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Refine USB Mass Storage Driver.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7247 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24
2009-01-12 07:30:42 +00:00
parent 0c9ee2af3f
commit 3e03cb4d84
11 changed files with 342 additions and 315 deletions
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56
MdeModulePkg/Bus/Usb/UsbMassStorageDxe/UsbMassBoot.h
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@@ -16,6 +16,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef _EFI_USB_MASS_BOOT_H_
#define _EFI_USB_MASS_BOOT_H_
#include "UsbMass.h"
typedef enum {
//
// The opcodes of various USB boot commands:
@@ -226,17 +228,18 @@ typedef struct {
#define USB_BOOT_SENSE_KEY(Key) ((Key) & 0x0f)
/**
Get the parameters for the USB mass storage media, including
the RemovableMedia, block size, and last block number. This
function is used both to initialize the media during the
DriverBindingStart and to re-initialize it when the media is
changed. Althought the RemoveableMedia is unlikely to change,
I include it here.
Get the parameters for the USB mass storage media.
@param UsbMass The device to retireve disk gemotric.
This function get the parameters for the USB mass storage media,
It is used both to initialize the media during the Start() phase
of Driver Binding Protocol and to re-initialize it when the media is
changed. Althought the RemoveableMedia is unlikely to change,
it is also included here.
@param UsbMass The device to retrieve disk gemotric.
@retval EFI_SUCCESS The disk gemotric is successfully retrieved.
@retval Other Get the parameters failed.
@retval Other Failed to get the parameters.
**/
EFI_STATUS
@@ -244,14 +247,12 @@ UsbBootGetParams (
IN USB_MASS_DEVICE *UsbMass
);
/**
Use the TEST UNIT READY command to check whether it is ready.
If it is ready, update the parameters.
Execute TEST UNIT READY command to check if the device is ready.
@param UsbMass The device to test
@retval EFI_SUCCESS The device is ready and parameters are updated.
@retval EFI_SUCCESS The device is ready.
@retval Others Device not ready.
**/
@@ -260,15 +261,13 @@ UsbBootIsUnitReady (
IN USB_MASS_DEVICE *UsbMass
);
/**
Detect whether the removable media is present and whether it has changed.
The Non-removable media doesn't need it.
@param UsbMass The device to retireve disk gemotric.
@param UsbMass The device to check.
@retval EFI_SUCCESS The disk gemotric is successfully retrieved.
@retval Other Decect media fails.
@retval EFI_SUCCESS The media status is successfully checked.
@retval Other Failed to detect media.
**/
EFI_STATUS
@@ -276,7 +275,6 @@ UsbBootDetectMedia (
IN USB_MASS_DEVICE *UsbMass
);
/**
Read some blocks from the device.
@@ -297,14 +295,13 @@ UsbBootReadBlocks (
OUT UINT8 *Buffer
);
/**
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 The buffer to write to
@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
@@ -315,7 +312,24 @@ UsbBootWriteBlocks (
IN USB_MASS_DEVICE *UsbMass,
IN UINT32 Lba,
IN UINTN TotalBlock,
OUT UINT8 *Buffer
IN UINT8 *Buffer
);
/**
Use the USB clear feature control transfer to clear the endpoint stall condition.
@param UsbIo The USB I/O Protocol instance
@param EndpointAddr The endpoint to clear stall for
@retval EFI_SUCCESS The endpoint stall condition is cleared.
@retval Others Failed to clear the endpoint stall condition.
**/
EFI_STATUS
UsbClearEndpointStall (
IN EFI_USB_IO_PROTOCOL *UsbIo,
IN UINT8 EndpointAddr
);
#endif