"MIPI Unipro v2.0规范：UFS 4.0最新规范"

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The MIPI Unipro Spec v2.0 is the latest specification developed by the MIPI Alliance, Inc. It is specifically designed for use with UFS 4.0 and provides a confidential specification for the Unified Protocol (UniPro®) Version 2.0. This specification, which was adopted by the MIPI Board on 15th June 2022, is subject to the rights and obligations defined in the MIPI Membership Agreement and MIPI Bylaws for MIPI member companies. The UniPro v2.0 Specification serves as a feature update that follows the UniPro v1.8 specification and includes a range of enhancements and improvements. These updates are aimed at further advancing the efficiency, speed, and capabilities of the UniPro protocol, providing a comprehensive and reliable solution for UFS 4.0 implementation. In order to adhere to the MIPI Unipro Spec v2.0, implementers need to be aware of the caution outlined in the document. It is important for implementers to understand that this document is a MIPI Specification, and as such, they are required to comply with the rights and obligations set forth by the MIPI Membership Agreement and MIPI Bylaws. This ensures that the UniPro v2.0 Specification is implemented in accordance with the standards and guidelines established by the MIPI Alliance. Overall, the MIPI Unipro Spec v2.0 represents a significant advancement in the development of the UniPro protocol for UFS 4.0. With its confidential specification and feature updates, it provides a robust and reliable solution for implementing UniPro in accordance with the latest industry standards. As such, it is a valuable resource for companies and developers looking to leverage the benefits of UFS 4.0 and the UniPro protocol in their products and systems.

Specification for UniPro  Version 2.0
  19-Feb-2022 
xiv  Copyright © 2007–2022 MIPI Alliance, Inc. 
  All rights reserved. 
  Confidential 
Figure 153 Multiplexed CPort Signal Interface Example ............................................................ 391 
Figure 154 Transmitter Data Transfer Example for Multiplexed CPort Signal Interface ............ 398 
Figure 155 Transmission of a Message as Multiple Fragments ................................................... 399 
Figure 156 Receiver Data Transfer Example ............................................................................... 400 
Figure 157 Flow Control Credit Transfer Example ...................................................................... 401 
Figure 158 Top Level Non-multiplexed CPort Signal Interface Diagram .................................... 402 
Figure 159 Non-Multiplexed CPort Signal Interface Example .................................................... 403 
Figure 160 Example of Data Transmitted Simultaneously From Two CPorts ............................. 408 
Figure 161 Example of Data Transmitted from One CPort at a Time .......................................... 409 

Version 2.0  Specification for UniPro 
19-Feb-2022 
  Copyright © 2007–2022 MIPI Alliance, Inc.  xv 
  All rights reserved. 
  Confidential 
Tables 
Table 1 PA_SAP Data Transfer Primitives ..................................................................................... 36 
Table 2 PA_SAP Data Transfer Primitive Parameters .................................................................... 36 
Table 3 PA_SAP Control Primitives ............................................................................................... 40 
Table 4 PA_SAP Control Primitive Parameters.............................................................................. 40 
Table 5 PA_SAP Status Primitive ................................................................................................... 44 
Table 6 PA_SAP Status Primitive Parameters ................................................................................ 44 
Table 7 PA_LM Configuration Primitives ...................................................................................... 45 
Table 8 Configuration Primitive Parameters .................................................................................. 46 
Table 9 PowerChangeResultCode Values ....................................................................................... 47 
Table 10 PA_LM Control Primitives .............................................................................................. 54 
Table 11 PA_LM Control Primitive Parameters ............................................................................. 54 
Table 12 UniPro Power Modes ....................................................................................................... 67 
Table 13 Link Startup Sequence for ResetMode=LS_MODE ....................................................... 71 
Table 14 Link Startup Sequence for ResetMode=HS_MODE ....................................................... 72 
Table 15 UniPro Power State to M-PHY State Mapping ............................................................... 86 
Table 16 TRG_UPR0 Mapping ...................................................................................................... 87 
Table 17 TRG_UPR1 Mapping Examples (Informative) ............................................................... 88 
Table 18 PACP Functions ............................................................................................................... 89 
Table 19 PACP_PWR_cnf Status Values........................................................................................ 93 
Table 20 PHY Test Pattern PACP Frames .................................................................................... 148 
Table 21 CJTPAT Test Patterns .................................................................................................... 149 
Table 22 CRPAT Test Pattern PA Symbols ................................................................................... 150 
Table 23 Lane-to-Lane Skew Values for an M-PHY-Based Physical Layer ................................ 151 
Table 24 PHY Adapter Protocol Constants .................................................................................. 153 
Table 25 PHY Adapter (gettable, settable) Common Attributes ................................................... 153 
Table 26 PHY Adapter (gettable, static) Common Attributes ...................................................... 154 
Table 27 PHY Adapter (gettable, dynamic) Common Attributes ................................................. 154 
Table 28 PHY Adapter (gettable, dynamic) M-PHY-Specific Attributes ..................................... 155 
Table 29 PHY Adapter (gettable, settable) M-PHY-Specific Attributes ....................................... 155 
Table 30 DL_TCx_SAP Data Transfer Primitives ....................................................................... 166 
Table 31 DL_TCx_SAP Primitive Parameters ............................................................................. 166 

