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From: Ruiyu Ni <ruiyu.ni@intel.com>
To: edk2-devel@lists.01.org
Cc: Star Zeng <star.zeng@intel.com>
Subject: [PATCH 01/11] MdeModulePkg/UsbMass: Merge UsbBoot(Read|Write)Blocks(16)
Date: Mon, 15 Oct 2018 14:38:23 +0800	[thread overview]
Message-ID: <20181015063833.61304-2-ruiyu.ni@intel.com> (raw)
In-Reply-To: <20181015063833.61304-1-ruiyu.ni@intel.com>

The change doesn't have functionality impact.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
---
 .../Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c        | 248 +++++----------------
 .../Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h        |  76 ++-----
 .../Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c        |   8 +-
 3 files changed, 80 insertions(+), 252 deletions(-)

diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
index dd5950c54c..581571ab45 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.c
@@ -792,32 +792,34 @@ UsbBootDetectMedia (
 
 
 /**
-  Read some blocks from the device.
+  Read or write some blocks from the device.
 
-  @param  UsbMass                The USB mass storage device to read from
+  @param  UsbMass                The USB mass storage device to access
+  @param  Write                  TRUE for write operation.
   @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to read
-  @param  Buffer                 The buffer to read to
+  @param  TotalBlock             Total block number to read or write
+  @param  Buffer                 The buffer to read to or write from
 
-  @retval EFI_SUCCESS            Data are read into the buffer
-  @retval Others                 Failed to read all the data
+  @retval EFI_SUCCESS            Data are read into the buffer or writen into the device.
+  @retval Others                 Failed to read or write all the data
 
 **/
 EFI_STATUS
-UsbBootReadBlocks (
+UsbBootReadWriteBlocks (
   IN  USB_MASS_DEVICE       *UsbMass,
+  IN  BOOLEAN               Write,
   IN  UINT32                Lba,
   IN  UINTN                 TotalBlock,
-  OUT UINT8                 *Buffer
+  IN OUT UINT8              *Buffer
   )
 {
-  USB_BOOT_READ10_CMD       ReadCmd;
-  EFI_STATUS                Status;
-  UINT16                    Count;
-  UINT16                    CountMax;
-  UINT32                    BlockSize;
-  UINT32                    ByteSize;
-  UINT32                    Timeout;
+  USB_BOOT_READ_WRITE_10_CMD Cmd;
+  EFI_STATUS                 Status;
+  UINT16                     Count;
+  UINT16                     CountMax;
+  UINT32                     BlockSize;
+  UINT32                     ByteSize;
+  UINT32                     Timeout;
 
   BlockSize = UsbMass->BlockIoMedia.BlockSize;
   CountMax = (UINT16)(USB_BOOT_MAX_CARRY_SIZE / BlockSize);
@@ -840,17 +842,17 @@ UsbBootReadBlocks (
     //
     // Fill in the command then execute
     //
-    ZeroMem (&ReadCmd, sizeof (USB_BOOT_READ10_CMD));
+    ZeroMem (&Cmd, sizeof (USB_BOOT_READ_WRITE_10_CMD));
 
-    ReadCmd.OpCode  = USB_BOOT_READ10_OPCODE;
-    ReadCmd.Lun     = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));
-    WriteUnaligned32 ((UINT32 *) ReadCmd.Lba, SwapBytes32 (Lba));
-    WriteUnaligned16 ((UINT16 *) ReadCmd.TransferLen, SwapBytes16 (Count));
+    Cmd.OpCode  = Write ? USB_BOOT_WRITE10_OPCODE : USB_BOOT_READ10_OPCODE;
+    Cmd.Lun     = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));
+    WriteUnaligned32 ((UINT32 *) Cmd.Lba, SwapBytes32 (Lba));
+    WriteUnaligned16 ((UINT16 *) Cmd.TransferLen, SwapBytes16 (Count));
 
