/** @file\r
UEFI SCSI Library implementation\r
\r
- Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
- All rights reserved. This program and the accompanying materials \r
+ Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r
+ 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
- http://opensource.org/licenses/bsd-license.php \r
+ http://opensource.org/licenses/bsd-license.php. \r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
\r
#include <Uefi.h>\r
+#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
-#include <Library/ScsiLib.h>\r
+#include <Library/UefiScsiLib.h>\r
#include <Library/BaseMemoryLib.h>\r
-\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+ \r
#include <IndustryStandard/Scsi.h>\r
+ \r
+ \r
+ //\r
+ // Scsi Command Length\r
+ //\r
+#define EFI_SCSI_OP_LENGTH_SIX 0x6\r
+#define EFI_SCSI_OP_LENGTH_TEN 0xa\r
+#define EFI_SCSI_OP_LENGTH_SIXTEEN 0x10\r
\r
//\r
-// bit5..7 are for Logical unit number\r
-// 11100000b (0xe0)\r
+// The context structure used when non-blocking SCSI read/write operation\r
+// completes.\r
//\r
-#define EFI_SCSI_LOGICAL_UNIT_NUMBER_MASK 0xe0\r
+typedef struct {\r
+ ///\r
+ /// The SCSI request packet to send to the SCSI controller specified by\r
+ /// the device handle.\r
+ ///\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
+ ///\r
+ /// The length of the output sense data.\r
+ ///\r
+ UINT8 *SenseDataLength;\r
+ ///\r
+ /// The status of the SCSI host adapter.\r
+ ///\r
+ UINT8 *HostAdapterStatus;\r
+ ///\r
+ /// The status of the target SCSI device.\r
+ ///\r
+ UINT8 *TargetStatus;\r
+ ///\r
+ /// The length of the data buffer for the SCSI read/write command.\r
+ ///\r
+ UINT32 *DataLength;\r
+ ///\r
+ /// The caller event to be signaled when the SCSI read/write command\r
+ /// completes.\r
+ ///\r
+ EFI_EVENT CallerEvent;\r
+} EFI_SCSI_LIB_ASYNC_CONTEXT;\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
+ 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
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 out] SenseData A pointer to the sense data that \r
- was generated by the execution of the SCSI Request Packet.\r
- @param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\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 The contents of CommandPacket are invalid, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ScsiTestUnitReadyCommand (\r
- IN EFI_SCSI_IO_PROTOCOL *ScsiIo,\r
- IN UINT64 Timeout,\r
- IN OUT 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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_SIX];\r
\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
//\r
// Fill Cdb for Test Unit Ready Command\r
//\r
- Target = &TargetArray[0];\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
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;\r
CommandPacket.SenseDataLength = *SenseDataLength;\r
\r
\r
\r
/**\r
- Function to submit SCSI inquiry command.\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
If HostAdapterStatus is NULL, then ASSERT().\r
If TargetStatus is NULL, then ASSERT().\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 On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
- @param[in] InquirydDtaBuffer 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 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, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If InquiryDataLength is non-zero and InquiryDataBuffer is not NULL, InquiryDataBuffer\r
+ must meet buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\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\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 for the PageCode is returned in InquiryDataBuffer.\r
+ If FALSE, then the standard inquiry data is\r
+ returned in InquiryDataBuffer and PageCode is ignored.\r
+ @param[in] PageCode The page code of the vital product data.\r
+ It's ignored if EnableVitalProductData is FALSE.\r
+\r
+ @retval EFI_SUCCESS The command 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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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 VOID *InquiryDataBuffer,\r
- IN OUT UINT32 *InquiryDataLength,\r
- IN BOOLEAN EnableVitalProductData\r
+ScsiInquiryCommandEx (\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
+ IN UINT8 PageCode\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[EFI_SCSI_OP_LENGTH_SIX];\r
\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
CommandPacket.SenseDataLength = *SenseDataLength;\r
CommandPacket.Cdb = Cdb;\r
\r
- Target = &TargetArray[0];\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
