CN109086168A - A kind of method and its system using hardware backup solid state hard disk writing rate - Google Patents
A kind of method and its system using hardware backup solid state hard disk writing rate Download PDFInfo
- Publication number
- CN109086168A CN109086168A CN201810771158.7A CN201810771158A CN109086168A CN 109086168 A CN109086168 A CN 109086168A CN 201810771158 A CN201810771158 A CN 201810771158A CN 109086168 A CN109086168 A CN 109086168A
- Authority
- CN
- China
- Prior art keywords
- order
- data
- hardware
- backup
- hard disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1456—Hardware arrangements for backup
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
- G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/061—Improving I/O performance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
- G06F3/065—Replication mechanisms
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
The present invention relates to a kind of methods and its system using hardware backup solid state hard disk writing rate；Wherein, the method for hardware backup solid state hard disk writing rate, comprising the following steps: S1, SSD obtain new write order, and send local FIFO for command information；S2, the write order in polling order buffer, and submit to order management execution；S3 completes pretreatment, and data path management is submitted to execute；S4 constructs data transfer request, obtains host data, binds the address Backup Data DRAM, completes data backup operation；Order is split according to order length scale and is its distribution node resource, SG information is transferred to NFC by S5；S6 completes data information transfer.The present invention carries host data using hardware and directly gives NFC write-in NAND, DRAM expense is saved, promotes writing rate, while introducing hardware automatic data backup mechanism, using LPA size as unit binding data backup address and circulation node, Backup Data search efficiency when write operation being accelerated to fail.
Description
Technical field
The present invention relates to solid state hard disk fields, more specifically refer to a kind of using hardware backup solid state hard disk writing rate
Method and its system.
Background technique
Usually first DRAM is written in host data by existing NAND FLASH write operation process, and NFC is by filling in description later
The mode of symbol reads the data in DRAM and NAND is written, and this method needs to carry out DRAM during host data write operation
It is more to occupy DRAM resource for write operation and read operation, and SSD write performance is restricted by DRAM bandwidth.It is standby in data write operation failure
Part addressing data is inconvenient.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of utilization hardware backup solid state hard disk writing rate is provided
Method and its system.
To achieve the above object, the invention adopts the following technical scheme:
A method of utilizing hardware backup solid state hard disk writing rate, comprising the following steps:
S1, SSD obtain new write order, and send local FIFO for command information；
S2, the write order in polling order buffer, and submit to order management execution；
S3 completes pretreatment, and data path management is submitted to execute；
S4 constructs data transfer request, obtains host data, binds the address Backup Data DRAM, completes data backup behaviour
Make；
Order is split according to order length scale and is its distribution node resource, SG information is transferred to NFC by S5；
S6 completes data information transfer.
Its further technical solution are as follows: in the S1, host notification SSD has new write order, and SSD hardware automatically will order
Information is sent to local FIFO.
Its further technical solution are as follows: the S2 includes:
S21, SSD firmware pass through the write order in nvme hardware module polling order buffer；
Acquired order is submitted to order management and executed by S22, SSD firmware.
Its further technical solution are as follows: in the S3, the pretreatment includes that admin life is distinguished according to order type field
Order and read write command.
Its further technical solution are as follows: in the S4, by buffer management constructed in hardware data transfer request, and pass through
Hardware bus obtains host data, and the address Backup Data DRAM is bound as unit of LPA size, completes data backup operation.
Its further technical solution are as follows: in the S5, data path management splits into order according to order length scale
Unified cell node, and be its distribution node resource, SG information is transferred to NFC.
Its further technical solution are as follows: after the S6 further include: judge whether write operation fails；If so, firmware
Again data are taken out from DRAM and NAND is written, until write operation success, and software data is notified to be transmitted.
