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      1 /** @file
      2   Provides the basic interfaces to abstract platform information regarding an
      3   IDE controller.
      4 
      5   Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
      6   This program and the accompanying materials
      7   are licensed and made available under the terms and conditions of the BSD License
      8   which accompanies this distribution.  The full text of the license may be found at
      9   http://opensource.org/licenses/bsd-license.php
     10 
     11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     13 
     14   @par Revision Reference:
     15   This Protocol is defined in UEFI Platform Initialization Specification 1.2
     16   Volume 5: Standards
     17 
     18 **/
     19 
     20 #ifndef __DISK_INFO_H__
     21 #define __DISK_INFO_H__
     22 
     23 ///
     24 /// Global ID for EFI_DISK_INFO_PROTOCOL
     25 ///
     26 #define EFI_DISK_INFO_PROTOCOL_GUID \
     27   { \
     28     0xd432a67f, 0x14dc, 0x484b, {0xb3, 0xbb, 0x3f, 0x2, 0x91, 0x84, 0x93, 0x27 } \
     29   }
     30 
     31 ///
     32 /// Forward declaration for EFI_DISK_INFO_PROTOCOL
     33 ///
     34 typedef struct _EFI_DISK_INFO_PROTOCOL  EFI_DISK_INFO_PROTOCOL;
     35 
     36 ///
     37 /// Global ID for an IDE interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     38 ///
     39 #define EFI_DISK_INFO_IDE_INTERFACE_GUID \
     40   { \
     41     0x5e948fe3, 0x26d3, 0x42b5, {0xaf, 0x17, 0x61, 0x2, 0x87, 0x18, 0x8d, 0xec } \
     42   }
     43 
     44 ///
     45 /// Global ID for a SCSI interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     46 ///
     47 #define EFI_DISK_INFO_SCSI_INTERFACE_GUID \
     48   { \
     49     0x8f74baa, 0xea36, 0x41d9, {0x95, 0x21, 0x21, 0xa7, 0xf, 0x87, 0x80, 0xbc } \
     50   }
     51 
     52 ///
     53 /// Global ID for a USB interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     54 ///
     55 #define EFI_DISK_INFO_USB_INTERFACE_GUID \
     56   { \
     57     0xcb871572, 0xc11a, 0x47b5, {0xb4, 0x92, 0x67, 0x5e, 0xaf, 0xa7, 0x77, 0x27 } \
     58   }
     59 
     60 ///
     61 /// Global ID for an AHCI interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     62 ///
     63 #define EFI_DISK_INFO_AHCI_INTERFACE_GUID \
     64   { \
     65     0x9e498932, 0x4abc, 0x45af, {0xa3, 0x4d, 0x2, 0x47, 0x78, 0x7b, 0xe7, 0xc6 } \
     66   }
     67 
     68 ///
     69 /// Global ID for a NVME interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     70 ///
     71 #define EFI_DISK_INFO_NVME_INTERFACE_GUID \
     72   { \
     73     0x3ab14680, 0x5d3f, 0x4a4d, {0xbc, 0xdc, 0xcc, 0x38, 0x0, 0x18, 0xc7, 0xf7 } \
     74   }
     75 
     76 ///
     77 /// Global ID for a UFS interface.  Used to fill in EFI_DISK_INFO_PROTOCOL.Interface
     78 ///
     79 #define EFI_DISK_INFO_UFS_INTERFACE_GUID \
     80   { \
     81     0x4b3029cc, 0x6b98, 0x47fb, { 0xbc, 0x96, 0x76, 0xdc, 0xb8, 0x4, 0x41, 0xf0 } \
     82   }
     83 
     84 /**
     85   Provides inquiry information for the controller type.
     86 
     87   This function is used by the IDE bus driver to get inquiry data.  Data format
     88   of Identify data is defined by the Interface GUID.
     89 
     90   @param[in]     This              Pointer to the EFI_DISK_INFO_PROTOCOL instance.
     91   @param[in,out] InquiryData       Pointer to a buffer for the inquiry data.
     92   @param[in,out] InquiryDataSize   Pointer to the value for the inquiry data size.
     93 
     94   @retval EFI_SUCCESS            The command was accepted without any errors.
     95   @retval EFI_NOT_FOUND          Device does not support this data class
     96   @retval EFI_DEVICE_ERROR       Error reading InquiryData from device
     97   @retval EFI_BUFFER_TOO_SMALL   InquiryDataSize not big enough
     98 
     99 **/
    100 typedef
    101 EFI_STATUS
    102 (EFIAPI *EFI_DISK_INFO_INQUIRY)(
    103   IN     EFI_DISK_INFO_PROTOCOL  *This,
    104   IN OUT VOID                    *InquiryData,
    105   IN OUT UINT32                  *InquiryDataSize
    106   );
    107 
    108 /**
    109   Provides identify information for the controller type.
    110 
    111   This function is used by the IDE bus driver to get identify data.  Data format
    112   of Identify data is defined by the Interface GUID.