if (EnableVitalProductData) {\r
Cdb[1] |= 0x01;\r
+ Cdb[2] = PageCode;\r
}\r
\r
if (*InquiryDataLength > 0xff) {\r
\r
\r
/**\r
- Function to submit SCSI mode sense 10 command.\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
+ If HostAdapterStatus is NULL, then ASSERT().\r
+ If TargetStatus is NULL, then ASSERT().\r
+ If InquiryDataLength is NULL, then ASSERT().\r
+\r
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If InquiryDataLength is non-zero and InquiryDataBuffer is not NULL, InquiryDataBuffer\r
+ must meet buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\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\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiInquiryCommand (\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
+ return ScsiInquiryCommandEx (\r
+ ScsiIo,\r
+ Timeout,\r
+ SenseData,\r
+ SenseDataLength,\r
+ HostAdapterStatus,\r
+ TargetStatus,\r
+ InquiryDataBuffer,\r
+ InquiryDataLength,\r
+ EnableVitalProductData,\r
+ 0\r
+ );\r
+}\r
+\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
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
- @param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\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
- 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, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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 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). 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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_TEN];\r
\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
// Fill Cdb for Mode Sense (10) Command\r
//\r
- Target = &TargetArray[0];\r
- ScsiIo->GetDeviceLocation (ScsiIo, &Target, &Lun);\r
-\r
Cdb[0] = EFI_SCSI_OP_MODE_SEN10;\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) ((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
+ 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
If HostAdapterStatus is NULL, then ASSERT().\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 On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\r
- @param[out] HostAdapterStatus The status of Host Adapter.\r
- @param[out] TargetStatus The status of the target.\r
-\r
- @retval EFI_SUCCESS Valid data returned\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, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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
+\r
+ @retval EFI_SUCCESS Command is executed successfully.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are\r
+ 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 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 The contents of the SCSI Request Packet are invalid.\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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_SIX];\r
\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
//\r
// Fill Cdb for Request Sense Command\r
//\r
- Target = &TargetArray[0];\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[4] = (UINT8) (*SenseDataLength);\r
\r
CommandPacket.CdbLength = (UINT8) EFI_SCSI_OP_LENGTH_SIX;\r
\r
\r
/**\r
- Function to submit read capacity command.\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
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
- @param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\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[in out] DataLength The length of data buffer.\r
- @param[in] 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, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_TEN];\r
\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
// 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_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
- Function to submit read 10 command.\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
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
- @param[in out] SenseDataLength On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\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[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 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, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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
+ EFI_STATUS Status;\r
+ UINT8 Cdb[16];\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\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
+ 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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 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 number of contiguous logical blocks of data that shall be transferred.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_TEN];\r