     Status = UsbBootExecCmdWithRetry (
                UsbMass,
-               &ReadCmd,
-               (UINT8) sizeof (USB_BOOT_READ10_CMD),
+               &Cmd,
+               (UINT8) sizeof (USB_BOOT_READ_WRITE_10_CMD),
                EfiUsbDataIn,
                Buffer,
                ByteSize,
@@ -859,86 +861,11 @@ UsbBootReadBlocks (
     if (EFI_ERROR (Status)) {
       return Status;
     }
-    DEBUG ((EFI_D_BLKIO, "UsbBootReadBlocks: LBA (0x%x), Blk (0x%x)\n", Lba, Count));
-    Lba        += Count;
-    Buffer     += Count * BlockSize;
-    TotalBlock -= Count;
-  }
-
-  return Status;
-}
-
-
-/**
-  Write some blocks to the device.
-
-  @param  UsbMass                The USB mass storage device to write to
-  @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to write
-  @param  Buffer                 Pointer to the source buffer for the data.
-
-  @retval EFI_SUCCESS            Data are written into the buffer
-  @retval Others                 Failed to write all the data
-
-**/
-EFI_STATUS
-UsbBootWriteBlocks (
-  IN  USB_MASS_DEVICE         *UsbMass,
-  IN  UINT32                  Lba,
-  IN  UINTN                   TotalBlock,
-  IN  UINT8                   *Buffer
-  )
-{
-  USB_BOOT_WRITE10_CMD  WriteCmd;
-  EFI_STATUS            Status;
-  UINT16                Count;
-  UINT16                CountMax;
-  UINT32                BlockSize;
-  UINT32                ByteSize;
-  UINT32                Timeout;
-
-  BlockSize = UsbMass->BlockIoMedia.BlockSize;
-  CountMax = (UINT16)(USB_BOOT_MAX_CARRY_SIZE / BlockSize);
-  Status    = EFI_SUCCESS;
-
-  while (TotalBlock > 0) {
-    //
-    // Split the total blocks into smaller pieces to ease the pressure
-    // on the device. We must split the total block because the WRITE10
-    // command only has 16 bit transfer length (in the unit of block).
-    //
-    Count     = (UINT16)((TotalBlock < CountMax) ? TotalBlock : CountMax);
-    ByteSize  = (UINT32)Count * BlockSize;
-
-    //
-    // USB command's upper limit timeout is 5s. [USB2.0-9.2.6.1]
-    //
-    Timeout = (UINT32) USB_BOOT_GENERAL_CMD_TIMEOUT;
-
-    //
-    // Fill in the write10 command block
-    //
-    ZeroMem (&WriteCmd, sizeof (USB_BOOT_WRITE10_CMD));
-
-    WriteCmd.OpCode = USB_BOOT_WRITE10_OPCODE;
-    WriteCmd.Lun    = (UINT8) (USB_BOOT_LUN (UsbMass->Lun));
-    WriteUnaligned32 ((UINT32 *) WriteCmd.Lba, SwapBytes32 (Lba));
-    WriteUnaligned16 ((UINT16 *) WriteCmd.TransferLen, SwapBytes16 (Count));
-
-    Status = UsbBootExecCmdWithRetry (
-               UsbMass,
-               &WriteCmd,
-               (UINT8) sizeof (USB_BOOT_WRITE10_CMD),
-               EfiUsbDataOut,
-               Buffer,
-               ByteSize,
-               Timeout
-               );
-    if (EFI_ERROR (Status)) {
-      return Status;
-    }
-    DEBUG ((EFI_D_BLKIO, "UsbBootWriteBlocks: LBA (0x%x), Blk (0x%x)\n", Lba, Count));
-
+    DEBUG ((
+      DEBUG_BLKIO, "UsbBoot%sBlocks: LBA (0x%lx), Blk (0x%x)\n",
+      Write ? L"Write" : L"Read",
+      Lba, Count
+      ));
     Lba        += Count;
     Buffer     += Count * BlockSize;
     TotalBlock -= Count;
@@ -948,26 +875,27 @@ UsbBootWriteBlocks (
 }
 
 /**
-  Read some blocks from the device by SCSI 16 byte cmd.
+  Read or write some blocks from the device by SCSI 16 byte cmd
 
-  @param  UsbMass                The USB mass storage device to read from
+  @param  UsbMass                The USB mass storage device to access
+  @param  Write                  TRUE for write operation.
   @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to read
-  @param  Buffer                 The buffer to read to
-
-  @retval EFI_SUCCESS            Data are read into the buffer
-  @retval Others                 Failed to read all the data
+  @param  TotalBlock             Total block number to read or write
+  @param  Buffer                 The buffer to read to or write from
 
