mirror of https://github.com/acidanthera/audk.git
If SCSI version support Read/Write (16) command, use both commands to access disk especially for above 2TB.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10550 6f19259b-4bc3-4df7-8a09-765794883524
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@ -1591,7 +1591,6 @@ ScsiDiskReadSectors (
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)
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{
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UINTN BlocksRemaining;
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UINT32 Lba32;
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UINT8 *PtrBuffer;
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UINT32 BlockSize;
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UINT32 ByteCount;
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@ -1604,6 +1603,7 @@ ScsiDiskReadSectors (
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BOOLEAN NeedRetry;
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EFI_SCSI_SENSE_DATA *SenseData;
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UINTN NumberOfSenseKeys;
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UINT8 ScsiVersion;
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SenseData = NULL;
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NumberOfSenseKeys = 0;
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@ -1612,21 +1612,28 @@ ScsiDiskReadSectors (
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BlocksRemaining = NumberOfBlocks;
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BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;
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ScsiVersion = (UINT8)(ScsiDiskDevice->InquiryData.Version & 0x03);
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//
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// limit the data bytes that can be transferred by one Read(10) Command
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// limit the data bytes that can be transferred by one Read(10) or Read(16) Command
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//
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MaxBlock = 65536;
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if (ScsiVersion < SCSI_COMMAND_VERSION_3) {
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MaxBlock = 65535;
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} else {
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MaxBlock = 4294967295;
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}
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PtrBuffer = Buffer;
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Lba32 = (UINT32) Lba;
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while (BlocksRemaining > 0) {
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if (BlocksRemaining <= MaxBlock) {
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SectorCount = (UINT16) BlocksRemaining;
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if (ScsiVersion < SCSI_COMMAND_VERSION_3) {
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SectorCount = (UINT16) BlocksRemaining;
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} else {
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SectorCount = (UINT32) BlocksRemaining;
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}
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} else {
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SectorCount = MaxBlock;
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}
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@ -1635,18 +1642,31 @@ ScsiDiskReadSectors (
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MaxRetry = 2;
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for (Index = 0; Index < MaxRetry; Index++) {
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Status = ScsiDiskRead10 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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Lba32,
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SectorCount
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);
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if (ScsiVersion >= SCSI_COMMAND_VERSION_3) {
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Status = ScsiDiskRead16 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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Lba,
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SectorCount
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);
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} else {
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Status = ScsiDiskRead10 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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(UINT32) Lba,
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SectorCount
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);
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}
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if (!EFI_ERROR (Status)) {
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break;
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}
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@ -1666,7 +1686,7 @@ ScsiDiskReadSectors (
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//
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SectorCount = ByteCount / BlockSize;
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Lba32 += SectorCount;
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Lba += SectorCount;
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PtrBuffer = PtrBuffer + SectorCount * BlockSize;
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BlocksRemaining -= SectorCount;
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}
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@ -1695,7 +1715,6 @@ ScsiDiskWriteSectors (
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)
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{
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UINTN BlocksRemaining;
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UINT32 Lba32;
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UINT8 *PtrBuffer;
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UINT32 BlockSize;
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UINT32 ByteCount;
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@ -1708,6 +1727,7 @@ ScsiDiskWriteSectors (
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BOOLEAN NeedRetry;
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EFI_SCSI_SENSE_DATA *SenseData;
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UINTN NumberOfSenseKeys;
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UINT8 ScsiVersion;
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SenseData = NULL;
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NumberOfSenseKeys = 0;
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@ -1716,21 +1736,28 @@ ScsiDiskWriteSectors (
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BlocksRemaining = NumberOfBlocks;
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BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;
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ScsiVersion = (UINT8)(ScsiDiskDevice->InquiryData.Version & 0x03);
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//
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// limit the data bytes that can be transferred by one Write(10) Command
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// limit the data bytes that can be transferred by one Read(10) or Read(16) Command
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//
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MaxBlock = 65536;
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if (ScsiVersion < SCSI_COMMAND_VERSION_3) {
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MaxBlock = 65535;
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} else {
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MaxBlock = 4294967295;
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}
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PtrBuffer = Buffer;
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Lba32 = (UINT32) Lba;
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while (BlocksRemaining > 0) {
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if (BlocksRemaining <= MaxBlock) {
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SectorCount = (UINT16) BlocksRemaining;
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if (ScsiVersion < SCSI_COMMAND_VERSION_3) {
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SectorCount = (UINT16) BlocksRemaining;
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} else {
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SectorCount = (UINT32) BlocksRemaining;
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}
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} else {
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SectorCount = MaxBlock;
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}
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@ -1738,17 +1765,31 @@ ScsiDiskWriteSectors (
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Timeout = EFI_TIMER_PERIOD_SECONDS (2);
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MaxRetry = 2;
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for (Index = 0; Index < MaxRetry; Index++) {
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Status = ScsiDiskWrite10 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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Lba32,
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SectorCount
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);
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if (ScsiVersion >= SCSI_COMMAND_VERSION_3) {
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Status = ScsiDiskWrite16 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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Lba,
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SectorCount
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);
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} else {
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Status = ScsiDiskWrite10 (
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ScsiDiskDevice,
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&NeedRetry,
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&SenseData,
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&NumberOfSenseKeys,
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Timeout,
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PtrBuffer,
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&ByteCount,
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(UINT32) Lba,
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SectorCount
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);
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}
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if (!EFI_ERROR (Status)) {
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break;
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}
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@ -1766,7 +1807,7 @@ ScsiDiskWriteSectors (
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//
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SectorCount = ByteCount / BlockSize;
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Lba32 += SectorCount;
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Lba += SectorCount;
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PtrBuffer = PtrBuffer + SectorCount * BlockSize;
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BlocksRemaining -= SectorCount;
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}
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@ -1776,7 +1817,7 @@ ScsiDiskWriteSectors (
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/**
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Submit Read command.