\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
// Fill Cdb for Read (10) Command\r
//\r
- Target = &TargetArray[0];\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[2] = (UINT8) (StartLba >> 24);\r
- Cdb[3] = (UINT8) (StartLba >> 16);\r
- Cdb[4] = (UINT8) (StartLba >> 8);\r
- Cdb[5] = (UINT8) (StartLba & 0xff);\r
- Cdb[7] = (UINT8) (SectorSize >> 8);\r
- Cdb[8] = (UINT8) (SectorSize & 0xff);\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));\r
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));\r
\r
CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_TEN;\r
CommandPacket.DataDirection = EFI_SCSI_DATA_IN;\r
\r
\r
/**\r
- Function to submit SCSI write 10 command.\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
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 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 On input, the length in bytes of the SenseData buffer. On\r
- output, the number of bytes written to the SenseData buffer.\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[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 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 The contents of CommandPacket are invalid, or 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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\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[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 number of contiguous logical blocks of data that shall be transferred.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\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
- UINT64 Lun;\r
- UINT8 *Target;\r
- UINT8 TargetArray[EFI_SCSI_TARGET_MAX_BYTES];\r
EFI_STATUS Status;\r
UINT8 Cdb[EFI_SCSI_OP_LENGTH_TEN];\r
\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
// Fill Cdb for Write (10) Command\r
//\r
- Target = &TargetArray[0];\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[2] = (UINT8) (StartLba >> 24);\r
- Cdb[3] = (UINT8) (StartLba >> 16);\r
- Cdb[4] = (UINT8) (StartLba >> 8);\r
- Cdb[5] = (UINT8) StartLba;\r
- Cdb[7] = (UINT8) (SectorSize >> 8);\r
- Cdb[8] = (UINT8) SectorSize;\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));\r
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));\r
\r
CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_TEN;\r
CommandPacket.DataDirection = EFI_SCSI_DATA_OUT;\r
return Status;\r
}\r
\r
+/**\r
+ Execute Read(16) SCSI command on a specific SCSI target.\r
+\r
+ Executes the SCSI Read(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\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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\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 Read 16 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 number of contiguous logical blocks of data that shall be transferred.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiRead16Command (\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 UINT64 StartLba,\r
+ IN UINT32 SectorSize\r
+ )\r
+{\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 Cdb[EFI_SCSI_OP_LENGTH_SIXTEEN];\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
+ ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIXTEEN);\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 (16) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_READ16;\r
+ WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));\r
+\r
+ CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;\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 Write(16) SCSI command on a specific SCSI target.\r
+\r
+ Executes the SCSI Write(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 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
+ If HostAdapterStatus is NULL, then ASSERT().\r
+ If TargetStatus is NULL, then ASSERT().\r
+ If DataLength is NULL, then ASSERT().\r
+\r
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer\r
+ alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER\r
+ gets returned.\r
+\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[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 number of contiguous logical blocks of data that shall be transferred.\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
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiWrite16Command (\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 UINT64 StartLba,\r
+ IN UINT32 SectorSize\r
+ )\r