+  @retval EFI_SUCCESS            Data are read into the buffer or writen into the device.
+  @retval Others                 Failed to read or write all the data
 **/
 EFI_STATUS
-UsbBootReadBlocks16 (
+UsbBootReadWriteBlocks16 (
   IN  USB_MASS_DEVICE       *UsbMass,
+  IN  BOOLEAN               Write,
   IN  UINT64                Lba,
   IN  UINTN                 TotalBlock,
-  OUT UINT8                 *Buffer
+  IN OUT UINT8              *Buffer
   )
 {
-  UINT8                     ReadCmd[16];
+  UINT8                     Cmd[16];
   EFI_STATUS                Status;
   UINT16                    Count;
   UINT16                    CountMax;
@@ -994,17 +922,17 @@ UsbBootReadBlocks16 (
     //
     // Fill in the command then execute
     //
-    ZeroMem (ReadCmd, sizeof (ReadCmd));
+    ZeroMem (Cmd, sizeof (Cmd));
 
-    ReadCmd[0]  = EFI_SCSI_OP_READ16;
-    ReadCmd[1]  = (UINT8) ((USB_BOOT_LUN (UsbMass->Lun) & 0xE0));
-    WriteUnaligned64 ((UINT64 *) &ReadCmd[2], SwapBytes64 (Lba));
-    WriteUnaligned32 ((UINT32 *) &ReadCmd[10], SwapBytes32 (Count));
+    Cmd[0]  = Write ? EFI_SCSI_OP_WRITE16 : EFI_SCSI_OP_READ16;
+    Cmd[1]  = (UINT8) ((USB_BOOT_LUN (UsbMass->Lun) & 0xE0));
+    WriteUnaligned64 ((UINT64 *) &Cmd[2], SwapBytes64 (Lba));
+    WriteUnaligned32 ((UINT32 *) &Cmd[10], SwapBytes32 (Count));
 
     Status = UsbBootExecCmdWithRetry (
                UsbMass,
-               ReadCmd,
-               (UINT8) sizeof (ReadCmd),
+               Cmd,
+               (UINT8) sizeof (Cmd),
                EfiUsbDataIn,
                Buffer,
                ByteSize,
@@ -1013,83 +941,11 @@ UsbBootReadBlocks16 (
     if (EFI_ERROR (Status)) {
       return Status;
     }
-    DEBUG ((EFI_D_BLKIO, "UsbBootReadBlocks16: LBA (0x%lx), Blk (0x%x)\n", Lba, Count));
-    Lba        += Count;
-    Buffer     += Count * BlockSize;
-    TotalBlock -= Count;
-  }
-
-  return Status;
-}
-
-
-/**
-  Write some blocks to the device by SCSI 16 byte cmd.
-
-  @param  UsbMass                The USB mass storage device to write to
-  @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to write
-  @param  Buffer                 Pointer to the source buffer for the data.
-
-  @retval EFI_SUCCESS            Data are written into the buffer
-  @retval Others                 Failed to write all the data
-
-**/
-EFI_STATUS
-UsbBootWriteBlocks16 (
-  IN  USB_MASS_DEVICE         *UsbMass,
-  IN  UINT64                  Lba,
-  IN  UINTN                   TotalBlock,
-  IN  UINT8                   *Buffer
-  )
-{
-  UINT8                 WriteCmd[16];
-  EFI_STATUS            Status;
-  UINT16                Count;
-  UINT16                CountMax;
-  UINT32                BlockSize;
-  UINT32                ByteSize;
-  UINT32                Timeout;
-
-  BlockSize = UsbMass->BlockIoMedia.BlockSize;
-  CountMax = (UINT16)(USB_BOOT_MAX_CARRY_SIZE / BlockSize);
-  Status    = EFI_SUCCESS;
-
-  while (TotalBlock > 0) {
-    //
-    // Split the total blocks into smaller pieces.
-    //
-    Count     = (UINT16)((TotalBlock < CountMax) ? TotalBlock : CountMax);
-    ByteSize  = (UINT32)Count * BlockSize;
-
-    //
-    // USB command's upper limit timeout is 5s. [USB2.0-9.2.6.1]
-    //
-    Timeout = (UINT32) USB_BOOT_GENERAL_CMD_TIMEOUT;
-
-    //
-    // Fill in the write16 command block
-    //
-    ZeroMem (WriteCmd, sizeof (WriteCmd));
-
-    WriteCmd[0]  = EFI_SCSI_OP_WRITE16;
-    WriteCmd[1]  = (UINT8) ((USB_BOOT_LUN (UsbMass->Lun) & 0xE0));
-    WriteUnaligned64 ((UINT64 *) &WriteCmd[2], SwapBytes64 (Lba));
-    WriteUnaligned32 ((UINT32 *) &WriteCmd[10], SwapBytes32 (Count));
-
-    Status = UsbBootExecCmdWithRetry (
-               UsbMass,
-               WriteCmd,
-               (UINT8) sizeof (WriteCmd),
-               EfiUsbDataOut,
-               Buffer,
-               ByteSize,
-               Timeout
-               );
-    if (EFI_ERROR (Status)) {
-      return Status;
-    }
-    DEBUG ((EFI_D_BLKIO, "UsbBootWriteBlocks: LBA (0x%lx), Blk (0x%x)\n", Lba, Count));
+    DEBUG ((
+      DEBUG_BLKIO, "UsbBoot%sBlocks16: LBA (0x%lx), Blk (0x%x)\n",
+      Write ? L"Write" : L"Read",
+      Lba, Count
+      ));
     Lba        += Count;
     Buffer     += Count * BlockSize;
     TotalBlock -= Count;
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h
index d4042e320d..3f8213b3d7 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h
@@ -161,17 +161,7 @@ typedef struct {
   UINT8             TransferLen[2]; ///< Transfer length
   UINT8             Reserverd1;
   UINT8             Pad[2];
-} USB_BOOT_READ10_CMD;
-
-typedef struct {
-  UINT8             OpCode;
-  UINT8             Lun;
-  UINT8             Lba[4];
-  UINT8             Reserved0;
-  UINT8             TransferLen[2];
-  UINT8             Reserverd1;
-  UINT8             Pad[2];
-} USB_BOOT_WRITE10_CMD;
+} USB_BOOT_READ_WRITE_10_CMD;
 
