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JESD220C-2_2-ufs v2.2.pdf

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    JESD220C-2.2
    Contents
    1 Scope
    2 Normative Reference
    3 Terms and Definitions
    3.1 Acronyms
    3.2 Conventions
    3.3 Keywords
    3.4 Abbreviations
    4 Introduction
    4.1 General Features
    4.2 Interface Features
    4.3 Functional Features
    5 UFS Architecture Overview
    5.1 UFS Top Level Architecture
    5.2 UFS System Model
    5.3 System Boot and Enumeration
    5.4 UFS Interconnect (UIC) Layer
    5.4.1 UFS Physical Layer Signals
    5.4.2 MIPI UniPro
    5.4.3 MIPI UniPro Related Attributes
    5.5 UFS Transport Protocol (UTP) Layer
    5.5.1 Architectural Model
    5.5.1.1 Client-Server Model
    5.5.1.2 CDB, Status, Task Management
    5.5.1.3 Nexus
    5.5.1.4 SCSI Command Model
    5.5.1.5 SCSI Task Management Functions
    5.6 UFS Application and Command Layer
    6 UFS Electrical: Clock, Reset, Signals and Supplies
    6.1 UFS Signals
    6.2 Reset Signal
    6.3 Power Supplies
    6.4 Reference Clock
    6.4.1 HS Gear Rates
    6.4.2 Host Controller requirements for reference clock generation
    6.5 External Charge Pump Capacitors (Optional)
    6.6 Absolute Maximum DC Ratings
    7 Reset, Power-up and Power-down
    7.1 Reset
    7.1.1 Power-on Reset
    7.1.2 Hardware Reset
    7.1.3 EndPointReset
    7.1.4 Logical Unit Reset
    7.1.5 Host UniPro Warm Reset
    7.1.6 Summary of Resets and Device Behavior
    7.2 Power up ramp
    7.3 Power off ramp
    7.4 UFS Device Power Modes and LU Power Condition
    7.4.1 Device Power Modes
    7.4.1.1 Active Power Mode
    7.4.1.2 Idle Power Mode
    7.4.1.3 Pre-Active Power Mode
    7.4.1.4 UFS-Sleep Power Mode
    7.4.1.5 Pre-Sleep Power Mode
    7.4.1.6 UFS-PowerDown Power Mode
    7.4.1.7 Pre-PowerDown Power Mode
    7.4.1.8 Power Mode State Machine
    7.4.1.8.1 Transitions from Powered On Power Mode
    7.4.1.8.2 Transitions from Pre‐Active Power Mode
    7.4.1.8.3 Transitions from Active Power Mode
    7.4.1.8.4 Transitions from Idle Power Mode
    7.4.1.8.5 Transitions from Pre‐Sleep Power Mode
    7.4.1.8.6 Transitions from UFS‐Sleep Power Mode
    7.4.1.8.7 Transitions from Pre‐PowerDown Power Mode
    7.4.1.8.8 Transitions from UFS‐PowerDown Power Mode
    7.4.1.8.9 SCSI command and UPIU transactions
    7.4.1.9 Responses to SCSI commands
    7.4.1.9 Responses to SCSI commands (cont’d)
    7.4.2 Power Management Command: START STOP UNIT
    7.4.3 Power Mode Control
    7.4.4 Logical Unit Power Condition
    8 UFS UIC Layer: MIPI M-PHY
    8.1 Termination
    8.2 Drive Levels
    8.3 PHY State machine
    8.4 HS Burst
    8.4.1 HS Prepare Length Control
    8.4.2 HS Sync Length Control
    8.5 PWM Burst
    8.5.1 LS Prepare Length Control
    8.6 UFS PHY Attributes
    8.7 Electrical characteristics
    8.7.1 Transmitter Characteristics
    8.7.2 Receiver Characteristics
    9 UFS UIC Layer: MIPI Unipro
    9.1 Overview
    9.2 Architectural Model
    9.3 UniPro/UFS Transport Protocol Interface (Data Plane)
    9.4 UniPro/UFS Control Interface (Control Plane)
    9.5 UniPro/UFS Transport Protocol Address Mapping
    9.6 Options and Tunable Parameters of UniPro
    9.6.1 UniPro PHY Adapter
    9.6.2 UniPro Data Link Layer
    9.6.3 UniPro Network Layer
    9.6.4 UniPro Transport Layer
    9.6.5 UniPro Device Management Entity Transport Layer
    9.6.6 UniPro Attributes
    10 UFS Transport Protocol (UTP) Layer
    10.1 Overview
    10.2 UTP and UniPro Specific Overview
    10.2.1 Phases
    10.2.2 Data Pacing
    10.2.3 UniPro
    10.3 UFS Transport Protocol Transactions Overview
    10.4 Service Delivery Subsystem