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Submit Read(10) command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@ -1828,7 +1869,7 @@ ScsiDiskRead10 (
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/**
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Submit Write Command.
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Submit Write(10) Command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@ -1880,6 +1921,111 @@ ScsiDiskWrite10 (
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}
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/**
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Submit Read(16) command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@param SenseDataArray NOT used yet in this function
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@param NumberOfSenseKeys The number of sense key
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@param Timeout The time to complete the command
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@param DataBuffer The buffer to fill with the read out data
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@param DataLength The length of buffer
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@param StartLba The start logic block address
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@param SectorSize The size of sector
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@return EFI_STATUS is returned by calling ScsiRead10Command().
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**/
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EFI_STATUS
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ScsiDiskRead16 (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
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OUT UINTN *NumberOfSenseKeys,
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IN UINT64 Timeout,
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OUT UINT8 *DataBuffer,
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IN OUT UINT32 *DataLength,
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IN UINT64 StartLba,
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IN UINT32 SectorSize
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)
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{
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UINT8 SenseDataLength;
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EFI_STATUS Status;
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UINT8 HostAdapterStatus;
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UINT8 TargetStatus;
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*NeedRetry = FALSE;
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*NumberOfSenseKeys = 0;
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SenseDataLength = 0;
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Status = ScsiRead16Command (
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ScsiDiskDevice->ScsiIo,
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Timeout,
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NULL,
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&SenseDataLength,
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&HostAdapterStatus,
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&TargetStatus,
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DataBuffer,
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DataLength,
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StartLba,
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SectorSize
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);
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return Status;
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}
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/**
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Submit Write(16) Command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@param SenseDataArray NOT used yet in this function
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@param NumberOfSenseKeys The number of sense key
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@param Timeout The time to complete the command
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@param DataBuffer The buffer to fill with the read out data
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@param DataLength The length of buffer
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@param StartLba The start logic block address
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@param SectorSize The size of sector
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@return EFI_STATUS is returned by calling ScsiWrite10Command().
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**/
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EFI_STATUS
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ScsiDiskWrite16 (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
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OUT UINTN *NumberOfSenseKeys,
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IN UINT64 Timeout,
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IN UINT8 *DataBuffer,
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IN OUT UINT32 *DataLength,
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IN UINT64 StartLba,
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IN UINT32 SectorSize
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)
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{
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EFI_STATUS Status;
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UINT8 SenseDataLength;
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UINT8 HostAdapterStatus;
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UINT8 TargetStatus;
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*NeedRetry = FALSE;
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*NumberOfSenseKeys = 0;
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SenseDataLength = 0;
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Status = ScsiWrite16Command (
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ScsiDiskDevice->ScsiIo,
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Timeout,
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NULL,
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&SenseDataLength,
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&HostAdapterStatus,
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&TargetStatus,
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DataBuffer,
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DataLength,
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StartLba,
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SectorSize
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);
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return Status;
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}
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/**
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Check sense key to find if media presents.
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@ -764,6 +764,63 @@ ScsiDiskWrite10 (
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IN UINT32 SectorSize
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);
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/**
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Submit Read(16) command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@param SenseDataArray NOT used yet in this function
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@param NumberOfSenseKeys The number of sense key
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@param Timeout The time to complete the command
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@param DataBuffer The buffer to fill with the read out data
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@param DataLength The length of buffer
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@param StartLba The start logic block address
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@param SectorSize The size of sector
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@return EFI_STATUS is returned by calling ScsiRead10Command().
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**/
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EFI_STATUS
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ScsiDiskRead16 (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
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OUT UINTN *NumberOfSenseKeys,
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IN UINT64 Timeout,
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OUT UINT8 *DataBuffer,
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IN OUT UINT32 *DataLength,
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IN UINT64 StartLba,
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IN UINT32 SectorSize
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);
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/**
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Submit Write(16) Command.
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@param ScsiDiskDevice The pointer of ScsiDiskDevice
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@param NeedRetry The pointer of flag indicates if needs retry if error happens
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@param SenseDataArray NOT used yet in this function
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@param NumberOfSenseKeys The number of sense key
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@param Timeout The time to complete the command
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@param DataBuffer The buffer to fill with the read out data
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@param DataLength The length of buffer
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@param StartLba The start logic block address
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@param SectorSize The size of sector
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@return EFI_STATUS is returned by calling ScsiWrite10Command().
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**/
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EFI_STATUS
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ScsiDiskWrite16 (
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IN SCSI_DISK_DEV *ScsiDiskDevice,
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OUT BOOLEAN *NeedRetry,
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OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL
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OUT UINTN *NumberOfSenseKeys,
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IN UINT64 Timeout,
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IN UINT8 *DataBuffer,
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IN OUT UINT32 *DataLength,
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IN UINT64 StartLba,
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IN UINT32 SectorSize
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);
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/**
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Get information from media read capacity command.
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