 typedef struct {
   UINT8             OpCode;
@@ -292,66 +282,48 @@ UsbBootReadBlocks (
   );
 
 /**
-  Write some blocks to the device.
+  Read or write some blocks from the device.
 
-  @param  UsbMass                The USB mass storage device to write to
+  @param  UsbMass                The USB mass storage device to access
+  @param  Write                  TRUE for write operation.
   @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to write
-  @param  Buffer                 Pointer to the source buffer for the data.
+  @param  TotalBlock             Total block number to read or write
+  @param  Buffer                 The buffer to read to or write from
 
-  @retval EFI_SUCCESS            Data are written into the buffer
-  @retval Others                 Failed to write all the data
+  @retval EFI_SUCCESS            Data are read into the buffer or writen into the device.
+  @retval Others                 Failed to read or write all the data
 
 **/
 EFI_STATUS
-UsbBootWriteBlocks (
-  IN  USB_MASS_DEVICE         *UsbMass,
-  IN  UINT32                  Lba,
-  IN  UINTN                   TotalBlock,
-  IN  UINT8                   *Buffer
+UsbBootReadWriteBlocks (
+  IN  USB_MASS_DEVICE       *UsbMass,
+  IN  BOOLEAN               Write,
+  IN  UINT32                Lba,
+  IN  UINTN                 TotalBlock,
+  IN OUT UINT8              *Buffer
   );
 
 /**
-  Read some blocks from the device by SCSI 16 byte cmd.
+  Read or write some blocks from the device by SCSI 16 byte cmd
 
-  @param  UsbMass                The USB mass storage device to read from
+  @param  UsbMass                The USB mass storage device to access
+  @param  Write                  TRUE for write operation.
   @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to read
-  @param  Buffer                 The buffer to read to
-
-  @retval EFI_SUCCESS            Data are read into the buffer
-  @retval Others                 Failed to read all the data
+  @param  TotalBlock             Total block number to read or write
+  @param  Buffer                 The buffer to read to or write from
 
+  @retval EFI_SUCCESS            Data are read into the buffer or writen into the device.
+  @retval Others                 Failed to read or write all the data
 **/
 EFI_STATUS
-UsbBootReadBlocks16 (
+UsbBootReadWriteBlocks16 (
   IN  USB_MASS_DEVICE       *UsbMass,
+  IN  BOOLEAN               Write,
   IN  UINT64                Lba,
   IN  UINTN                 TotalBlock,
-  OUT UINT8                 *Buffer
+  IN OUT UINT8              *Buffer
   );
 