+{\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 Cdb[EFI_SCSI_OP_LENGTH_SIXTEEN];\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ ZeroMem (&CommandPacket, sizeof (EFI_SCSI_IO_SCSI_REQUEST_PACKET));\r
+ ZeroMem (Cdb, EFI_SCSI_OP_LENGTH_SIXTEEN);\r
+\r
+ CommandPacket.Timeout = Timeout;\r
+ CommandPacket.OutDataBuffer = DataBuffer;\r
+ CommandPacket.SenseData = SenseData;\r
+ CommandPacket.OutTransferLength = *DataLength;\r
+ CommandPacket.Cdb = Cdb;\r
+ //\r
+ // Fill Cdb for Write (16) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_WRITE16;\r
+ WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));\r
+\r
+ CommandPacket.CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;\r
+ CommandPacket.DataDirection = EFI_SCSI_DATA_OUT;\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.OutTransferLength;\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Internal helper notify function in which update the result of the\r
+ non-blocking SCSI Read/Write commands and signal caller event.\r
+\r
+ @param Event The instance of EFI_EVENT.\r
+ @param Context The parameter passed in.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+ScsiLibNotify (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ EFI_SCSI_LIB_ASYNC_CONTEXT *LibContext;\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r
+ EFI_EVENT CallerEvent;\r
+\r
+ LibContext = (EFI_SCSI_LIB_ASYNC_CONTEXT *) Context;\r
+ CommandPacket = &LibContext->CommandPacket;\r
+ CallerEvent = LibContext->CallerEvent;\r
+\r
+ //\r
+ // Update SCSI Read/Write operation results\r
+ //\r
+ *LibContext->SenseDataLength = CommandPacket->SenseDataLength;\r
+ *LibContext->HostAdapterStatus = CommandPacket->HostAdapterStatus;\r
+ *LibContext->TargetStatus = CommandPacket->TargetStatus;\r
+ if (CommandPacket->InDataBuffer != NULL) {\r
+ *LibContext->DataLength = CommandPacket->InTransferLength;\r
+ } else {\r
+ *LibContext->DataLength = CommandPacket->OutTransferLength;\r
+ }\r
+\r
+ if (CommandPacket->Cdb != NULL) {\r
+ FreePool (CommandPacket->Cdb);\r
+ }\r
+ FreePool (Context);\r
+\r
+ gBS->CloseEvent (Event);\r
+ gBS->SignalEvent (CallerEvent);\r
+}\r
+\r
+\r
+/**\r
+ Execute blocking/non-blocking Read(10) SCSI command on a specific SCSI\r
+ target.\r
+\r
+ Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo.\r
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking\r
+ command will be executed.\r
+ For blocking I/O, if Timeout is zero, this function will wait indefinitely\r
+ for the command to complete. If Timeout is greater than zero, then the\r
+ command is executed and will timeout after Timeout 100 ns units.\r
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after\r
+ the command to completes. If Timeout is greater than zero, Event will also be\r
+ signaled after Timeout 100 ns units.\r
+ The StartLba and SectorSize parameters are used to construct the CDB for this\r
+ SCSI command.\r
+\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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\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 Read 16 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 number of contiguous logical blocks\r
+ of data that shall be transferred.\r
+ @param[in] Event If the SCSI target does not support\r
+ non-blocking I/O, then Event is ignored,\r
+ and blocking I/O is performed. If Event\r
+ is NULL, then blocking I/O is performed.\r
+ If Event is not NULL and non-blocking\r
+ I/O is supported, then non-blocking I/O\r
+ is performed, and Event will be signaled\r
+ when the SCSI Read(10) command\r
+ completes.\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\r
+ transferred. The actual number of bytes\r
+ transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be\r
+ sent because there are too many SCSI\r
+ Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting\r
+ to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI\r
+ Request Packet is not supported by the\r
+ SCSI initiator(i.e., SCSI Host\r
+ Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the\r
+ SCSI Request Packet to execute.\r
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet\r
+ are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due\r
+ to a lack of resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiRead10CommandEx (\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
+ IN EFI_EVENT Event OPTIONAL\r
+ )\r
+{\r
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 *Cdb;\r
+ EFI_EVENT SelfEvent;\r
+\r
+ if (Event == NULL) {\r
+ return ScsiRead10Command (\r
+ ScsiIo,\r
+ Timeout,\r
+ SenseData,\r
+ SenseDataLength,\r
+ HostAdapterStatus,\r
