ceph/src/pmdk/src/libpmem2/auto_flush_windows.h

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2 /* Copyright 2018-2020, Intel Corporation */
   3
   4 #ifndef PMEM2_AUTO_FLUSH_WINDOWS_H
   5 #define PMEM2_AUTO_FLUSH_WINDOWS_H 1
   6
   7 #define ACPI_SIGNATURE 0x41435049 /* hex value of ACPI signature */
   8 #define NFIT_REV_SIGNATURE 0x5449464e /* hex value of htonl(NFIT) signature */
   9 #define NFIT_STR_SIGNATURE "NFIT"
  10
  11 #define NFIT_SIGNATURE_LEN 4
  12 #define NFIT_OEM_ID_LEN 6
  13 #define NFIT_OEM_TABLE_ID_LEN 8
  14 #define NFIT_MAX_STRUCTURES 8
  15
  16 #define PCS_RESERVED 3
  17 #define PCS_RESERVED_2 4
  18 #define PCS_TYPE_NUMBER 7
  19
  20 /* check if bit on 'bit' position in number 'num' is set */
  21 #define CHECK_BIT(num, bit) (((num) >> (bit)) & 1)
  22 /*
  23  * sets alignment of members of structure
  24  */
  25 #pragma pack(1)
  26 struct platform_capabilities
  27 {
  28         uint16_t type;
  29         uint16_t length;
  30         uint8_t highest_valid;
  31         uint8_t reserved[PCS_RESERVED];
  32         uint32_t capabilities;
  33         uint8_t reserved2[PCS_RESERVED_2];
  34 };
  35
  36 struct nfit_header
  37 {
  38         uint8_t signature[NFIT_SIGNATURE_LEN];
  39         uint32_t length;
  40         uint8_t revision;
  41         uint8_t checksum;
  42         uint8_t oem_id[NFIT_OEM_ID_LEN];
  43         uint8_t oem_table_id[NFIT_OEM_TABLE_ID_LEN];
  44         uint32_t oem_revision;
  45         uint8_t creator_id[4];
  46         uint32_t creator_revision;
  47         uint32_t reserved;
  48 };
  49 #pragma pack()
  50 #endif