    10.5 UPIU Transactions
    10.5 UPIU Transactions (cont’d)
    10.6 General UFS Protocol Information Unit Format
    10.6.1 Overview
    10.6.2 Basic Header Format
    10.7 UFS Protocol Information Units
    10.7.1 COMMAND UPIU
    10.7.1.1 Basic Header
    10.7.1.1 Basic header (cont’d)
    10.7.2 RESPONSE UPIU
    10.7.2.1 Basic Header
    10.7.3 DATA OUT UPIU
    10.7.3.1 Basic Header
    10.7.4 DATA IN UPIU
    10.7.4.1 Basic Header
    10.7.5 READY TO TRANSFER UPIU
    10.7.5.1 Basic Header
    10.7.6 TASK MANAGEMENT REQUEST UPIU
    10.7.6.1 Basic Header
    10.7.7 TASK MANAGEMENT RESPONSE UPIU
    10.7.7.1 Basic Header
    10.7.8 QUERY REQUEST UPIU
    10.7.8.1 Overview
    10.7.8.2 Query Function
    10.7.8.3 Transaction Specific Fields
    10.7.8.4 Read Descriptor Opcode
    10.7.8.5 Write Descriptor Opcode
    10.7.8.6 Read Attribute Opcode
    10.7.8.7 Write Attribute Opcode
    10.7.8.8 Read Flag Opcode
    10.7.8.9 Set Flag
    10.7.8.10 Clear Flag
    10.7.8.11 Toggle Flag
    10.7.8.12 NOP
    10.7.9 QUERY RESPONSE UPIU
    10.7.9.1 Overview
    10.7.9.2 Query Function
    10.7.9.3 Query Response
    10.7.9.4 Device Information
    10.7.9.5 Transaction Specific Fields
    10.7.9.6 Read Descriptor Opcode
    10.7.9.7 Write Descriptor Opcode
    10.7.9.8 Read Attribute Opcode
    10.7.9.9 Write Attribute Opcode
    10.7.9.10 Read Flag Opcode
    10.7.9.11 Set Flag
    10.7.9.12 Clear Flag
    10.7.9.13 Toggle Flag
    10.7.9.14 NOP
    10.7.10 REJECT UPIU
    10.7.10.1 Basic Header
    10.7.11 NOP OUT UPIU
    10.7.11.1 Basic Header
    10.7.12 NOP IN UPIU
    10.7.12.1 Basic Header
    10.7.13 Data out transfer rules
    10.7.13 Data out transfer rules (cont’d)
    10.7.13 Data out transfer rules (cont’d)
    10.7.13 Data out transfer rules (cont’d)
    10.7.13.1 Implementation
    10.8 Logical Units
    10.8.1 UFS SCSI Domain
    10.8.2 UFS Logical Unit Definition
    10.8.3 Well Known Logical Unit Definition
    10.8.4 Logical Unit Addressing
    10.8.5 Well Known Logical Unit Defined in UFS
    10.8.6 Translation of 8-bit UFS LUN to 64-bit SCSI LUN Address
    10.8.7 SCSI Write Command
    10.8.8 SCSI Read Command
    10.9 Application Layer and Device Manager Transport Protocol Services
    10.9.1 UFS Initiator Port and Target Port Attributes
    10.9.2 Execute Command procedure call transport protocol services
    10.9.3 SCSI Command transport protocol service
    10.9.4 SCSI Command Received transport protocol
    10.9.5 Send Command Complete transport protocol service
    10.9.6 Command Complete Received transport protocol service
    10.9.7 Data transfer SCSI transport protocol services
    10.9.7.1 Send Data-In transport protocol service
    10.9.7.2 Data-In Delivered transport protocol service
    10.9.7.3 Receive Data-Out transport protocol service
    10.9.7.4 Data-Out Received transport protocol service
    10.9.8 Task Management Function procedure calls
    10.9.8.1 ABORT TASK
    10.9.8.2 ABORT TASK SET
    10.9.8.3 CLEAR TASK SET
    10.9.8.4 LOGICAL UNIT RESET
    10.9.8.5 QUERY TASK
    10.9.8.6 QUERY TASK SET
    10.9.8.7 Task Management SCSI Transport Protocol Services
    10.9.8.8 Send Task Management Request SCSI transport protocol service request
    10.9.8.9 Task Management Request Received SCSI transport protocol service indication
    10.9.8.10 Task Management Function Executed SCSI transport protocol service response
    10.9.8.11 Received Task Management Function Executed SCSI transport protocol service confirmation
    10.9.9 Query Function transport protocol services
    10.9.9.1 Send Query Request UFS transport protocol service
    10.9.9.2 Query Request Received UFS transport protocol service indication
