/** @file\r
UEFI SCSI Library implementation\r
\r
- Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
+ Copyright (c) 2006 - 2008, Intel Corporation.<BR>\r
All rights reserved. This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
\r
#include <Uefi.h>\r
#include <Library/DebugLib.h>\r
-#include <Library/ScsiLib.h>\r
+#include <Library/UefiScsiLib.h>\r
#include <Library/BaseMemoryLib.h>\r
-\r
+ \r
#include <IndustryStandard/Scsi.h>\r
-\r
-//\r
-// bit5..7 are for Logical unit number\r
-// 11100000b (0xe0)\r
-//\r
+ \r
+ \r
+ //\r
+ // Max bytes needed to represent ID of a SCSI device\r
+ //\r
+#define EFI_SCSI_TARGET_MAX_BYTES (0x10)\r
+ \r
+ //\r
+ // bit5..7 are for Logical unit number\r
+ // 11100000b (0xe0)\r
+ //\r
#define EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK 0xe0\r
-\r
-//\r
-// Scsi Command Length six or ten\r
-//\r
+ \r
+ //\r
+ // Scsi Command Length six or ten\r
+ //\r
#define EFI_SCSI_OP_LENGTH_SIX 0x6\r
#define EFI_SCSI_OP_LENGTH_TEN 0xa\r
\r
-/**\r
- Function test the ready status of the SCSI unit.\r
\r
- Submit SCSI test unit ready command with SCSI request packet specified by this scsi command, TimeOut\r
- and SenseData, then get the status of the target Scsi unit.\r
\r
- If SenseDataLength is NULL, then ASSERT().\r
+/**\r
+ Execute Test Unit Ready SCSI command on a specific SCSI target.\r
\r
+ Executes the Test Unit Ready 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 Timeout 100 ns units.\r
+ If ScsiIo is NULL, then ASSERT().\r
+ If SenseDataLength is NULL, then ASSERT().\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo A pointer to SCSI IO protocol.\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
- @param[out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\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 InTransferLength.\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 ScsiIo is NULL.\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
+ @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance\r
+ for the specific SCSI target.\r
+ @param[in] Timeout The timeout in 100 ns units to use for the execution\r
+ of this SCSI Request Packet. A Timeout value of\r
+ zero means that this function will wait indefinitely\r
+ for the SCSI Request Packet to execute. If Timeout\r
+ is greater than zero, then this function will return\r
+ EFI_TIMEOUT if the time required to execute the SCSI\r
+ Request Packet is greater than Timeout.\r
+ @param[in, out] SenseData A pointer to sense data that was generated by\r
+ the execution of the SCSI Request Packet. This\r
+ buffer must be allocated by the caller.\r
+ If SenseDataLength is 0, then this parameter is\r
+ optional and may be NULL.\r
+ @param[in, out] SenseDataLength On input, a pointer to the length in bytes of\r
+ the SenseData buffer. On output, a pointer to\r
+ the number of bytes written to the SenseData buffer. \r
+ @param[out] HostAdapterStatus The status of the SCSI Host Controller that produces\r
+ the SCSI bus containing the SCSI target specified by\r
+ ScsiIo when the SCSI Request Packet was executed.\r
+ See the EFI 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 Packet was executed\r
+ on the SCSI Host Controller. See the EFI SCSI I/O\r
+ Protocol in the UEFI Specification for details on\r
+ the possible return values. \r
+\r
+ @retval EFI_SUCCESS The command was executed successfully.\r
+ See HostAdapterStatus, TargetStatus, SenseDataLength,\r
+ and SenseData in that order for additional status\r
+ information.\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. The SCSI Request Packet was not sent, so\r
+ no additional status information is available.\r
+ The caller may retry again later.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send\r
+ SCSI Request Packet. See HostAdapterStatus,\r
+ TargetStatus, SenseDataLength, and SenseData in that\r
+ order for additional status information.\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). The SCSI Request Packet was not\r
+ sent, so no additional status information is available.\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request\r
+ Packet to execute. See HostAdapterStatus, TargetStatus,\r
+ SenseDataLength, and SenseData in that order for\r
+ additional status information.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiTestUnitReadyCommand (\r
- IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
- IN UINT64 Timeout,\r
- IN VOID *SenseData,\r
- OUT UINT8 *SenseDataLength,\r
- OUT UINT8 *HostAdapterStatus,\r
