI_SCSI_IO_PROTOCOL_GET_DEVICE_LOCATION) ( | |
| IN EFI_SCSI_IO_PROTOCOL *This, | |
| IN OUT UINT8 **Target, | |
| OUT UINT64 *Lun | |
| ) | |
| ; | |
| /** | |
| Resets the SCSI Bus that the SCSI Controller is attached to. | |
| @param This Protocol instance pointer. | |
| @retval EFI_SUCCESS The SCSI bus is reset successfully. | |
| @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus. | |
| @retval EFI_UNSUPPORTED The bus reset operation is not supported by the | |
| SCSI Host Controller. | |
| @retval EFI_TIMEOUT A timeout occurred while attempting to reset | |
| the SCSI bus. | |
| **/ | |
| typedef | |
| EFI_STATUS | |
| (EFIAPI *EFI_SCSI_IO_PROTOCOL_RESET_BUS) ( | |
| IN EFI_SCSI_IO_PROTOCOL *This | |
| ) | |
| ; | |
| /** | |
| Resets the SCSI Controller that the device handle specifies. | |
| @param This Protocol instance pointer. | |
| @retval EFI_SUCCESS Reset the SCSI controller successfully. | |
| @retval EFI_DEVICE_ERROR Errors are encountered when resetting the | |
| SCSI Controller. | |
| @retval EFI_UNSUPPORTED The SCSI bus does not support a device | |
| reset operation. | |
| @retval EFI_TIMEOUT A timeout occurred while attempting to | |
| reset the SCSI Controller. | |
| **/ | |
| typedef | |
| EFI_STATUS | |
| (EFIAPI *EFI_SCSI_IO_PROTOCOL_RESET_DEVICE) ( | |
| IN EFI_SCSI_IO_PROTOCOL *This | |
| ) | |
| ; | |
| /** | |
| Sends a SCSI Request Packet to the SCSI Controller for execution. | |
| @param This Protocol instance pointer. | |
| @param Packet The SCSI request packet to send to the SCSI | |
| Controller specified by the device handle. | |
| @param Event If the SCSI bus where the SCSI device is attached | |
| does not support non-blocking I/O, 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 SCSI Request | |
| Packet completes. | |
| @retval EFI_SUCCESS The SCSI Request Packet was sent by the host | |
| successfully, and TransferLength bytes were | |
| transferred to/from DataBuffer.See | |
| HostAdapterStatus, TargetStatus, | |
| SenseDataLength, and SenseData in that order | |
| for additional status information. | |
| @retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, | |
| but the entire DataBuffer could not be transferred. | |
| The actual number of bytes transferred is returned | |
| in TransferLength. See HostAdapterStatus, | |
| TargetStatus, SenseDataLength, and SenseData in | |
| that order for additional status information. | |
| @retval EFI_NOT_READY The SCSI Request Packet could not be sent because | |
| there are too many SCSI Command 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. See HostAdapterStatus, | |
| TargetStatus, SenseDataLength, and SenseData in | |
| that order for additional status information. | |
| @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. | |
| The SCSI Request Packet was not sent, so no | |
| additional status information is available. | |
| @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet | |
| is not supported by the SCSI initiator(i.e., SCSI | |
| Host Controller). 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. See HostAdapterStatus, | |
| TargetStatus, SenseDataLength, and SenseData in | |
| that order for additional status information. | |
| **/ | |
| typedef | |
| EFI_STATUS | |
| (EFIAPI *EFI_SCSI_IO_PROTOCOL_EXEC_SCSI_COMMAND) ( | |
| IN EFI_SCSI_IO_PROTOCOL *This, | |
| IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet, | |
| IN EFI_EVENT Event OPTIONAL | |
| ) | |
| ; | |
| struct _EFI_SCSI_IO_PROTOCOL { | |
| EFI_SCSI_IO_PROTOCOL_GET_DEVICE_TYPE GetDeviceType; | |
| EFI_SCSI_IO_PROTOCOL_GET_DEVICE_LOCATION GetDeviceLocation; | |
| EFI_SCSI_IO_PROTOCOL_RESET_BUS ResetBus; | |
| EFI_SCSI_IO_PROTOCOL_RESET_DEVICE ResetDevice; | |
| EFI_SCSI_IO_PROTOCOL_EXEC_SCSI_COMMAND ExecuteSCSICommand; | |
| UINT32 IoAlign; | |
| }; | |
| extern EFI_GUID gEfiScsiIoProtocolGuid; | |
| #endif |