    10.9.9.3 Query Function Executed UFS transport protocol service response
    10.9.9.4 Received Query Function Executed UFS transport protocol service confirmation
    11 UFS Application (UAP) Layer – SCSI Commands
    11.1 Universal Flash Storage Command Layer (UCL) Introduction
    11.1.1 The Command Descriptor Block (CDB)
    11.2 Universal Flash Storage Native Commands (UNC)
    11.3 Universal Flash Storage SCSI Commands
    11.3.1 General information about SCSI commands in UFS
    11.3.2 INQUIRY Command
    11.3.2.1 VITAL PRODUCT DATA
    11.3.2.2 STANDARD INQUIRY DATA
    11.3.2.3 Inquiry Command Data Response
    11.3.2.4 Inquiry Response Data
    11.3.2.5 Inquiry Command Status Response
    11.3.3 MODE SELECT (10) Command
    11.3.3.1 Mode Select Command Parameters
    11.3.3.2 Mode Select Command Data Transfer
    11.3.3.3 Mode Select Command Status Response
    11.3.4 MODE SENSE (10) Command
    11.3.4.1 Mode Sense Command Parameters
    11.3.4.2 Page Control Function
    11.3.4.3 Mode Sense Command Data Transfer
    11.3.4.4 Mode Sense Command Status Response
    11.3.5 READ (6) Command
    11.3.5.1 Read (6) Command Parameters
    11.3.5.2 Read (6) Command Data Transfer
    11.3.5.3 Read (6) Command Status Response
    11.3.6 READ (10) Command
    11.3.6.1 Read (10) Command Parameters
    11.3.6.2 Read (10) Command Data Transfer
    11.3.6.3 Read (10) Command Status Response
    11.3.7 READ (16) Command
    11.3.7.1 Read (16) Command Parameters
    11.3.7.2 Read (16) Command Data Transfer
    11.3.7.3 Read (16) Command Status Response
    11.3.8 READ CAPACITY (10) Command
    11.3.8.1 Read Capacity (10) Data Response
    11.3.8.2 Read Capacity (10) Parameter Data
    11.3.8.3 Read Capacity (10) Status Response
    11.3.9 READ CAPACITY (16) Command
    11.3.9.1 Read Capacity (16) Data Response
    11.3.9.2 Read Capacity (16) Parameter Data
    11.3.9.3 Read Capacity (16) Status Response
    11.3.10 START STOP UNIT Command
    11.3.10.1 START STOP UNIT Parameters
    11.3.10.2 Start Stop Unit Data Response
    11.3.10.3 Start Stop Unit Status Response
    11.3.11 TEST UNIT READY Command
    11.3.11.1 Test Unit Ready Data Response
    11.3.11.2 Test Unit Ready Status Response
    11.3.12 REPORT LUNS Command
    11.3.12.1 Report LUNS Command Parameters
    11.3.12.2 Report LUNS Command Select Report Field Values
    11.3.12.3 Report LUNS Data Response
    11.3.12.4 Report LUNS Parameter Data Format
    11.3.12.5 Report LUNS LUN Addressing Formats
    11.3.12.6 Report LUNS Status Response
    11.3.12.7 UFS LUN Format
    11.3.13 VERIFY (10) Command
    11.3.13.1 Verify Command Parameters
    11.3.13.2 Verify Command Data Transfer
    11.3.13.3 Verify Command Status Response
    11.3.14 WRITE (6) Command
    11.3.14.1 Write (6) Command Parameters
    11.3.14.2 Write (6) Command Data Transfer
    11.3.14.3 Write (6) Command Status Response
    11.3.15 WRITE (10) Command
    11.3.15.1 Write (10) Command Parameters
    11.3.15.2 Write(10) Command Data Transfer
    11.3.15.3 Write (10) Command Status Response
    11.3.16 WRITE (16) Command
    11.3.16.1 Write (16) Command Parameters
    11.3.16.2 Write (16) Command Data Transfer
    11.3.16.3 Write (16) Command Status Response
    11.3.17 REQUEST SENSE Command
    11.3.17.1 Request Sense Data Response
    11.3.17.2 Sense Data
    11.3.17.3 Sense Key
    11.3.17.4 Request Sense Status Response
    11.3.18 FORMAT UNIT Command
    11.3.18.1 Format Unit Command Parameters
    11.3.18.2 Format Unit Command Data Transfer
    11.3.18.3 Format Unit Command Status Response
    11.3.19 PRE-FETCH (10) Command
    11.3.19.1 PRE-FETCH (10) Command Parameters