- OUT UINT8 *TargetStatus\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (SenseDataLength != NULL);\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIX);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_TEST_UNIT_READY;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;\r
CommandPacket.SenseDataLength = *SenseDataLength;\r
\r
\r
\r
/**\r
- Function to submit SCSI inquiry command.\r
-\r
- Submit SCSI inquiry command with the SCSI request packet specified by this SCSI command and input\r
- parameters, then return the status of Scsi unit execution.\r
+ Execute Inquiry SCSI command on a specific SCSI target.\r
\r
+ Executes the Inquiry 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 Timeout 100 ns units.\r
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
-\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
-\r
If InquiryDataLength is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo SCSI IO Protocol to use\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
- @param[in, out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[in, out] InquirydataBuffer A pointer to inquiry data buffer.\r
- @param[in, out] InquiryDataLength The length of inquiry data buffer.\r
- @param[in] EnableVitalProductData Boolean to enable Vital Product Data.\r
-\r
- @retval EFI_SUCCESS Command is executed 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 ScsiIo is NULL.\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
+ @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance\r
+ for the specific SCSI target.\r
+ @param[in] Timeout The timeout in 100 ns units to use for the\r
+ execution of this SCSI Request Packet. A Timeout\r
+ value of zero means that this function will wait\r
+ indefinitely for the SCSI Request Packet to execute.\r
+ If Timeout is greater than zero, then this function\r
+ will return EFI_TIMEOUT if the time required to\r
+ execute the SCSI Request Packet is greater than Timeout.\r
+ @param[in, out] SenseData A pointer to sense data that was generated\r
+ by the execution of the SCSI Request Packet.\r
+ This buffer must be allocated by the caller.\r
+ If SenseDataLength is 0, then this parameter\r
+ is optional and may be NULL.\r
+ @param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer.\r
+ On output, the number of bytes written to the SenseData buffer. \r
+ @param[out] HostAdapterStatus The status of the SCSI Host Controller that\r
+ produces the SCSI bus containing the SCSI\r
+ target specified by ScsiIo when the SCSI\r
+ Request Packet was executed. See the EFI\r
+ 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 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
+ return values. \r
+ @param[in, out] InquiryDataBuffer A pointer to inquiry data that was generated\r
+ by the execution of the SCSI Request Packet.\r
+ This buffer must be allocated by the caller.\r
+ If InquiryDataLength is 0, then this parameter\r
+ is optional and may be NULL. \r
+ @param[in, out] InquiryDataLength On input, a pointer to the length in bytes\r
+ of the InquiryDataBuffer buffer.\r
+ On output, a pointer to the number of bytes\r
+ written to the InquiryDataBuffer buffer.\r
+ @param[in] EnableVitalProductData If TRUE, then the supported vital product\r
+ data is returned in InquiryDataBuffer.\r
+ If FALSE, then the standard inquiry data is\r
+ returned in InquiryDataBuffer. \r
+\r
+ @retval EFI_SUCCESS The command was executed successfully. See HostAdapterStatus,\r
+ TargetStatus, SenseDataLength, and SenseData in that order\r
+ for additional status information.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire\r
+ InquiryDataBuffer could not be transferred. The actual\r
+ number of bytes transferred is returned in InquiryDataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there\r
+ are too many SCSI Command Packets already queued.\r
+ The SCSI Request Packet was not sent, so no additional\r
+ status information is available. The caller may retry again later.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI\r
+ Request Packet. See HostAdapterStatus, TargetStatus,\r
+ SenseDataLength, and SenseData in that order for additional\r
+ status information.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not\r
+ supported by the SCSI initiator(i.e., SCSI Host Controller).\r
+ The SCSI Request Packet was not sent, so no additional\r
+ status information is available.\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request\r
+ Packet to execute. See HostAdapterStatus, TargetStatus,\r
+ SenseDataLength, and SenseData in that order for\r
+ additional status information.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiInquiryCommand (\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
