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MdeModulePkg/Usb: Boost the r/w performance by reducing stall time on polling cmd execution status

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Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14442 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian
2013-06-24 03:03:55 +00:00
committed by erictian
parent 22feb630eb
commit ca24313165
13 changed files with 104 additions and 38 deletions
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10
MdeModulePkg/Include/Ppi/UsbHostController.h
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@ -5,7 +5,7 @@
Refer to section 16.1 of the UEFI 2.3 Specification for more information on
these interfaces.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions
@ -61,7 +61,10 @@ typedef struct _PEI_USB_HOST_CONTROLLER_PPI PEI_USB_HOST_CONTROLLER_PPI;
On output, indicates the amount of data
actually transferred.
@param[in] TimeOut Indicates the maximum time, in milliseconds,
that the transfer is allowed to complete.
that the transfer is allowed to complete.
If Timeout is 0, then the caller must wait for
the function to be completed until EFI_SUCCESS
or EFI_DEVICE_ERROR is returned.
@param[out] TransferResult A pointer to the detailed result information
generated by this control transfer.
@ -107,6 +110,9 @@ EFI_STATUS
@param[in,out] DataToggle A pointer to the data toggle value.
@param[in] TimeOut Indicates the maximum time, in milliseconds,
in which the transfer is allowed to complete.
If Timeout is 0, then the caller must wait for
the function to be completed until EFI_SUCCESS
or EFI_DEVICE_ERROR is returned.
@param[out] TransferResult A pointer to the detailed result information
of the bulk transfer.