    11.3.19.2 PRE-FETCH Command Data Transfer
    11.3.19.3 PRE-FETCH Command Status Response
    11.3.20 PRE-FETCH (16) Command
    11.3.21 SECURITY PROTOCOL IN Command
    11.3.21.1 SECURITY PROTOCOL IN Command Parameter
    11.3.21.2 SECURITY PROTOCOL IN Command Data Transfer
    11.3.21.3 SECURITY PROTOCOL IN Command Status Response
    11.3.22 SECURITY PROTOCOL OUT Command
    11.3.22.1 SECURITY PROTOCOL OUT Command Parameter
    11.3.22.2 SECURITY PROTOCOL OUT Command Data Transfer
    11.3.22.3 SECURITY PROTOCOL OUT Command Status Response
    11.3.23 SEND DIAGNOSTIC Command
    11.3.23.1 Send Diagnostic Parameters
    11.3.23.2 Send Diagnostic Command Data Transfer
    11.3.23.3 Send Diagnostic Command Status Response
    11.3.24 SYNCHRONIZE CACHE (10) Command
    11.3.24.1 Synchronize Cache Command Parameters
    11.3.24.2 Synchronize Cache Command Data Transfer
    11.3.24.3 Synchronize Cache Command Status Response
    11.3.25 SYNCHRONIZE CACHE (16) Command
    11.3.26 UNMAP Command
    11.3.26.1 UNMAP parameter list
    11.3.26.2 UNMAP block descriptor
    11.3.26.3 UNMAP parameter list transfer
    11.3.27 READ BUFFER Command
    11.3.27.1 Read Buffer Command Parameters
    11.3.27.2 Read Buffer Command Mode Field Values
    11.3.27.3 Read Buffer Command Data Transfer
    11.3.27.4 Read Buffer Command Status Response
    11.3.28 WRITE BUFFER Command
    11.3.28.1 Write Buffer Command Parameters
    11.3.28.2 Write Buffer Command Mode Field Values
    11.3.28.3 Write Buffer Command Data Transfer
    11.3.28.4 Write Buffer Command Status Response
    11.4 Mode Pages
    11.4.1 Mode Page Overview
    11.4.1.1 Mode Page/Subpage Codes
    11.4.1.2 Mode parameter list format
    11.4.1.3 Mode Parameter Header
    11.4.1.4 Mode Parameter Header Detail
    11.4.1.5 Page_0 mode page format
    11.4.1.6 Sub_page mode page format
    11.4.2 UFS Supported Pages
    11.4.2.1 Control Mode Page
    11.4.2.2 Read-Write Error Recovery Mode Page
    11.4.2.3 Caching Mode Page
    11.5 Vital product data parameters
    11.5.1 Overview
    11.5.2 VPD page format
    11.5.3 Supported VPD Pages VPD page
    11.5.4 Mode Page Policy VPD page
    12 UFS Security
    12.1 UFS Security Feature Support Requirements
    12.2 Secure Mode
    12.2.1 Description
    12.2.2 Requirements
    12.2.2.1 Secure Removal
    12.2.2.2 Erase Operation
    12.2.2.3 Discard Operation
    12.2.2.4 Purge Operation
    12.2.3 Implementation
    12.2.3.1 Erase
    12.2.3.2 Discard
    12.2.3.3 Purge operation
    12.2.3.4 Wipe Device
    12.2.3.5 bProvisioningType Parameter
    12.2.3.6 bSecureRemovalType Parameter
    12.3 Device Data Protection
    12.3.1 Description and Requirements
    12.3.2 Implementation
    12.4 RPMB
    12.4.1 Introduction
    12.4.2 RPMB Well Known Logical Unit Description
    12.4.3 Requirements
    12.4.3.1 RPMB Resources
    12.4.3.2 Algorithm and Key for MAC Calculation
    12.4.3.3 RPMB Message Components
    12.4.3.4 Request Message Types
    12.4.3.5 Response Message Types
    12.4.3.6 RPMB Operation Result
    12.4.4 Implementation
    12.4.4.1 RPMB Message
    12.4.4.2 MAC Calculation
    12.4.4.3 RPMB Message Data Frame Delivery
    12.4.5 SECURITY PROTOCOL IN/OUT Commands
    12.4.5.1 CDB format of SECURITY PROTOCOL IN/OUT commands
    12.4.5.2 Security Protocol Information Description
    12.4.5.3 Supported security protocols list description
    12.4.5.4 Certificate data description
    12.4.6 RPMB Operations
    12.4.6.1 Request Type Message Delivery
    12.4.6.2 Response Type Message Delivery
    12.4.6.3 Authentication Key Programming
    12.4.6.4 Read Counter Value
    12.4.6.5 Authenticated Data Write
    12.4.6.6 Authenticated Data Read