- IN OUT VOID *InquiryDataBuffer,\r
- IN OUT UINT32 *InquiryDataLength,\r
- IN BOOLEAN EnableVitalProductData\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *InquiryDataBuffer, OPTIONAL\r
+ IN OUT UINT32 *InquiryDataLength,\r
+ IN BOOLEAN EnableVitalProductData\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
ASSERT (InquiryDataLength != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIX);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_INQUIRY;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
if (EnableVitalProductData) {\r
Cdb[1] |= 0x01;\r
}\r
\r
\r
/**\r
- Function to submit SCSI mode sense 10 command.\r
-\r
- Submit SCSI Mode Sense (10) command with the SCSI request packet specified by this SCSI command and\r
- the input parameters, then return the status of Scsi unit execution.\r
-\r
+ Execute Mode Sense(10) SCSI command on a specific SCSI target.\r
+\r
+ Executes the SCSI Mode Sense(10) 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\r
+ after Timeout 100 ns units. The DBDField, PageControl, and PageCode parameters\r
+ are used to construct the CDB for this SCSI command.\r
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
-\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
-\r
If DataLength is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo A pointer to SCSI IO protocol.\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
- @param[in, out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[in] DataBuffer A pointer to input data buffer.\r
- @param[in, out] DataLength The length of input data buffer.\r
- @param[in] DBDField The DBD Field (Optional).\r
- @param[in] PageControl Page Control.\r
- @param[in] PageCode Page code.\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
+\r
+ @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance\r
+ for the specific SCSI target.\r
+ @param[in] Timeout The timeout in 100 ns units to use for the\r
+ execution of this SCSI Request Packet. A Timeout\r
+ value of zero means that this function will wait\r
+ indefinitely for the SCSI Request Packet to execute.\r
+ If Timeout is greater than zero, then this function\r
+ will return EFI_TIMEOUT if the time required to\r
+ execute the SCSI Request Packet is greater than Timeout.\r
+ @param[in, out] SenseData A pointer to sense data that was generated\r
+ by the execution of the SCSI Request Packet.\r
+ This buffer must be allocated by the caller.\r
+ If SenseDataLength is 0, then this parameter\r
+ is optional and may be NULL.\r
+ @param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer.\r
+ On output, the number of bytes written to the SenseData buffer. \r
+ @param[out] HostAdapterStatus The status of the SCSI Host Controller that\r
+ produces the SCSI bus containing the SCSI target\r
+ specified by ScsiIo when the SCSI Request Packet\r
+ was executed. See the EFI SCSI I/O Protocol in the\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 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
+ @param[in, out] DataBuffer A pointer to data that was generated by the\r
+ execution of the SCSI Request Packet. This\r
+ buffer must be allocated by the caller. If\r
+ DataLength is 0, then this parameter is optional\r
+ and may be NULL. \r
+ @param[in, out] DataLength On input, a pointer to the length in bytes of\r
+ the DataBuffer buffer. On output, a pointer\r
+ to the number of bytes written to the DataBuffer\r
+ buffer. \r
+ @param[in] DBDField Specifies the DBD field of the CDB for this SCSI Command.\r
+ @param[in] PageControl Specifies the PC field of the CDB for this SCSI Command. \r
+ @param[in] PageCode Specifies the Page Control field of the CDB for this SCSI Command. \r
+\r
+ @retval EFI_SUCCESS The command was executed successfully.\r
+ See HostAdapterStatus, TargetStatus, SenseDataLength,\r
+ and SenseData in that order for additional status information.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the\r
+ 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 ScsiIo is NULL. \r
+ in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r
+ there are too many SCSI Command Packets already queued.\r
+ The SCSI Request Packet was not sent, so no additional\r
+ status information is available. The caller may retry\r
+ again later.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send\r
+ SCSI Request Packet. See HostAdapterStatus, TargetStatus,\r
+ SenseDataLength, and SenseData in that order for\r
+ additional status information.\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