+ TargetStatus,\r
+ DataBuffer,\r
+ DataLength,\r
+ StartLba,\r
+ SectorSize\r
+ );\r
+ }\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));\r
+ if (Context == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_TEN);\r
+ if (Cdb == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Context->SenseDataLength = SenseDataLength;\r
+ Context->HostAdapterStatus = HostAdapterStatus;\r
+ Context->TargetStatus = TargetStatus;\r
+ Context->CallerEvent = Event;\r
+\r
+ CommandPacket = &Context->CommandPacket;\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 (10) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_READ10;\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));\r
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));\r
+\r
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_TEN;\r
+ CommandPacket->DataDirection = EFI_SCSI_DATA_IN;\r
+ CommandPacket->SenseDataLength = *SenseDataLength;\r
+\r
+ //\r
+ // Create Event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_CALLBACK,\r
+ ScsiLibNotify,\r
+ Context,\r
+ &SelfEvent\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, SelfEvent);\r
+\r
+ErrorExit:\r
+ if (Context != NULL) {\r
+ FreePool (Context);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Execute blocking/non-blocking Write(10) SCSI command on a specific SCSI\r
+ target.\r
+\r
+ Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo.\r
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking\r
+ command will be executed.\r
+ For blocking I/O, if Timeout is zero, this function will wait indefinitely\r
+ for the command to complete. If Timeout is greater than zero, then the\r
+ command is executed and will timeout after Timeout 100 ns units.\r
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after\r
+ the command to completes. If Timeout is greater than zero, Event will also be\r
+ signaled after Timeout 100 ns units.\r
+ The StartLba and SectorSize parameters are used to construct the CDB for this\r
+ SCSI command.\r
+\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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\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[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 number of contiguous logical blocks\r
+ of data that shall be transferred.\r
+ @param[in] Event If the SCSI target does not support\r
+ non-blocking I/O, then Event is ignored,\r
+ and blocking I/O is performed. If Event\r
+ is NULL, then blocking I/O is performed.\r
+ If Event is not NULL and non-blocking\r
+ I/O is supported, then non-blocking I/O\r
+ is performed, and Event will be signaled\r
+ when the SCSI Write(10) command\r
+ completes.\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\r
+ transferred. The actual number of bytes\r
+ transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be\r
+ sent because there are too many SCSI\r
+ Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting\r
+ to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI\r
+ Request Packet is not supported by the\r
+ SCSI initiator(i.e., SCSI Host\r
+ Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the\r
+ SCSI Request Packet to execute.\r
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet\r
+ are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due\r
+ to a lack of resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiWrite10CommandEx (\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
+ IN EFI_EVENT Event OPTIONAL\r
+ )\r
+{\r
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 *Cdb;\r
+ EFI_EVENT SelfEvent;\r
+\r
+ if (Event == NULL) {\r
+ return ScsiWrite10Command (\r
+ ScsiIo,\r
+ Timeout,\r
+ SenseData,\r
+ SenseDataLength,\r
+ HostAdapterStatus,\r
+ TargetStatus,\r
+ DataBuffer,\r
+ DataLength,\r
+ StartLba,\r
+ SectorSize\r
+ );\r
+ }\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));\r
+ if (Context == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_TEN);\r
+ if (Cdb == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Context->SenseDataLength = SenseDataLength;\r
+ Context->HostAdapterStatus = HostAdapterStatus;\r
+ Context->TargetStatus = TargetStatus;\r
+ Context->CallerEvent = Event;\r
+\r
+ CommandPacket = &Context->CommandPacket;\r
+ CommandPacket->Timeout = Timeout;\r
+ CommandPacket->OutDataBuffer = DataBuffer;\r
+ CommandPacket->SenseData = SenseData;\r
+ CommandPacket->OutTransferLength = *DataLength;\r
+ CommandPacket->Cdb = Cdb;\r
+ //\r
+ // Fill Cdb for Write (10) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_WRITE10;\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[2], SwapBytes32 (StartLba));\r
+ WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 ((UINT16) SectorSize));\r
+\r
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_TEN;\r
+ CommandPacket->DataDirection = EFI_SCSI_DATA_OUT;\r
+ CommandPacket->SenseDataLength = *SenseDataLength;\r
+\r
+ //\r
+ // Create Event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_CALLBACK,\r
+ ScsiLibNotify,\r
+ Context,\r
+ &SelfEvent\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);\r
+\r
+ErrorExit:\r
+ if (Context != NULL) {\r
+ FreePool (Context);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Execute blocking/non-blocking Read(16) SCSI command on a specific SCSI\r
+ target.\r
+\r
+ Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo.\r
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking\r
+ command will be executed.\r
+ For blocking I/O, if Timeout is zero, this function will wait indefinitely\r
+ for the command to complete. If Timeout is greater than zero, then the\r
+ command is executed and will timeout after Timeout 100 ns units.\r
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after\r
+ the command to completes. If Timeout is greater than zero, Event will also be\r
+ signaled after Timeout 100 ns units.\r
+ The StartLba and SectorSize parameters are used to construct the CDB for this\r
+ SCSI command.\r
+\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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\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 Read 16 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 number of contiguous logical blocks\r
+ of data that shall be transferred.\r
+ @param[in] Event If the SCSI target does not support\r
+ non-blocking I/O, then Event is ignored,\r
+ and blocking I/O is performed. If Event\r
+ is NULL, then blocking I/O is performed.\r
+ If Event is not NULL and non-blocking\r
+ I/O is supported, then non-blocking I/O\r
+ is performed, and Event will be signaled\r
+ when the SCSI Read(16) command\r
+ completes.\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\r
+ transferred. The actual number of bytes\r
+ transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be\r
+ sent because there are too many SCSI\r
+ Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting\r
+ to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI\r
+ Request Packet is not supported by the\r
+ SCSI initiator(i.e., SCSI Host\r
+ Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the\r
+ SCSI Request Packet to execute.\r
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet\r
+ are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due\r
+ to a lack of resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiRead16CommandEx (\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 UINT64 StartLba,\r
+ IN UINT32 SectorSize,\r
+ IN EFI_EVENT Event OPTIONAL\r
+ )\r
+{\r
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 *Cdb;\r
+ EFI_EVENT SelfEvent;\r
+\r
+ if (Event == NULL) {\r
+ return ScsiRead16Command (\r
+ ScsiIo,\r
+ Timeout,\r
+ SenseData,\r
+ SenseDataLength,\r
+ HostAdapterStatus,\r
+ TargetStatus,\r
+ DataBuffer,\r
+ DataLength,\r
+ StartLba,\r
+ SectorSize\r
+ );\r
+ }\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));\r
+ if (Context == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_SIXTEEN);\r
+ if (Cdb == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Context->SenseDataLength = SenseDataLength;\r
+ Context->HostAdapterStatus = HostAdapterStatus;\r
+ Context->TargetStatus = TargetStatus;\r
+ Context->CallerEvent = Event;\r
+\r
+ CommandPacket = &Context->CommandPacket;\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 (16) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_READ16;\r
+ WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));\r
+\r
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;\r
+ CommandPacket->DataDirection = EFI_SCSI_DATA_IN;\r
+ CommandPacket->SenseDataLength = *SenseDataLength;\r
+\r
+ //\r
+ // Create Event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_CALLBACK,\r
+ ScsiLibNotify,\r
+ Context,\r
+ &SelfEvent\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);\r
+\r
+ErrorExit:\r
+ if (Context != NULL) {\r
+ FreePool (Context);\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+\r
+/**\r
+ Execute blocking/non-blocking Write(16) SCSI command on a specific SCSI\r
+ target.\r
+\r
+ Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo.\r
+ When Event is NULL, blocking command will be executed. Otherwise non-blocking\r
