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MdeModulePkg/XhciDxe: Event Ring traverse algorithm enhancement to avoid that those completed async transfer events don't get handled in time and are flushed by newer coming events.

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Signed-off-by: erictian
Reviewed-by: li-elvin


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13145 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian
2012-03-27 12:07:38 +00:00
parent ecc722ad41
commit a50f7c4c09
7 changed files with 2346 additions and 2287 deletions
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8
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.h
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@ -2,7 +2,7 @@
Provides some data structure definitions used by the XHCI host controller driver.
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -71,10 +71,10 @@ typedef struct _USB_DEV_CONTEXT USB_DEV_CONTEXT;
//
#define XHC_TPL TPL_NOTIFY
#define CMD_RING_TRB_NUMBER 0x40
#define TR_RING_TRB_NUMBER 0x40
#define CMD_RING_TRB_NUMBER 0x100
#define TR_RING_TRB_NUMBER 0x100
#define ERST_NUMBER 0x01
#define EVENT_RING_TRB_NUMBER 0x80
#define EVENT_RING_TRB_NUMBER 0x200
#define CMD_INTER 0
#define CTRL_INTER 1