+ is not supported by the SCSI initiator(i.e., SCSI\r
+ Host Controller). The SCSI Request Packet was not\r
+ sent, so no additional status information is available.\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI\r
+ Request Packet to execute. See HostAdapterStatus,\r
+ TargetStatus, SenseDataLength, and SenseData in that\r
+ order for additional status information.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiModeSense10Command (\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
- IN VOID *DataBuffer,\r
- IN OUT UINT32 *DataLength,\r
- IN UINT8 DBDField, OPTIONAL\r
- IN UINT8 PageControl,\r
- IN UINT8 PageCode\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *DataBuffer, OPTIONAL\r
+ IN OUT UINT32 *DataLength,\r
+ IN UINT8 DBDField, OPTIONAL\r
+ IN UINT8 PageControl,\r
+ IN UINT8 PageCode\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
ASSERT (DataLength != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_TEN);\r
//\r
// DBDField is in Cdb[1] bit3 of (bit7..0)\r
//\r
- Cdb[1] = (UINT8) ((Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK) + ((DBDField << 3) & 0x08));\r
+ Cdb[1] = (UINT8) (((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK) + ((DBDField << 3) & 0x08));\r
//\r
// PageControl is in Cdb[2] bit7..6, PageCode is in Cdb[2] bit5..0\r
//\r
- Cdb[2] = (UINT8) ((PageControl & 0xc0) | (PageCode & 0x3f));\r
+ Cdb[2] = (UINT8) (((PageControl << 6) & 0xc0) | (PageCode & 0x3f));\r
Cdb[7] = (UINT8) (*DataLength >> 8);\r
Cdb[8] = (UINT8) (*DataLength);\r
\r
\r
\r
/**\r
- Function to submit SCSI request sense command.\r
-\r
- Submit SCSI request sense command with the SCSI requested packet specified by this\r
- SCSI command, TimeOut and SenseData, and then return the status of scsi unit execution.\r
+ Execute Request Sense SCSI command on a specific SCSI target.\r
\r
+ Executes the Request Sense 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 Timeout 100 ns units.\r
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
- \r
If HostAdapterStatus is NULL, then ASSERT().\r
- \r
If TargetStatus is NULL, then ASSERT().\r
\r
@param[in] ScsiIo A pointer to SCSI IO protocol.\r
@param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
- @param[in, out] SenseDataLength The length of output sense data.\r
+ @param[in, out] SenseData A pointer to output sense data.\r
+ @param[in, out] SenseDataLength The length of output sense data.\r
@param[out] HostAdapterStatus The status of Host Adapter.\r
@param[out] TargetStatus The status of the target.\r
\r
@retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by\r
the SCSI initiator(i.e., SCSI Host Controller)\r
@retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
- @retval EFI_INVALID_PARAMETER ScsiIo is NULL.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiRequestSenseCommand (\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
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (SenseDataLength != NULL);\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIX);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_REQUEST_SENSE;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
Cdb[4] = (UINT8) (*SenseDataLength);\r
\r
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;\r
\r
\r
/**\r
- Function to submit read capacity command.\r
-\r
- Submit SCSI read capacity command with the SCSI request packet specified by this SCSI \r
- command and the input parameters, and then return the status of Scsi unit execution.\r
+ Execute Read Capacity SCSI command on a specific SCSI target.\r
\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
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
-\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
-\r
If DataLength is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo A pointer to SCSI IO protocol.\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
+ @param[in] ScsiIo A pointer to SCSI IO protocol.\r
+ @param[in] Timeout The length of timeout period.\r
+ @param[in, out] SenseData A pointer to output sense data.\r
@param[in, out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[out] DataBuffer A pointer to a data buffer.\r
+ @param[out] HostAdapterStatus The status of Host Adapter.\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
-\r
- @retval EFI_SUCCESS Command is executed successfully.\r
- @retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could\r
- not be transferred. The actual number of bytes transferred is returned in DataLength.\r
- @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many \r
- SCSI Command Packets already queued.\r
