UEFI应用与编程--EFI_DISK_INFO_PROTOCOL

最新推荐文章于 2023-04-25 10:47:10 发布

qyqcs

最新推荐文章于 2023-04-25 10:47:10 发布

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CC 4.0 BY-SA版权

分类专栏： UEFI应用与编程文章标签： edk2 udk uefi bios

本文链接：https://blog.youkuaiyun.com/qyqcs/article/details/79496350

本文详细介绍了UEFI环境下的EFI_DISK_INFO_PROTOCOL，通过DiskList.c源码解析，揭示了如何在EDK2或UDK中进行磁盘信息获取与管理的操作，对BIOS升级和UEFI应用开发具有实践指导意义。

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DiskList.c

#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Protocol/DiskInfo.h>
#include "UefiShellDebug1CommandsLib/UefiShellDebug1CommandsLib.h"

///
/// ATA_IDENTIFY_DATA strictly complies with ATA/ATAPI-8 Spec
/// to define the data returned by an ATA device upon successful
/// completion of the ATA IDENTIFY_DEVICE command.
///
typedef struct {
  UINT16  config;                                  ///< General Configuration.
  UINT16  obsolete_1;
  UINT16  specific_config;                         ///< Specific Configuration.
  UINT16  obsolete_3;
  UINT16  retired_4_5[2];
  UINT16  obsolete_6;
  UINT16  cfa_reserved_7_8[2];
  UINT16  retired_9;
  CHAR8   SerialNo[20];                            ///< word 10~19
  UINT16  retired_20_21[2];
  UINT16  obsolete_22;
  CHAR8   FirmwareVer[8];                          ///< word 23~26
  CHAR8   ModelName[40];                           ///< word 27~46
  UINT16  multi_sector_cmd_max_sct_cnt;
  UINT16  trusted_computing_support;
  UINT16  capabilities_49;
  UINT16  capabilities_50;
  UINT16  obsolete_51_52[2];
  UINT16  field_validity;
  UINT16  obsolete_54_58[5];
  UINT16  multi_sector_setting;
  UINT16  user_addressable_sectors_lo;
  UINT16  user_addressable_sectors_hi;
  UINT16  obsolete_62;
  UINT16  multi_word_dma_mode;
  UINT16  advanced_pio_modes;
  UINT16  min_multi_word_dma_cycle_time;
  UINT16  rec_multi_word_dma_cycle_time;
  UINT16  min_pio_cycle_time_without_flow_control;
  UINT16  min_pio_cycle_time_with_flow_control;
  UINT16  additional_su