    12.4.6.7 Authenticated Secure Write Protect Configuration Block Write
    12.4.6.8 Authenticated Secure Write Protect Configuration Block Read
    12.5 Malware Protection
    12.6 Mechanical
    13 UFS FUNCTIONAL DESCRIPTIONS
    13.1 UFS Boot
    13.1.1 Introduction
    13.1.2 Boot Configuration
    13.1.3 Initialization and boot code download process
    13.1.3.1 Partial initialization
    13.1.3.2 Boot transfer
    13.1.3.3 Initialization completion
    13.1.4 Initialization process without boot code download
    13.1.5 Boot Logical Unit Operations
    13.1.6 Configurability
    13.1.7 Security
    13.1.7.1 Boot Area Protection
    13.2 Logical Unit Management
    13.2.1 Introduction
    13.2.2 Logical Unit features
    13.2.3 Logical Unit Configuration
    13.3 Logical Block Provisioning
    13.3.1 Overview
    13.3.2 Full Provisioning
    13.3.3 Thin Provisioning
    13.4 Host Device Interaction
    13.4.1 Overview
    13.4.2 Applicable Devices
    13.4.3 Command Queue: Inter-LU Priority
    13.4.3.1 Implementation
    13.4.4 Background Operations Mode
    13.4.4.1 Introduction
    13.4.4.2 Purpose
    13.4.4.3 Background Operations Status
    13.4.4.4 Operation Initiation
    13.4.4.5 Power Failure
    13.4.4.6 Implementation
    13.4.4.6.1 Background Operations Enable
    13.4.4.6.2 Background Operations Status
    13.4.4.6.3 Background Operations Termination Latency
    13.4.5 Power Off Notification
    13.4.6 Dynamic Device Capacity
    13.4.6.1 Implementation
    13.4.6.1.1 Initial Device Requirements
    13.4.6.1.2 Dynamic Capacity Procedural Flow
    13.4.6.1.3 Dynamic Device Capacity Notification
    13.4.6.1.4 Error handling
    13.4.6.1.5 Physical Memory Resource State Machine
    13.4.7 Data Reliability
    13.4.7.1 Description
    13.4.7.2 Implementation
    13.4.8 Real-Time Clock Information
    13.4.9 Context Management
    13.4.9.1 Context configuration
    13.4.9.2 Activation and direction mode
    13.4.9.3 Large-Unit mode
    13.4.9.4 Reliability mode
    13.4.9.5 Large-Unit Multiplier
    13.4.10 System Data Tag Mechanism
    13.4.11 Exception Events Mechanism
    13.4.12 Queue Depth Definition
    13.4.12.1 Shared Queue
    13.4.12.2 Per-Logical Unit Queues
    13.4.12.3 RPMB Well Known Logical Unit Queue
    13.4.13 Device Life Span Mode
    13.4.13.1 Implementation
    13.4.14 WriteBooster
    13.4.14.1 Overview
    13.4.14.2 WriteBooster configuration
    13.4.14.3 Writing data to WriteBooster Buffer
    13.4.14.4 Flushing WriteBooster Buffer
    13.4.14.5 Preserve user space option
    13.5 UFS Cache
    13.6 Production State Awareness (PSA)
    13.6.1 Introduction
    13.6.2 PSA flow
    14 UFS Descriptors, Flags and Attributes
    14.1 UFS Descriptors
    14.1.1 Descriptor Types
    14.1.2 Descriptor Indexing
    14.1.3 Accessing Descriptors and Device Configuration
    14.1.3.1 Read Descriptor
    14.1.3.2 Write Descriptor
    14.1.4 Descriptor Definitions
    14.1.4.1 Generic Descriptor Format
    14.1.4.2 Device Descriptor
    14.1.4.3 Configuration Descriptor
    14.1.4.4 Geometry Descriptor
    14.1.4.5 Unit Descriptor
    14.1.4.6 RPMB Unit Descriptor
    14.1.4.7 Power Parameters Descriptor
    14.1.4.8 Interconnect Descriptor
    14.1.4.9 Manufacturer Name String Descriptor
    14.1.4.10 Product Name String Descriptor
    14.1.4.11 OEM ID String Descriptor
    14.1.4.12 Serial Number String Descriptor
    14.1.4.13 Product Revision Level String Descriptor
    14.1.4.14 Device Health Descriptor
    14.2 Flags
    14.3 Attributes
    Annex A - DYNAMIC CAPACITY HOST IMPLEMENTATION EXAMPLE (informative)
    A.1 Overview
    A.2 Method Outline
    Annex B (informative) Differences between JESD220C-2.2 and JESD220C, 2.1
