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