    113 
    114   @param[in]     This               Pointer to the EFI_DISK_INFO_PROTOCOL
    115                                     instance.
    116   @param[in,out] IdentifyData       Pointer to a buffer for the identify data.
    117   @param[in,out] IdentifyDataSize   Pointer to the value for the identify data
    118                                     size.
    119 
    120   @retval EFI_SUCCESS            The command was accepted without any errors.
    121   @retval EFI_NOT_FOUND          Device does not support this data class
    122   @retval EFI_DEVICE_ERROR       Error reading IdentifyData from device
    123   @retval EFI_BUFFER_TOO_SMALL   IdentifyDataSize not big enough
    124 
    125 **/
    126 typedef
    127 EFI_STATUS
    128 (EFIAPI *EFI_DISK_INFO_IDENTIFY)(
    129   IN     EFI_DISK_INFO_PROTOCOL  *This,
    130   IN OUT VOID                    *IdentifyData,
    131   IN OUT UINT32                  *IdentifyDataSize
    132   );
    133 
    134 /**
    135   Provides sense data information for the controller type.
    136 
    137   This function is used by the IDE bus driver to get sense data.
    138   Data format of Sense data is defined by the Interface GUID.
    139 
    140   @param[in]     This              Pointer to the EFI_DISK_INFO_PROTOCOL instance.
    141   @param[in,out] SenseData         Pointer to the SenseData.
    142   @param[in,out] SenseDataSize     Size of SenseData in bytes.
    143   @param[out]    SenseDataNumber   Pointer to the value for the sense data size.
    144 
    145   @retval EFI_SUCCESS            The command was accepted without any errors.
    146   @retval EFI_NOT_FOUND          Device does not support this data class.
    147   @retval EFI_DEVICE_ERROR       Error reading SenseData from device.
    148   @retval EFI_BUFFER_TOO_SMALL   SenseDataSize not big enough.
    149 
    150 **/
    151 typedef
    152 EFI_STATUS
    153 (EFIAPI *EFI_DISK_INFO_SENSE_DATA)(
    154   IN     EFI_DISK_INFO_PROTOCOL  *This,
    155   IN OUT VOID                    *SenseData,
    156   IN OUT UINT32                  *SenseDataSize,
    157   OUT    UINT8                   *SenseDataNumber
    158   );
    159 
    160 /**
    161   This function is used by the IDE bus driver to get controller information.
    162 
    163   @param[in]  This         Pointer to the EFI_DISK_INFO_PROTOCOL instance.
    164   @param[out] IdeChannel   Pointer to the Ide Channel number.  Primary or secondary.
    165   @param[out] IdeDevice    Pointer to the Ide Device number.  Master or slave.
    166 
    167   @retval EFI_SUCCESS       IdeChannel and IdeDevice are valid.
    168   @retval EFI_UNSUPPORTED   This is not an IDE device.
    169 
    170 **/
    171 typedef
    172 EFI_STATUS
    173 (EFIAPI *EFI_DISK_INFO_WHICH_IDE)(
    174   IN  EFI_DISK_INFO_PROTOCOL  *This,
    175   OUT UINT32                  *IdeChannel,
    176   OUT UINT32                  *IdeDevice
    177   );
    178 
    179 ///
    180 /// The EFI_DISK_INFO_PROTOCOL provides controller specific information.
    181 ///
    182 struct _EFI_DISK_INFO_PROTOCOL {
    183   ///
    184   /// A GUID that defines the format of buffers for the other member functions
    185   /// of this protocol.
    186   ///
    187   EFI_GUID                  Interface;
    188   ///
    189   /// Return the results of the Inquiry command to a drive in InquiryData. Data
    190   /// format of Inquiry data is defined by the Interface GUID.
    191   ///
    192   EFI_DISK_INFO_INQUIRY     Inquiry;
    193   ///
    194   /// Return the results of the Identify command to a drive in IdentifyData. Data
    195   /// format of Identify data is defined by the Interface GUID.
    196   ///
    197   EFI_DISK_INFO_IDENTIFY    Identify;
    198   ///
    199   /// Return the results of the Request Sense command to a drive in SenseData. Data
    200   /// format of Sense data is defined by the Interface GUID.
    201   ///
    202   EFI_DISK_INFO_SENSE_DATA  SenseData;
    203   ///
    204   /// Specific controller.
    205   ///
    206   EFI_DISK_INFO_WHICH_IDE   WhichIde;
    207 };
    208 
    209 extern EFI_GUID gEfiDiskInfoProtocolGuid;
    210 
    211 extern EFI_GUID gEfiDiskInfoIdeInterfaceGuid;
    212 extern EFI_GUID gEfiDiskInfoScsiInterfaceGuid;
    213 extern EFI_GUID gEfiDiskInfoUsbInterfaceGuid;
    214 extern EFI_GUID gEfiDiskInfoAhciInterfaceGuid;
    215 extern EFI_GUID gEfiDiskInfoNvmeInterfaceGuid;
    216 extern EFI_GUID gEfiDiskInfoUfsInterfaceGuid;
    217 
    218 #endif
    219