    B.1 Changes between JESD220C-2.2 and its predecessor JESD220C, 2.1 (March 2016)
    B.1.1 New features or new definitions
    B.2 Changes between JESD220C and its predecessor JESD220B (September 2013)
    B.2.1 New features or new definitions
    B.2.2 Changes in section 2 “Normative Reference”
    B.2.3 Changes in features already defined in UFS 2.0
    B.3 Changes between JESD220B and its predecessor JESD220A (June 2012)
    B.3.1 New features or new definitions
    B.3.2 Changes in section 2 “Normative Reference”
    B.3.3 Changes in features already defined in UFS 1.1
    Standard Improvement Form
    JEDEC STANDARD Universal Flash Storage (UFS) Version 2.2 JESD220C-2.2 chinatsp (Revision of JESD220C, Version 2.1, March 2016) AUGUST 2020 JEDEC SOLID STATE TECHNOLOGY ASSOCIATION Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT
    NOTICE JEDEC standards and publications contain material that has been prepared, reviewed, and approved through the JEDEC Board of Directors level and subsequently reviewed and approved by the JEDEC legal counsel. JEDEC standards and publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for use by those other than JEDEC members, whether the standard is to be used either domestically or internationally. JEDEC standards and publications are adopted without regard to whether or not their adoption may involve patents or articles, materials, or processes. By such action JEDEC does not assume any liability to any patent owner, nor does it assume any obligation whatever to parties adopting the JEDEC standards or The information included in JEDEC standards and publications represents a sound approach to product specification and application, principally from the solid state device manufacturer viewpoint. Within the JEDEC organization there are procedures whereby a JEDEC standard or publication may be further publications. processed and ultimately become an ANSI standard. No claims to be in conformance with this standard may be made unless all requirements stated in the standard are met. chinatsp Published by Inquiries, comments, and suggestions relative to the content of this JEDEC standard or publication should be addressed to JEDEC at the address below, or refer to www.jedec.org under Standards and Documents for alternative contact information. ©JEDEC Solid State Technology Association 2020 3103 North 10th Street Suite 240 South Arlington, VA 22201-2107 This document may be downloaded free of charge; however JEDEC retains the copyright on this material. By downloading this file the individual agrees not to charge for or resell the resulting material. PRICE: Contact JEDEC Printed in the U.S.A. All rights reserved Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT
    PLEASE! DON’T VIOLATE THE LAW! This document is copyrighted by JEDEC and may not be reproduced without permission. For information, contact: JEDEC Solid State Technology Association Arlington, VA 22201-2107 Suite 240 South 3103 North 10th Street chinatsp or refer to www.jedec.org under Standards-Documents/Copyright Information. Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT
