UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / EhciPei / UsbHcMem.h

/** @file\r
Private Header file for Usb Host Controller PEIM\r
\r
Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r
\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef _EFI_EHCI_MEM_H_\r
#define _EFI_EHCI_MEM_H_\r
\r
#include <Uefi.h>\r
#include <IndustryStandard/Pci22.h>\r
\r
#define USB_HC_BIT(a)  ((UINTN)(1 << (a)))\r
\r
#define USB_HC_BIT_IS_SET(Data, Bit)   \\r
          ((BOOLEAN)(((Data) & USB_HC_BIT(Bit)) == USB_HC_BIT(Bit)))\r
\r
#define USB_HC_HIGH_32BIT(Addr64)    \\r
          ((UINT32)(RShiftU64((UINTN)(Addr64), 32) & 0XFFFFFFFF))\r
\r
typedef struct _USBHC_MEM_BLOCK USBHC_MEM_BLOCK;\r
\r
struct _USBHC_MEM_BLOCK {\r
  UINT8              *Bits;         // Bit array to record which unit is allocated\r
  UINTN              BitsLen;\r
  UINT8              *Buf;\r
  UINT8              *BufHost;\r
  UINTN              BufLen;        // Memory size in bytes\r
  VOID               *Mapping;\r
  USBHC_MEM_BLOCK    *Next;\r
};\r
\r
//\r
// USBHC_MEM_POOL is used to manage the memory used by USB\r
// host controller. EHCI requires the control memory and transfer\r
// data to be on the same 4G memory.\r
//\r
typedef struct _USBHC_MEM_POOL {\r
  BOOLEAN            Check4G;\r
  UINT32             Which4G;\r
  USBHC_MEM_BLOCK    *Head;\r
} USBHC_MEM_POOL;\r
\r
//\r
// Memory allocation unit, must be 2^n, n>4\r
//\r
#define USBHC_MEM_UNIT  64\r
\r
#define USBHC_MEM_UNIT_MASK      (USBHC_MEM_UNIT - 1)\r
#define USBHC_MEM_DEFAULT_PAGES  16\r
\r
#define USBHC_MEM_ROUND(Len)  (((Len) + USBHC_MEM_UNIT_MASK) & (~USBHC_MEM_UNIT_MASK))\r
\r
//\r
// Advance the byte and bit to the next bit, adjust byte accordingly.\r
//\r
#define NEXT_BIT(Byte, Bit)   \\r
          do {                \\r
            (Bit)++;          \\r
            if ((Bit) > 7) {  \\r
              (Byte)++;       \\r
              (Bit) = 0;      \\r
            }                 \\r
          } while (0)\r
\r
/**\r
  Calculate the corresponding pci bus address according to the Mem parameter.\r
\r
  @param  Pool           The memory pool of the host controller.\r
  @param  Mem            The pointer to host memory.\r
  @param  Size           The size of the memory region.\r
\r
  @return the pci memory address\r
**/\r
EFI_PHYSICAL_ADDRESS\r
UsbHcGetPciAddressForHostMem (\r
  IN USBHC_MEM_POOL  *Pool,\r
  IN VOID            *Mem,\r
  IN UINTN           Size\r
  );\r
\r
#endif\r