A kind of system using hardware backup solid state hard disk writing rate, including transmission unit is obtained, poll execution unit, place
Unit is managed, constructs binding unit, and split allocation unit:
The acquisition transmission unit obtains new write order for SSD, and sends local FIFO for command information；
The poll execution unit for the write order in polling order buffer, and submits to order management execution；
The processing unit for completing pretreatment, and submits data path management to execute；
The building binding unit obtains host data, with binding Backup Data DRAM for constructing data transfer request
Data backup operation is completed in location；
The fractionation allocation unit will for being split according to order length scale by order and being its distribution node resource
SG information is transferred to NFC.
Its further technical solution are as follows: the poll execution unit includes poller module and execution module；
The poller module passes through the write order in nvme hardware module polling order buffer for SSD firmware；
Acquired order is submitted to order management for SSD firmware and executed by the execution module.
Its further technical solution are as follows: further include judging unit；
The judging unit, for judging whether write operation fails.
Compared with the prior art, the invention has the advantages that: it carries host data using hardware and directly gives NFC and write
Enter NAND, save DRAM expense, promotes writing rate, while introducing hardware automatic data backup mechanism, tied up as unit of LPA size
Fixed number is according to backup address and circulation node, Backup Data search efficiency when write operation being accelerated to fail.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the flow diagram that the prior art writes data；
Fig. 2 is a kind of flow chart of the method using hardware backup solid state hard disk writing rate of the present invention；
Fig. 3 is flow diagram of the invention；
Fig. 4 is a kind of block diagram of the system using hardware backup solid state hard disk writing rate of the present invention.
10 obtain 20 poll execution unit of transmission unit
21 poller module, 22 execution module
30 processing units 40 construct binding unit
50 split 60 judging unit of allocation unit
Specific embodiment
In order to more fully understand technology contents of the invention, combined with specific embodiments below to technical solution of the present invention into
One step introduction and explanation, but not limited to this.
Specific embodiment as shown in fig. 1 to fig. 4, wherein Fig. 1 is the flow diagram that the prior art writes data, specifically
Content is as follows:
1) host notification SSD has new write order, and command information is got local FIFO automatically by SSD hardware；
2) SSD firmware is inquired and obtains new write order；
3) acquired order is submitted to CM (order management) module and executed by SSD firmware；
4) CM completes pretreatment, and subsequent module DPM (data path management) module is submitted further to execute；
5) DPM module constructs data transfer request, while DDR is written in HOST data；
6) order is divided into unified unit by DPM, and SG information is transferred to NFC；
7) NFC module fills in descriptor, and data are read from DRAM and NAND is written；
If 8) write operation fails, firmware takes out data from DRAM again and NAND is written, until write operation success；
9) notice software data is transmitted.
But the above method has the following problems: needing to carry out write operation to DRAM during host data write operation
And read operation, it is more to occupy DRAM resource, and SSD write performance is restricted by DRAM bandwidth, in data write operation failure, Backup Data
Addressing is inconvenient.
Specifically, as shown in Figure 2 to Figure 3, the invention discloses a kind of sides using hardware backup solid state hard disk writing rate
Method, comprising the following steps:
S1, SSD obtain new write order, and send local FIFO for command information；
S2, the write order in polling order buffer, and submit to order management execution；
S3 completes pretreatment, and data path management is submitted to execute；
S4 constructs data transfer request, obtains host data, binds the address Backup Data DRAM, completes data backup behaviour
Make；
Order is split according to order length scale and is its distribution node resource, SG information is transferred to NFC by S5；
S6 completes data information transfer.
Wherein, in S1, host notification SSD has new write order, and SSD hardware sends local for command information automatically
FIFO improves efficiency.
Wherein, S2 includes:
S21, SSD firmware pass through the write order in nvme hardware module polling order buffer；
Acquired order is submitted to order management and executed by S22, SSD firmware.
Wherein, in S3, pretreatment includes distinguishing admin order and read write command according to order type field.
Wherein, in S4, by buffer management constructed in hardware data transfer request, and host is obtained by hardware bus
Data, and the address Backup Data DRAM is bound as unit of LPA size, complete data backup operation.