-/**
-  Write some blocks to the device by SCSI 16 byte cmd.
-
-  @param  UsbMass                The USB mass storage device to write to
-  @param  Lba                    The start block number
-  @param  TotalBlock             Total block number to write
-  @param  Buffer                 Pointer to the source buffer for the data.
-
-  @retval EFI_SUCCESS            Data are written into the buffer
-  @retval Others                 Failed to write all the data
-
-**/
-EFI_STATUS
-UsbBootWriteBlocks16 (
-  IN  USB_MASS_DEVICE         *UsbMass,
-  IN  UINT64                  Lba,
-  IN  UINTN                   TotalBlock,
-  IN  UINT8                   *Buffer
-  );
-
-
 /**
   Use the USB clear feature control transfer to clear the endpoint stall condition.
 
diff --git a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c
index 62bf3c5883..9413b00680 100644
--- a/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c
+++ b/MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassImpl.c
@@ -172,9 +172,9 @@ UsbMassReadBlocks (
   }
 
   if (UsbMass->Cdb16Byte) {
-    Status = UsbBootReadBlocks16 (UsbMass, Lba, TotalBlock, Buffer);
+    Status = UsbBootReadWriteBlocks16 (UsbMass, FALSE, Lba, TotalBlock, Buffer);
   } else {
-    Status = UsbBootReadBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
+    Status = UsbBootReadWriteBlocks (UsbMass, FALSE, (UINT32) Lba, TotalBlock, Buffer);
   }
 
   if (EFI_ERROR (Status)) {
@@ -292,9 +292,9 @@ UsbMassWriteBlocks (
   // and clear the status should the write succeed.
   //
   if (UsbMass->Cdb16Byte) {
-    Status = UsbBootWriteBlocks16 (UsbMass, Lba, TotalBlock, Buffer);
+    Status = UsbBootReadWriteBlocks16 (UsbMass, TRUE, Lba, TotalBlock, Buffer);
   } else {
-    Status = UsbBootWriteBlocks (UsbMass, (UINT32) Lba, TotalBlock, Buffer);
+    Status = UsbBootReadWriteBlocks (UsbMass, TRUE, (UINT32) Lba, TotalBlock, Buffer);
   }
 
   if (EFI_ERROR (Status)) {
-- 
2.16.1.windows.1



  reply	other threads:[~2018-10-15  6:37 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-15  6:38 [PATCH 00/11] Need to validate data from HW Ruiyu Ni
2018-10-15  6:38 ` Ruiyu Ni [this message]
2018-10-16  3:06   ` [PATCH 01/11] MdeModulePkg/UsbMass: Merge UsbBoot(Read|Write)Blocks(16) Zeng, Star
2018-10-15  6:38 ` [PATCH 02/11] MdeModulePkg/UsbMass: Fix integer overflow when BlockSize is 1 Ruiyu Ni
2018-10-16  3:19   ` Zeng, Star
2018-10-16  3:32     ` Ni, Ruiyu
2018-10-15  6:38 ` [PATCH 03/11] MdeModulePkg/UsbBus: Fix out-of-bound read access to descriptors Ruiyu Ni
2018-10-16  3:38   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 04/11] MdeModulePkg/UsbBus: Reject descriptor whose length is bad Ruiyu Ni
2018-10-16  3:42   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 05/11] MdeModulePkg/Usb: Make sure data from HW is no more than expected Ruiyu Ni
2018-10-15 11:29   ` Wu, Hao A
2018-10-16  4:26   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 06/11] SourceLevelDebugPkg/Usb3: Make sure data from HW can fit in buffer Ruiyu Ni
2018-10-15 11:31   ` Wu, Hao A
2018-10-15  6:38 ` [PATCH 07/11] MdeModulePkg/UsbKb: Don't access key codes when length is wrong Ruiyu Ni
2018-10-16  4:52   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 08/11] MdeModulePkg/AbsPointer: " Ruiyu Ni
2018-10-16  5:01   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 09/11] MdeModulePkg/UsbMouse: " Ruiyu Ni
2018-10-16  5:03   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 10/11] MdeModulePkg/UsbBus: Deny when the string descriptor length is odd Ruiyu Ni
2018-10-16  5:11   ` Zeng, Star
2018-10-15  6:38 ` [PATCH 11/11] MdeModulePkg/Bus/Ufs: Ensure device not return more data than expected Ruiyu Ni
2018-10-16  5:27   ` Zeng, Star

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