Specification for UniPro  Version 2.0
  19-Feb-2022 
xvi  Copyright © 2007–2022 MIPI Alliance, Inc. 
  All rights reserved. 
  Confidential 
Table 32 DL_LM Configuration Primitives ................................................................................. 169 
Table 33 DL_LM Configuration Primitive Parameters ................................................................ 170 
Table 34 DL_LM_GET.cnf_L ConfigResultCode Values ............................................................ 171 
Table 35 DL_LM_SET.cnf_L ConfigResultCode Values............................................................. 172 
Table 36 DL_LM_SAP Control Primitives .................................................................................. 174 
Table 37 DL_LM_SAP Control Primitive Parameters ................................................................. 174 
Table 38 DL_LM_SAP Status Primitives ..................................................................................... 180 
Table 39 DL_LM_SAP Primitive Parameters .............................................................................. 180 
Table 40 Control Symbol MS Byte Encoding .............................................................................. 185 
Table 41 Control Symbol Type Field Definition .......................................................................... 186 
Table 42 Control Symbols Parameter Field Definition ................................................................ 186 
Table 43 Traffic Class Identification ............................................................................................ 187 
Table 44 Supported Priorities ....................................................................................................... 195 
Table 45 Example of Flow Control Register Changes after Boot Up,  
DL_CreditUnitSize = 32 .............................................................................................. 201 
Table 46 Example of Flow Control Register Changes after Boot Up,  
DL_CreditUnitSize = 128 ............................................................................................ 205 
Table 47 Data Link Layer (gettable, settable) Attributes .............................................................. 219 
Table 48 Data Link Layer Protocol Constants .............................................................................. 222 
Table 49 Data Link Layer (gettable, static) Attributes ................................................................. 223 
Table 50 N_TCx_SAP Primitives ................................................................................................. 229 
Table 51 N_TCx_SAP Primitive Parameters................................................................................ 229 
Table 52 N_LM_SAP Configuration Primitives .......................................................................... 234 
Table 53 N_LM_SAP Configuration Primitive Parameters ......................................................... 235 
Table 54 N_LM_GET.cnf_L ConfigResultCode Values .............................................................. 236 
Table 55 N_LM_SET.cnf_L ConfigResultCode Values ............................................................... 237 
Table 56 N_LM_SAP Control Primitives ..................................................................................... 239 
Table 57 N_LM_SAP Control Primitive Parameters ................................................................... 239 
Table 58 N_LM_SAP Status Primitives ....................................................................................... 244 
Table 59 N_LM_SAP Status Primitive Parameters ...................................................................... 244 
Table 60 User-Data Network Layer PDU Types .......................................................................... 245 
Table 61 Network Layer N_PDU Header Fields .......................................................................... 246 
Table 62 Settings of the L3s Field ................................................................................................ 246 

