MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Bus / Sd / SdBlockIoPei / SdHcMem.h

/** @file\r
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Copyright (c) 2015 - 2017, Intel Corporation. All rights reserved.<BR>\r
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SPDX-License-Identifier: BSD-2-Clause-Patent\r
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**/\r
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#ifndef _SD_PEIM_MEM_H_\r
#define _SD_PEIM_MEM_H_\r
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#define SD_PEIM_MEM_BIT(a)          ((UINTN)(1 << (a)))\r
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#define SD_PEIM_MEM_BIT_IS_SET(Data, Bit)   \\r
          ((BOOLEAN)(((Data) & SD_PEIM_MEM_BIT(Bit)) == SD_PEIM_MEM_BIT(Bit)))\r
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typedef struct _SD_PEIM_MEM_BLOCK SD_PEIM_MEM_BLOCK;\r
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struct _SD_PEIM_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
  SD_PEIM_MEM_BLOCK       *Next;\r
};\r
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typedef struct _SD_PEIM_MEM_POOL {\r
  SD_PEIM_MEM_BLOCK       *Head;\r
} SD_PEIM_MEM_POOL;\r
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//\r
// Memory allocation unit, note that the value must meet SD spec alignment requirement.\r
//\r
#define SD_PEIM_MEM_UNIT           128\r
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#define SD_PEIM_MEM_UNIT_MASK      (SD_PEIM_MEM_UNIT - 1)\r
#define SD_PEIM_MEM_DEFAULT_PAGES  16\r
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#define SD_PEIM_MEM_ROUND(Len)     (((Len) + SD_PEIM_MEM_UNIT_MASK) & (~SD_PEIM_MEM_UNIT_MASK))\r
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//\r
// Advance the byte and bit to the next bit, adjust byte accordingly.\r
//\r
#define SD_PEIM_NEXT_BIT(Byte, Bit)   \\r
          do {                \\r
            (Bit)++;          \\r
            if ((Bit) > 7) {  \\r
              (Byte)++;       \\r
              (Bit) = 0;      \\r
            }                 \\r
          } while (0)\r
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#endif\r
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