- @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
- @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by \r
- the SCSI initiator(i.e., SCSI Host Controller)\r
- @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
- @retval EFI_INVALID_PARAMETER ScsiIo is NULL.\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
+ DataBuffer could not be transferred. The actual\r
+ number of bytes transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r
+ there are too many SCSI Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r
+ is not supported by the SCSI initiator(i.e., SCSI Host Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiReadCapacityCommand (\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
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *DataBuffer, OPTIONAL\r
+ IN OUT UINT32 *DataLength,\r
+ IN BOOLEAN Pmi\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
ASSERT (DataLength != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_TEN);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_READ_CAPACITY;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
- if (!PMI) {\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\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
- Function to submit read 10 command.\r
-\r
- Submit SCSI read (10) command with the SCSI request packet specified by this SCSI command \r
- and the input parameters, and then return the status of Scsi unit execution.\r
+ Execute Read Capacity SCSI 16 command on a specific SCSI target.\r
\r
+ Executes the SCSI Read Capacity 16 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
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
-\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
+ If DataLength is NULL, then ASSERT().\r
\r
+ @param[in] ScsiIo A pointer to SCSI IO protocol.\r
+ @param[in] Timeout The length of timeout period.\r
+ @param[in, out] SenseData A pointer to output sense data.\r
+ @param[in, out] SenseDataLength The length of output sense data.\r
+ @param[out] HostAdapterStatus The status of Host Adapter.\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
+\r
+ @retval EFI_SUCCESS Command is executed successfully.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire\r
+ DataBuffer could not be transferred. The actual\r
+ number of bytes transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r
+ there are too many SCSI Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r
+ is not supported by the SCSI initiator(i.e., SCSI Host Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI 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 OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *DataBuffer, OPTIONAL\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
+ Executes the SCSI Read(10) 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\r
+ after Timeout 100 ns units. The StartLba and SectorSize parameters are used to\r
+ 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
+ If TargetStatus is NULL, then ASSERT().\r
If DataLength is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo A pointer to SCSI IO protocol.\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
+\r
+ @param[in] ScsiIo A pointer to SCSI IO protocol.\r
+ @param[in] Timeout The length of timeout period.\r
+ @param[in, out] SenseData A pointer to output sense data.\r
@param[in, out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[out] DataBuffer Read 10 command data.\r
+ @param[out] HostAdapterStatus The status of Host Adapter.\r
+ @param[out] TargetStatus The status of the target.\r
+ @param[in, out] DataBuffer Read 10 command data.\r
@param[in, out] DataLength The length of data buffer.\r
- @param[in] StartLba The start address of LBA.\r
- @param[in] SectorSize The sector size.\r
-\r
- @retval EFI_SUCCESS Command is executed successfully.\r
- @retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could\r
- not be transferred. The actual number of bytes transferred is returned in DataLength.\r
- @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many \r
- SCSI Command Packets already queued.\r
- @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
- @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by \r
- the SCSI initiator(i.e., SCSI Host Controller)\r
- @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
- @retval EFI_INVALID_PARAMETER ScsiIo is NULL.\r
+ @param[in] StartLba The start address of LBA.\r
+ @param[in] SectorSize The sector size.\r
+\r
+ @retval EFI_SUCCESS Command is executed successfully.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could\r