+ command will be executed.\r
+ For blocking I/O, if Timeout is zero, this function will wait indefinitely\r
+ for the command to complete. If Timeout is greater than zero, then the\r
+ command is executed and will timeout after Timeout 100 ns units.\r
+ For non-blocking I/O, if Timeout is zero, Event will be signaled only after\r
+ the command to completes. If Timeout is greater than zero, Event will also be\r
+ signaled after Timeout 100 ns units.\r
+ The StartLba and SectorSize parameters are used to construct the CDB for this\r
+ SCSI command.\r
+\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
+ If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\r
+ If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet\r
+ buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise\r
+ EFI_INVALID_PARAMETER gets returned.\r
+\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[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 number of contiguous logical blocks\r
+ of data that shall be transferred.\r
+ @param[in] Event If the SCSI target does not support\r
+ non-blocking I/O, then Event is ignored,\r
+ and blocking I/O is performed. If Event\r
+ is NULL, then blocking I/O is performed.\r
+ If Event is not NULL and non-blocking\r
+ I/O is supported, then non-blocking I/O\r
+ is performed, and Event will be signaled\r
+ when the SCSI Write(16) command\r
+ completes.\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\r
+ transferred. The actual number of bytes\r
+ transferred is returned in DataLength.\r
+ @retval EFI_NOT_READY The SCSI Request Packet could not be\r
+ sent because there are too many SCSI\r
+ Command Packets already queued.\r
+ @retval EFI_DEVICE_ERROR A device error occurred while attempting\r
+ to send SCSI Request Packet.\r
+ @retval EFI_UNSUPPORTED The command described by the SCSI\r
+ Request Packet is not supported by the\r
+ SCSI initiator(i.e., SCSI Host\r
+ Controller)\r
+ @retval EFI_TIMEOUT A timeout occurred while waiting for the\r
+ SCSI Request Packet to execute.\r
+ @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet\r
+ are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due\r
+ to a lack of resources.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ScsiWrite16CommandEx (\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 UINT64 StartLba,\r
+ IN UINT32 SectorSize,\r
+ IN EFI_EVENT Event OPTIONAL\r
+ )\r
+{\r
+ EFI_SCSI_LIB_ASYNC_CONTEXT *Context;\r
+ EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r
+ EFI_STATUS Status;\r
+ UINT8 *Cdb;\r
+ EFI_EVENT SelfEvent;\r
+\r
+ if (Event == NULL) {\r
+ return ScsiWrite16Command (\r
+ ScsiIo,\r
+ Timeout,\r
+ SenseData,\r
+ SenseDataLength,\r
+ HostAdapterStatus,\r
+ TargetStatus,\r
+ DataBuffer,\r
+ DataLength,\r
+ StartLba,\r
+ SectorSize\r
+ );\r
+ }\r
+\r
+ ASSERT (SenseDataLength != NULL);\r
+ ASSERT (HostAdapterStatus != NULL);\r
+ ASSERT (TargetStatus != NULL);\r
+ ASSERT (DataLength != NULL);\r
+ ASSERT (ScsiIo != NULL);\r
+\r
+ Context = AllocateZeroPool (sizeof (EFI_SCSI_LIB_ASYNC_CONTEXT));\r
+ if (Context == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ Cdb = AllocateZeroPool (EFI_SCSI_OP_LENGTH_SIXTEEN);\r
+ if (Cdb == NULL) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto ErrorExit;\r
+ }\r
+\r
+ Context->SenseDataLength = SenseDataLength;\r
+ Context->HostAdapterStatus = HostAdapterStatus;\r
+ Context->TargetStatus = TargetStatus;\r
+ Context->CallerEvent = Event;\r
+\r
+ CommandPacket = &Context->CommandPacket;\r
+ CommandPacket->Timeout = Timeout;\r
+ CommandPacket->OutDataBuffer = DataBuffer;\r
+ CommandPacket->SenseData = SenseData;\r
+ CommandPacket->OutTransferLength = *DataLength;\r
+ CommandPacket->Cdb = Cdb;\r
+ //\r
+ // Fill Cdb for Write (16) Command\r
+ //\r
+ Cdb[0] = EFI_SCSI_OP_WRITE16;\r
+ WriteUnaligned64 ((UINT64 *)&Cdb[2], SwapBytes64 (StartLba));\r
+ WriteUnaligned32 ((UINT32 *)&Cdb[10], SwapBytes32 (SectorSize));\r
+\r
+ CommandPacket->CdbLength = EFI_SCSI_OP_LENGTH_SIXTEEN;\r
+ CommandPacket->DataDirection = EFI_SCSI_DATA_OUT;\r
+ CommandPacket->SenseDataLength = *SenseDataLength;\r
+\r
+ //\r
+ // Create Event\r
+ //\r
+ Status = gBS->CreateEvent (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_CALLBACK,\r
+ ScsiLibNotify,\r
+ Context,\r
+ &SelfEvent\r
+ );\r
+ if (EFI_ERROR(Status)) {\r
+ goto ErrorExit;\r
+ }\r
+\r
+ return ScsiIo->ExecuteScsiCommand (ScsiIo, CommandPacket, Event);\r
+\r
+ErrorExit:\r
+ if (Context != NULL) {\r
+ FreePool (Context);\r
+ }\r
+\r
+ return Status;\r
+}\r
projects / mirror_edk2.git / blobdiff