Further, in the present embodiment, LPA size uses 4KB for unit.
Wherein, in S5, order is split into unified unit section according to order length scale by data path management (DPM)
Point, and be its distribution node resource, SG information is transferred to NFC.
Wherein, after S6 further include: judge whether write operation fails；If so, firmware takes out data from DRAM again
NAND is written, until write operation success, and software data is notified to be transmitted.
Wherein, method of the invention carries host data using hardware and directly gives NFC write-in NAND, saves DRAM and opens
Pin promotes writing rate, while introducing hardware automatic data backup mechanism, using LPA size be unit binding data backup address with
Circulate node, Backup Data search efficiency when write operation being accelerated to fail.
As shown in figure 4, the invention also discloses a kind of system using hardware backup solid state hard disk writing rate, including obtain
Transmission unit 10, poll execution unit 20, processing unit 30 construct binding unit 40, and split allocation unit 50；
Transmission unit 10 is obtained, new write order is obtained for SSD, and send local FIFO for command information；
Poll execution unit 20 for the write order in polling order buffer, and submits to order management execution；
Processing unit 30 for completing pretreatment, and submits data path management to execute；
Binding unit 40 is constructed, for constructing data transfer request, obtains host data, with binding Backup Data DRAM
Data backup operation is completed in location；
Allocation unit 50 is split, for splitting according to order length scale by order and being its distribution node resource, by SG
Information is transferred to NFC.
Wherein, in the present embodiment, poll execution unit 20 includes poller module 21 and execution module 22；
Poller module 21 passes through the write order in nvme hardware module polling order buffer for SSD firmware；
Acquired order is submitted to order management for SSD firmware and executed by execution module 22.
Wherein, which further includes judging unit 60；
Judging unit 60, for judging whether write operation fails.
Further, when the result judged is is, firmware takes out data from DRAM again and NAND is written, until writing behaviour
Succeed, and software data is notified to be transmitted.
The present invention is automatically performed data backup by carrying out hardware before data write operation, backs up as unit of LPA size, moves
State distributes data backup space, and data backup address is carried out binding with circulation node and is associated with, to improve node-flow transfer efficient；
When write operation failure, firmware can be given FTL module and be done further by nodal information immediate addressing to data backup region
The Backup Data in DRAM is only read in processing, hardware automatic data backup in write operation failure, and it is existing for occupying DRAM bandwidth
The 1/2 of method, is greatly saved DRAM bandwidth.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of method using hardware backup solid state hard disk writing rate, which comprises the following steps:
S1, SSD obtain new write order, and send local FIFO for command information；
S2, the write order in polling order buffer, and submit to order management execution；
S3 completes pretreatment, and data path management is submitted to execute；
S4 constructs data transfer request, obtains host data, binds the address Backup Data DRAM, completes data backup operation；
Order is split according to order length scale and is its distribution node resource, SG information is transferred to NFC by S5；
S6 completes data information transfer.
2. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
In S1, host notification SSD has new write order, and SSD hardware sends local FIFO for command information automatically.
3. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
S2 includes:
S21, SSD firmware pass through the write order in nvme hardware module polling order buffer；
Acquired order is submitted to order management and executed by S22, SSD firmware.
4. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
In S3, the pretreatment includes distinguishing admin order and read write command according to order type field.
5. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
In S4, host data is obtained by buffer management constructed in hardware data transfer request, and by hardware bus, and big with LPA
It is small to bind the address Backup Data DRAM for unit, complete data backup operation.
6. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
In S5, order is split into unified cell node according to order length scale by data path management, and is provided for its distribution node
SG information is transferred to NFC by source.
7. a kind of method using hardware backup solid state hard disk writing rate according to claim 1, which is characterized in that described
After S6 further include: judge whether write operation fails；If so, firmware, which takes out data from DRAM again, is written NAND, until
Write operation success, and software data is notified to be transmitted.