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    UNIVERSAL FLASH STORAGE (UFS) Contents JEDEC Standard No. 220C-2.2 UFS Transport Protocol (UTP) Layer chinatsp Scope Normative Reference Terms and Definitions Acronyms Acronyms (cont’d) Conventions Keywords Abbreviations Introduction General Features Interface Features Functional Features UFS Architecture Overview UFS Top Level Architecture UFS System Model System Boot and Enumeration UFS Interconnect (UIC) Layer 1 2 3 3.1 3.1 3.2 3.3 3.4 4 4.1 4.2 4.3 5 5.1 5.2 5.3 5.4 5.4.1 UFS Physical Layer Signals 5.4.2 MIPI UniPro 5.4.3 MIPI UniPro Related Attributes 5.5 5.5.1 Architectural Model 5.6 6 6.1 6.2 6.3 6.4 6.4 6.4.1 HS Gear Rates 6.4.2 Host Controller requirements for reference clock generation 6.5 External Charge Pump Capacitors (Optional) 6.6 Absolute Maximum DC Ratings 7 Reset, Power-up and Power-down 7.1 Reset 7.1.1 Power-on Reset 7.1.2 Hardware Reset 7.1.3 EndPointReset 7.1.4 Logical Unit Reset 7.1.5 Host UniPro Warm Reset 7.1.6 7.2 7.3 7.4 7.4.1 Device Power Modes 7.4.2 7.4.3 7.4.4 8 8.1 UFS Application and Command Layer UFS Electrical: Clock, Reset, Signals and Supplies UFS Signals Reset Signal Power Supplies Reference Clock Reference Clock (cont’d) Summary of Resets and Device Behavior Power up ramp Power off ramp UFS Device Power Modes and LU Power Condition Power Management Command: START STOP UNIT Power Mode Control Logical Unit Power Condition UFS UIC Layer: MIPI M-PHY Termination Page 1 1 2 3 4 4 5 5 6 6 7 7 8 8 11 11 12 12 12 13 13 14 18 19 19 21 21 22 23 24 25 26 27 28 28 28 29 30 31 31 32 33 34 35 35 43 45 47 48 48 Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT -i-
    Drive Levels PHY State machine HS Burst UFS Transport Protocol (UTP) Layer Overview UTP and UniPro Specific Overview PWM Burst LS Prepare Length Control UFS PHY Attributes Electrical characteristics Transmitter Characteristics Receiver Characteristics UFS UIC Layer: MIPI Unipro Overview Architectural Model UniPro/UFS Transport Protocol Interface (Data Plane) UniPro/UFS Control Interface (Control Plane) UniPro/UFS Transport Protocol Address Mapping Options and Tunable Parameters of UniPro JEDEC Standard No. 220C-2.2 8.2 8.3 8.4 8.4.1 HS Prepare Length Control 8.4.2 HS Sync Length Control 8.5 8.5.1 8.6 8.7 8.7.1 8.7.2 9 9.1 9.2 9.3 9.4 9.5 9.6 9.6.1 UniPro PHY Adapter 9.6.2 UniPro Data Link Layer 9.6.3 UniPro Network Layer 9.6.4 UniPro Transport Layer 9.6.5 UniPro Device Management Entity Transport Layer 9.6.6 UniPro Attributes 10 10.1 10.2 10.2.1 Phases 61 10.2.2 Data Pacing 10.2.3 UniPro 61 10.3 10.4 10.5 10.5 10.6 10.6.1 Overview 10.6.2 Basic Header Format 10.7 10.7.1 COMMAND UPIU 10.7.2 RESPONSE UPIU 10.7.3 DATA OUT UPIU 10.7.4 DATA IN UPIU 10.7.5 READY TO TRANSFER UPIU 10.7.6 TASK MANAGEMENT REQUEST UPIU 10.7.7 TASK MANAGEMENT RESPONSE UPIU 10.7.8 QUERY REQUEST UPIU 10.7.9 QUERY RESPONSE UPIU 10.7.10 REJECT UPIU 10.7.11 NOP OUT UPIU 10.7.12 NOP IN UPIU 10.7.13 Data out transfer rules 10.7.13 Data out transfer rules (cont’d) 10.7.13 Data out transfer rules (cont’d) 10.7.13 Data out transfer rules (cont’d) 10.8 10.8.1 UFS SCSI Domain chinatsp UFS Transport Protocol Transactions Overview Service Delivery Subsystem UPIU Transactions UPIU Transactions (cont’d) General UFS Protocol Information Unit Format UFS Protocol Information Units Logical Units Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT -ii- 48 48 49 49 49 49 49 49 52 52 52 53 53 53 54 55 56 57 57 57 57 58 58 59 60 60 61 61 62 62 62 63 64 65 65 70 70 73 82 85 88 91 93 95 108 120 122 124 126 127 128 129 130 130
    Application Layer and Device Manager Transport Protocol Services JEDEC Standard No. 220C-2.2 130 131 131 132 133 134 135 136 136 137 138 139 140 141 142 146 152 155 155 155 155 156 157 157 160 162 165 166 168 170 172 176 177 178 183 185 187 190 193 195 197 200 201 202 204 206 209 210 213 216 220 220 225 232 232 232 Universal Flash Storage Native Commands (UNC) Universal Flash Storage SCSI Commands INQUIRY Command UFS Application (UAP) Layer – SCSI Commands Universal Flash Storage Command Layer (UCL) Introduction 10.8.2 UFS Logical Unit Definition 10.8.3 Well Known Logical Unit Definition 10.8.4 Logical Unit Addressing 10.8.5 Well