SCSI I/O Protocol in the UEFI Specification\r
for details on the possible return values.\r
@param[out] TargetStatus The status returned by the SCSI target specified\r
- by ScsiIo when the SCSI Request Packat was\r
+ by ScsiIo when the SCSI Request Packet was\r
executed on the SCSI Host Controller.\r
See the EFI SCSI I/O Protocol in the UEFI\r
Specification for details on the possible\r
UEFI Specification for details on the possible\r
return values.\r
@param[out] TargetStatus The status returned by the SCSI target specified\r
- by ScsiIo when the SCSI Request Packat was executed\r
+ by ScsiIo when the SCSI Request Packet was executed\r
on the SCSI Host Controller. See the EFI SCSI\r
I/O Protocol in the UEFI Specification for details\r
on the possible return values.\r
Executes the SCSI Read Capacity command on the SCSI target specified by ScsiIo.\r
If Timeout is zero, then this function waits indefinitely for the command to complete.\r
If Timeout is greater than zero, then the command is executed and will timeout after\r
- Timeout 100 ns units. The PMI parameter is used to construct the CDB for this SCSI command.\r
+ Timeout 100 ns units. The Pmi parameter is used to construct the CDB for this SCSI command.\r
If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
If HostAdapterStatus is NULL, then ASSERT().\r
@param[out] TargetStatus The status of the target.\r
@param[in, out] DataBuffer A pointer to a data buffer.\r
@param[in, out] DataLength The length of data buffer.\r
- @param[in] PMI Partial medium indicator.\r
+ @param[in] Pmi Partial medium indicator.\r
\r
@retval EFI_SUCCESS Command is executed successfully.\r
@retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire\r
OUT UINT8 *TargetStatus,\r
IN OUT VOID *DataBuffer, OPTIONAL\r
IN OUT UINT32 *DataLength,\r
- IN BOOLEAN PMI\r
+ IN BOOLEAN Pmi\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
\r
Cdb[0] = EFI_SCSI_OP_READ_CAPACITY;\r
Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
- if (!PMI) {\r
+ if (!Pmi) {\r
//\r
- // Partial medium indicator,if PMI is FALSE, the Cdb.2 ~ Cdb.5 MUST BE ZERO.\r
+ // Partial medium indicator,if Pmi is FALSE, the Cdb.2 ~ Cdb.5 MUST BE ZERO.\r
//\r
ZeroMem ((Cdb + 2), 4);\r
} else {\r
}\r
\r
\r
+/**\r
+ Function to submit read capacity16 command.\r
+\r
+ @param ScsiIo A pointer to SCSI IO protocol.\r
+ @param Timeout The length of timeout period.\r
+ @param SenseData A pointer to output sense data.\r
+ @param SenseDataLength The length of output sense data.\r
+ @param HostAdapterStatus The status of Host Adapter.\r
+ @param TargetStatus The status of the target.\r
+ @param DataBuffer A pointer to a data buffer.\r
+ @param DataLength The length of data buffer.\r
+ @param Pmi Partial medium indicator.\r
+\r
+ @retval EFI_SUCCESS The status of the unit is tested successfully.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r
+ but the entire DataBuffer could not be transferred.\r
+ The actual number of bytes transferred is returned\r
+ in TransferLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r
+ there are too many SCSI Command Packets already \r
+ queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r
+ the SCSI Request Packet.\r
+ @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r
+ is not supported by the SCSI initiator(i.e., SCSI \r
+ Host Controller).\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r
+ Request Packet to execute.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiReadCapacity16Command (\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN VOID *SenseData,\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ OUT VOID *DataBuffer,\r
+ IN OUT UINT32 *DataLength,\r
+ IN BOOLEAN Pmi\r
+ )\r
+{\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
+ UINT64 Lun;\r
+ UINT8 *Target;\r
+ UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
+ EFI_STATUS Status;\r
+ UINT8 Cdb[16];\r
+\r
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
+ ZeroMem (Cdb, 16);\r
+\r
+ CommandPacket.Timeout = Timeout;\r
+ CommandPacket.InDataBuffer = DataBuffer;\r
+ CommandPacket.SenseData = SenseData;\r
+ CommandPacket.InTransferLength= *DataLength;\r
+ CommandPacket.Cdb = Cdb;\r
+ //\r
+ // Fill Cdb for Read Capacity Command\r
+ //\r
+ Target = &TargetArray[0];\r
+ ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
+\r
+ Cdb[0] = EFI_SCSI_OP_READ_CAPACITY16;\r
+ Cdb[1] = 0x10;\r
+ if (!Pmi) {\r
+ //\r
+ // Partial medium indicator,if Pmi is FALSE, the Cdb.2 ~ Cdb.9 MUST BE ZERO.\r
+ //\r
+ ZeroMem ((Cdb + 2), 8);\r
+ } else {\r
+ Cdb[14] |= 0x01;\r
+ }\r
+\r
+ Cdb[13] = 0x20;\r
+ CommandPacket.CdbLength = 16;\r
+ CommandPacket.DataDirection = EFI_SCSI_DATA_IN;\r
+ CommandPacket.SenseDataLength = *SenseDataLength;\r
+\r
+ Status = ScsiIo->ExecuteScsiCommand (ScsiIo, &CommandPacket, NULL);\r
+\r
+ *HostAdapterStatus = CommandPacket.HostAdapterStatus;\r
+ *TargetStatus = CommandPacket.TargetStatus;\r
+ *SenseDataLength = CommandPacket.SenseDataLength;\r
+ *DataLength = CommandPacket.InTransferLength;\r
+\r
+ return Status;\r
+}\r
+\r
+\r
/**\r
Execute Read(10) SCSI command on a specific SCSI target.\r
\r
projects / mirror_edk2.git / blobdiff