Version 2.0  Specification for UniPro 
19-Feb-2022 
  Copyright © 2007–2022 MIPI Alliance, Inc.  xvii 
  All rights reserved. 
  Confidential 
Table 63 Settings of the DestDeviceID_Enc Field ....................................................................... 246 
Table 64 Settings of the Payload Field ......................................................................................... 247 
Table 65 Service Primitive to N_PDU Association Table ............................................................ 248 
Table 66 Network Layer (gettable, settable) Attributes ................................................................ 252 
Table 67 Network Layer Protocol Constants ................................................................................ 252 
Table 68 Network Layer (gettable, static) Attributes ................................................................... 252 
Table 69 T_CO_SAP Primitives ................................................................................................... 259 
Table 70 T_CO_SAP Primitive Parameters.................................................................................. 260 
Table 71 T_LM_SAP Configuration Primitives ........................................................................... 265 
Table 72 T_LM_SAP Configuration Primitive Parameters .......................................................... 266 
Table 73 T_LM_GET.cnf_L ConfigResultCode Values ............................................................... 267 
Table 74 T_LM_SET.cnf_L ConfigResultCode Values ............................................................... 269 
Table 75 T_LM_SAP Control Primitives ..................................................................................... 271 
Table 76 T_LM_SAP Control Primitive Parameters .................................................................... 271 
Table 77 T_LM_SAP Status Primitives ........................................................................................ 275 
Table 78 T_LM_SAP Status Primitive Parameters ...................................................................... 275 
Table 79 T_LM_DISCARD.ind Reason Codes............................................................................ 276 
Table 80 Transport Layer PDU Types .......................................................................................... 277 
Table 81 T_PDU Header Fields .................................................................................................... 278 
Table 82 Settings of the L4s Field ................................................................................................ 278 
Table 83 Settings of the DestCPortID_Enc Field ......................................................................... 279 
Table 84 Settings of the FCT Field ............................................................................................... 279 
Table 85 Settings of the EOM Field ............................................................................................. 280 
Table 86 Settings of the Payload Field ......................................................................................... 280 
Table 87 E2E Flow Control Steps ................................................................................................ 287 
Table 88 Test Feature Overview ................................................................................................... 296 
Table 89 Determining the Number of Test Feature Instances in a DUT ...................................... 297 
Table 90 TstSrc (settable, gettable) Attributes .............................................................................. 300 
Table 91 General Test Feature (settable, gettable) Attributes ....................................................... 300 
Table 92 Possible Errors at TstDst ................................................................................................ 304 
Table 93 TstDst (settable, gettable) Attributes .............................................................................. 305 
Table 94 Transport Layer (gettable, settable) Attributes .............................................................. 307 
Table 95 Transport Layer Protocol Constants .............................................................................. 309 

Specification for UniPro  Version 2.0
  19-Feb-2022 
xviii  Copyright © 2007–2022 MIPI Alliance, Inc. 
  All rights reserved. 
  Confidential 
Table 96 Transport Layer (gettable, static) Attributes .................................................................. 310 
Table 97 DME Attributes Routing Rules ...................................................................................... 312 
Table 98 Reset Scope and Triggers .............................................................................................. 313 
Table 99 DME_SAP Configuration Primitives ............................................................................ 323 
Table 100 DME_SAP Configuration Primitive Parameters ......................................................... 324 
Table 101 ConfigResultCode Values ............................................................................................ 325 
Table 102 DME_SAP Control Primitives ..................................................................................... 329 
Table 103 DME_SAP Control Primitive Parameters ................................................................... 330 
Table 104 L2 Timer Data Structure .............................................................................................. 331 
Table 105 PACapabilityUserData Structure ................................................................................. 331 
Table 106 LayerErrorCode Mapping ............................................................................................ 331 
Table 107 UniPro Version Information Mapping ......................................................................... 342 
Table 108 DME_SAP Restrictions ............................................................................................... 344 
Table 109 DDB L1 Attributes ....................................................................................................... 350 
Table 110 DME QoS Attributes .................................................................................................... 353 
Table 111 Multiplexed CPort Interface Signal Definition ............................................................ 392 
Table 112 Non-multiplexed CPort Interface Signal Definition .................................................... 404 
Table 113 DME Attributes for DME_SET-based High Level Power Mode Control ................... 418 
Table 114 PHY Adapter Layer Attributes for Alternative Power Mode Change .......................... 419 
Table 115 PA Adapter Layer Attributes for Alternative Power Mode Change ............................. 419 
Table 116 Data Link Layer Attributes for Alternative Power Mode Change ............................... 420 