8. a kind of system using hardware backup solid state hard disk writing rate, which is characterized in that including obtaining transmission unit, poll is held
Row unit, processing unit construct binding unit, and split allocation unit:
The acquisition transmission unit obtains new write order for SSD, and sends local FIFO for command information；
The poll execution unit for the write order in polling order buffer, and submits to order management execution；
The processing unit for completing pretreatment, and submits data path management to execute；
The building binding unit, for constructing data transfer request, acquisition host data binds the address Backup Data DRAM,
Complete data backup operation；
The fractionation allocation unit believes SG for being split according to order length scale by order and being its distribution node resource
Breath is transferred to NFC.
9. a kind of system using hardware backup solid state hard disk writing rate according to claim 8, which is characterized in that described
Poll execution unit includes poller module and execution module:
The poller module passes through the write order in nvme hardware module polling order buffer for SSD firmware；
Acquired order is submitted to order management for SSD firmware and executed by the execution module.
10. a kind of system using hardware backup solid state hard disk writing rate according to claim 8, which is characterized in that also
Including judging unit；
The judging unit, for judging whether write operation fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771158.7A CN109086168A (en) | 2018-07-13 | 2018-07-13 | A kind of method and its system using hardware backup solid state hard disk writing rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771158.7A CN109086168A (en) | 2018-07-13 | 2018-07-13 | A kind of method and its system using hardware backup solid state hard disk writing rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109086168A true CN109086168A (en) | 2018-12-25 |
Family
ID=64837841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771158.7A Pending CN109086168A (en) | 2018-07-13 | 2018-07-13 | A kind of method and its system using hardware backup solid state hard disk writing rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109086168A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960473A (en) * | 2019-04-10 | 2019-07-02 | 深圳忆联信息系统有限公司 | A kind of method and its system for reducing data interaction and promoting SSD reading performance |
| CN110083311A (en) * | 2019-04-26 | 2019-08-02 | 深圳忆联信息系统有限公司 | A kind of method and its system issuing software and hardware interaction based on SSD descriptor |
| CN110209355A (en) * | 2019-05-28 | 2019-09-06 | 深圳忆联信息系统有限公司 | Full firmware read-write operation optimization method and device based on solid state hard disk |
| CN110297604A (en) * | 2019-06-26 | 2019-10-01 | 深圳忆联信息系统有限公司 | A kind of method and its system effectively improving NAND starting service life |
| CN117312055A (en) * | 2023-11-16 | 2023-12-29 | 荣耀终端有限公司 | Data backup method and related device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073561A (en) * | 2011-01-26 | 2011-05-25 | 浪潮电子信息产业股份有限公司 | Method for correcting error of write operation of solid state hard disk |
| US20140173357A1 (en) * | 2012-12-18 | 2014-06-19 | HGST Netherlands B.V. | Salvaging event trace information in power loss interruption scenarios |
| CN107608909A (en) * | 2017-09-19 | 2018-01-19 | 记忆科技(深圳)有限公司 | A kind of method that NVMe solid state disk writes accelerate |
| CN107807790A (en) * | 2017-10-13 | 2018-03-16 | 记忆科技(深圳)有限公司 | A kind of method of solid state hard disc data write-in |
| CN108021511A (en) * | 2017-11-22 | 2018-05-11 | 深圳忆联信息系统有限公司 | A kind of method and SSD of SSD performance boosts |
| CN108153681A (en) * | 2017-11-29 | 2018-06-12 | 深圳忆联信息系统有限公司 | A kind of large capacity solid-state hard disc mapping table compression method |
-
2018
- 2018-07-13 CN CN201810771158.7A patent/CN109086168A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073561A (en) * | 2011-01-26 | 2011-05-25 | 浪潮电子信息产业股份有限公司 | Method for correcting error of write operation of solid state hard disk |