+ not be transferred. The actual number of bytes transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many \r
+ SCSI Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by \r
+ the SCSI initiator(i.e., SCSI Host Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiRead10Command (\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 UINT32 StartLba,\r
- IN UINT32 SectorSize\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *DataBuffer, OPTIONAL\r
+ IN OUT UINT32 *DataLength,\r
+ IN UINT32 StartLba,\r
+ IN UINT32 SectorSize\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
ASSERT (DataLength != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_TEN);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_READ10;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
Cdb[2] = (UINT8) (StartLba >> 24);\r
Cdb[3] = (UINT8) (StartLba >> 16);\r
Cdb[4] = (UINT8) (StartLba >> 8);\r
\r
\r
/**\r
- Function to submit SCSI write 10 command.\r
-\r
- Submit SCSI write (10) command with the SCSI request packet specified by this SCSI command and the\r
- input parameters, and then return the status of Scsi unit execution.\r
-\r
+ Execute Write(10) SCSI command on a specific SCSI target.\r
+\r
+ Executes the SCSI Write(10) 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 StartLba and SectorSize parameters are used to construct\r
+ the CDB for this SCSI command.\r
+ If ScsiIo is NULL, then ASSERT().\r
If SenseDataLength is NULL, then ASSERT().\r
-\r
If HostAdapterStatus is NULL, then ASSERT().\r
-\r
If TargetStatus is NULL, then ASSERT().\r
-\r
If DataLength is NULL, then ASSERT().\r
\r
- @param[in] ScsiIo SCSI IO Protocol to use\r
- @param[in] Timeout The length of timeout period.\r
- @param[in] SenseData A pointer to output sense data.\r
+ @param[in] ScsiIo SCSI IO Protocol to use\r
+ @param[in] Timeout The length of timeout period.\r
+ @param[in, out] SenseData A pointer to output sense data.\r
@param[in, out] SenseDataLength The length of output sense data.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[out] DataBuffer A pointer to a data buffer.\r
+ @param[out] HostAdapterStatus The status of Host Adapter.\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] StartLba The start address of LBA.\r
- @param[in] SectorSize The sector size.\r
-\r
- @retval EFI_SUCCESS Command is executed successfully.\r
- @retval EFI_WARN_BUFFER_TOO_SMALL The SCSI Request Packet was executed, but the entire DataBuffer could\r
- not be transferred. The actual number of bytes transferred is returned in DataLength.\r
- @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many \r
- SCSI Command Packets already queued.\r
- @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
- @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by \r
- the SCSI initiator(i.e., SCSI Host Controller)\r
- @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
- @retval EFI_INVALID_PARAMETER ScsiIo is NULL.\r
+ @param[in] StartLba The start address of LBA.\r
+ @param[in] SectorSize The sector size.\r
+\r
+ @retval EFI_SUCCESS Command is executed successfully.\r
+ @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could\r
+ not be transferred. The actual number of bytes transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many \r
+ SCSI Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by \r
+ the SCSI initiator(i.e., SCSI Host Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiWrite10Command (\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 UINT32 StartLba,\r
- IN UINT32 SectorSize\r
+ IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
+ IN UINT64 Timeout,\r
+ IN OUT VOID *SenseData, OPTIONAL\r
+ IN OUT UINT8 *SenseDataLength,\r
+ OUT UINT8 *HostAdapterStatus,\r
+ OUT UINT8 *TargetStatus,\r
+ IN OUT VOID *DataBuffer, OPTIONAL\r
+ IN OUT UINT32 *DataLength,\r
+ IN UINT32 StartLba,\r
+ IN UINT32 SectorSize\r
)\r
{\r
EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
ASSERT (HostAdapterStatus != NULL);\r
ASSERT (TargetStatus != NULL);\r
ASSERT (DataLength != NULL);\r
- \r
- if (ScsiIo == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ ASSERT (ScsiIo != NULL);\r
\r
ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_TEN);\r
ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
\r
Cdb[0] = EFI_SCSI_OP_WRITE10;\r
- Cdb[1] = (UINT8) (Lun & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
+ Cdb[1] = (UINT8) ((Lun << 5) & EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK);\r
Cdb[2] = (UINT8) (StartLba >> 24);\r
Cdb[3] = (UINT8) (StartLba >> 16);\r
Cdb[4] = (UINT8) (StartLba >> 8);\r