Known Logical Unit Defined in UFS 10.8.6 Translation of 8-bit UFS LUN to 64-bit SCSI LUN Address 10.8.7 SCSI Write Command 10.8.8 SCSI Read Command 10.9 10.9.1 UFS Initiator Port and Target Port Attributes 10.9.2 Execute Command procedure call transport protocol services 10.9.3 SCSI Command transport protocol service 10.9.4 SCSI Command Received transport protocol 10.9.5 Send Command Complete transport protocol service 10.9.6 Command Complete Received transport protocol service 10.9.7 Data transfer SCSI transport protocol services 10.9.8 Task Management Function procedure calls 10.9.9 Query Function transport protocol services 11 11.1 11.1.1 The Command Descriptor Block (CDB) 11.2 11.3 11.3.1 General information about SCSI commands in UFS 11.3.2 11.3.3 MODE SELECT (10) Command 11.3.4 MODE SENSE (10) Command 11.3.5 READ (6) Command 11.3.6 READ (10) Command 11.3.7 READ (16) Command 11.3.8 READ CAPACITY (10) Command 11.3.9 READ CAPACITY (16) Command 11.3.10 START STOP UNIT Command 11.3.11 TEST UNIT READY Command 11.3.12 REPORT LUNS Command 11.3.13 VERIFY (10) Command 11.3.14 WRITE (6) Command 11.3.15 WRITE (10) Command 11.3.16 WRITE (16) Command 11.3.17 REQUEST SENSE Command 11.3.18 FORMAT UNIT Command 11.3.19 PRE-FETCH (10) Command 11.3.20 PRE-FETCH (16) Command 11.3.21 SECURITY PROTOCOL IN Command 11.3.22 SECURITY PROTOCOL OUT Command 11.3.23 SEND DIAGNOSTIC Command 11.3.24 SYNCHRONIZE CACHE (10) Command 11.3.25 SYNCHRONIZE CACHE (16) Command 11.3.26 UNMAP Command 11.3.27 READ BUFFER Command 11.3.28 WRITE BUFFER Command 11.4 Mode Pages 11.4.1 Mode Page Overview 11.4.2 UFS Supported Pages 11.5 11.5.1 Overview 11.5.2 VPD page format chinatsp Vital product data parameters Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT -iii-
    Implementation Device Data Protection Implementation RPMB Introduction Implementation UFS FUNCTIONAL DESCRIPTIONS UFS Boot Introduction UFS Security UFS Security Feature Support Requirements Secure Mode JEDEC Standard No. 220C-2.2 11.5.3 Supported VPD Pages VPD page 11.5.4 Mode Page Policy VPD page 12 12.1 12.2 12.2.1 Description 12.2.2 Requirements 12.2.3 12.3 12.3.1 Description and Requirements 12.3.2 12.4 12.4.1 12.4.2 RPMB Well Known Logical Unit Description 12.4.3 Requirements 12.4.4 12.4.5 SECURITY PROTOCOL IN/OUT Commands 12.4.6 RPMB Operations 12.5 Malware Protection 12.6 Mechanical 13 13.1 13.1.1 13.1.2 Boot Configuration 13.1.3 13.1.4 13.1.5 Boot Logical Unit Operations 13.1.6 Configurability 13.1.7 Security 13.2 13.2.1 13.2.2 Logical Unit features 13.2.3 Logical Unit Configuration 13.3 Logical Block Provisioning 13.3.1 Overview 13.3.2 Full Provisioning 13.3.3 Thin Provisioning 13.4 13.4.1 Overview 13.4.2 Applicable Devices 13.4.3 Command Queue: Inter-LU Priority 13.4.4 Background Operations Mode 13.4.5 Power Off Notification 13.4.6 Dynamic Device Capacity 13.4.7 Data Reliability 13.4.8 Real-Time Clock Information 13.4.9 Context Management 13.4.10 System Data Tag Mechanism 13.4.11 Exception Events Mechanism 13.4.12 Queue Depth Definition 13.4.13 Device Life Span Mode 13.4.14 WriteBooster 13.5 13.6 13.6.1 13.6.2 PSA flow UFS Cache Production State Awareness (PSA) Introduction Logical Unit Management Introduction Host Device Interaction Initialization and boot code download process Initialization process without boot code download chinatsp 233 234 236 236 236 236 237 238 243 243 243 244 244 244 245 254 255 260 273 273 274 274 274 274 277 280 281 281 282 282 282 282 285 290 290 290 290 291 291 291 291 292 294 295 299 300 301 304 305 306 307 308 313 314 314 314 Downloaded by xiong wanjun (xiongwanjun@chinatsp.com) on Oct 11, 2020, 7:43 pm PDT -iv-
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