| US20140173357A1 (en) * | 2012-12-18 | 2014-06-19 | HGST Netherlands B.V. | Salvaging event trace information in power loss interruption scenarios |
| CN107608909A (en) * | 2017-09-19 | 2018-01-19 | 记忆科技(深圳)有限公司 | A kind of method that NVMe solid state disk writes accelerate |
| CN107807790A (en) * | 2017-10-13 | 2018-03-16 | 记忆科技(深圳)有限公司 | A kind of method of solid state hard disc data write-in |
| CN108021511A (en) * | 2017-11-22 | 2018-05-11 | 深圳忆联信息系统有限公司 | A kind of method and SSD of SSD performance boosts |
| CN108153681A (en) * | 2017-11-29 | 2018-06-12 | 深圳忆联信息系统有限公司 | A kind of large capacity solid-state hard disc mapping table compression method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960473A (en) * | 2019-04-10 | 2019-07-02 | 深圳忆联信息系统有限公司 | A kind of method and its system for reducing data interaction and promoting SSD reading performance |
| CN110083311A (en) * | 2019-04-26 | 2019-08-02 | 深圳忆联信息系统有限公司 | A kind of method and its system issuing software and hardware interaction based on SSD descriptor |
| CN110083311B (en) * | 2019-04-26 | 2022-03-29 | 深圳忆联信息系统有限公司 | SSD descriptor-based software and hardware interaction issuing method and system |
| CN110209355A (en) * | 2019-05-28 | 2019-09-06 | 深圳忆联信息系统有限公司 | Full firmware read-write operation optimization method and device based on solid state hard disk |
| CN110297604A (en) * | 2019-06-26 | 2019-10-01 | 深圳忆联信息系统有限公司 | A kind of method and its system effectively improving NAND starting service life |
| CN117312055A (en) * | 2023-11-16 | 2023-12-29 | 荣耀终端有限公司 | Data backup method and related device |
| CN117312055B (en) * | 2023-11-16 | 2024-04-19 | 荣耀终端有限公司 | Data backup method and related device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109086168A (en) | A kind of method and its system using hardware backup solid state hard disk writing rate | |
| US8386699B2 (en) | Method for giving program commands to flash memory for writing data according to a sequence, and controller and storage system using the same | |
| CN104320317B (en) | A kind of transfer approach and device of ethernet physical layer chip status | |
| TWI704489B (en) | Status management in storage backed memory package | |
| CN111352873B (en) | NVMe protocol command processing method and device | |
| CN116225992A (en) | NVMe verification platform and method supporting virtualized simulation equipment | |
| JP2018524751A (en) | Computer device and method for reading / writing data by computer device | |
| US10977049B2 (en) | Installing of operating system | |
| CN114706531A (en) | Data processing method, device, chip, equipment and medium | |
| CN103577119A (en) | System and method for transferring data out of order in next generation solid state drive controller | |
| CN102591823A (en) | NAND flash controller with instruction queue function | |
| CN116302105B (en) | Access instruction scheduling method, system, hard disk, controller, storage medium and program product | |
| KR102116096B1 (en) | Multisystem, and method of booting the same | |
| CN116185499B (en) | Register data transmission method, register cache module, intelligent device and medium | |
| US11972110B2 (en) | Storage device and storage system | |
| CN111338998B (en) | FLASH access processing method and device based on AMP system | |
| CN105739919A (en) | Data access system and method | |
| US9507702B2 (en) | Method of performing write access by distributing control rights to threads, memory controller and flash memory storage device using the same | |
| WO2022126534A1 (en) | Data processing method and related device | |
| KR20130084902A (en) | Storage device, storage system, and i/o control method for the same | |
| CN104679688A (en) | Data access method, device and system | |
| CN103812893A (en) | Virtual desktop external equipment transmission method and system | |
| CN110221995B (en) | Data management method and system of integrated intelligent network card | |
| CN112732176B (en) | SSD (solid State disk) access method and device based on FPGA (field programmable Gate array), storage system and storage medium | |
| CN117149070A (en) | Data transmission method and solid state disk system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181225 |