UsbHcMem.h revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
Private Header file for Usb Host Controller PEIM
Copyright (c) 2010, 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
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _EFI_EHCI_MEM_H_
#define _EFI_EHCI_MEM_H_
#include <Uefi.h>
#include <IndustryStandard/Pci22.h>
#define USB_HC_HIGH_32BIT(Addr64) \
typedef struct _USBHC_MEM_BLOCK USBHC_MEM_BLOCK;
struct _USBHC_MEM_BLOCK {
};
//
// USBHC_MEM_POOL is used to manage the memory used by USB
// host controller. EHCI requires the control memory and transfer
// data to be on the same 4G memory.
//
typedef struct _USBHC_MEM_POOL {
//
// Memory allocation unit, must be 2^n, n>4
//
#define USBHC_MEM_UNIT 64
#define USBHC_MEM_DEFAULT_PAGES 16
//
// Advance the byte and bit to the next bit, adjust byte accordingly.
//
do { \
(Bit)++; \
if ((Bit) > 7) { \
(Byte)++; \
(Bit) = 0; \
} \
} while (0)
#endif