CN110083481A - The guard method of logical physical mapping table, device and solid state hard disk based on HMB - Google Patents
The guard method of logical physical mapping table, device and solid state hard disk based on HMB Download PDFInfo
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- CN110083481A CN110083481A CN201910352537.7A CN201910352537A CN110083481A CN 110083481 A CN110083481 A CN 110083481A CN 201910352537 A CN201910352537 A CN 201910352537A CN 110083481 A CN110083481 A CN 110083481A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 239000007787 solid Substances 0.000 title claims abstract description 16
- 238000000151 deposition Methods 0.000 claims abstract description 20
- 238000012795 verification Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000010304 firing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013499 data model Methods 0.000 description 1
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- 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
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/21—Employing a record carrier using a specific recording technology
- G06F2212/214—Solid state disk
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Abstract
The invention discloses a kind of guard method of logical physical mapping table, device and solid state hard disk based on HMB, method include: to store logical physical mapping table process: generating CRC check data to the logical physical mapping table for depositing in host memory buffer；By CRC check data and logical physical mapping table associated storage in host memory buffer；It reads logical physical mapping table process: calling the logical physical mapping table for depositing in host memory buffer, CRC check is carried out to logical physical mapping table；When verification passes through, determine the logical physical mapping table got for trusted data.This programme is by generating CRC check data to the logical physical mapping table for depositing in host memory buffer, and by CRC check data and logical physical mapping table associated storage in host memory buffer, ensure to be stored in the accuracy of the logical physical mapping table of host, it avoids the logical physical map information because of read error from being directed toward the physical address of mistake, causes user data disorder.
Description
Technical field
The present invention relates to solid state hard disk fields, especially relate to a kind of logical physical mapping table protection based on HMB
Method, apparatus and solid state hard disk.
Background technique
SSD, full name in English are Solid State Drive, and Chinese is solid state drive or solid state hard disk, and solid-state is hard
Disk is manufactured hard disk with solid-state electronic storage chip array, because solid capacitance is referred to as in TaiWan, China English
Solid and gain the name.SSD is made of control unit and storage unit (FLASH chip, dram chip).
HMB, full name in English Host Memory Buffer, Chinese are host core buffer, as its name suggests, as
A set of mechanism is provided, SSD is allowed to use the memory headroom of the end Host free time by NVMe agreement.The memory headroom can replace
For DRAM, for the L2P table access at the end Device, accelerate to save cost while improving performance.But L2P table is stored in
Host end memory, the end SSD can not completely trust data integrality, be unfavorable for the write-in and reading of data.
Summary of the invention
In order to solve the defect of the above-mentioned prior art, the object of the present invention is to provide a kind of logical physicals based on HMB to reflect
Firing table guard method, device and solid state hard disk.
In order to achieve the above objectives, the technical scheme is that
A kind of logical physical mapping table guard method based on HMB, including,
Store logical physical mapping table process:
CRC check data are generated to the logical physical mapping table for depositing in host memory buffer；
By CRC check data and logical physical mapping table associated storage in host memory buffer；
Read logical physical mapping table process:
The logical physical mapping table for depositing in host memory buffer is called, CRC check is carried out to logical physical mapping table；
When verification passes through, determine the logical physical mapping table got for trusted data.
Further, after the logical physical mapping table that the judgement is got is trusted data step, further include,
NFC reads data according to the GPPA information in logical physical mapping table from NAND.
Further, described to call the logical physical mapping table for depositing in host memory buffer, logical physical is mapped
Before table carries out CRC check step, including,
The read command that receiving host issues.
Further, after the progress CRC check step to logical physical mapping table, further include,
It is obstructed out-of-date verifying, then logical physical mapping table covering host memory buffer Central Plains is retrieved from NAND
Some logical physical mapping tables；
Notice host re-issues read command.
Further, the described pair of logical physical mapping table for depositing in host memory buffer generates CRC verification data step
Before rapid, further include,
The write order that receiving host issues；
GPPA information can be used by being obtained according to write order, and be bound with current LPA information, and new logical physical mapping is generated
Table；
Logical physical mapping table is deposited in into host memory buffer.
The logical physical mapping table protective device based on HMB that the invention also provides a kind of, including,
Generation unit is verified, for generating CRC check number to the logical physical mapping table for depositing in host memory buffer
According to；
Associated storage unit, for buffering CRC check data and logical physical mapping table associated storage in host memory
In device；
Verification unit maps logical physical for calling the logical physical mapping table for depositing in host memory buffer
Table carries out CRC check；
Judging unit, the logical physical mapping table for when verification passes through, determining to get are trusted data.
It further, further include data-reading unit, for passing through NFC according to the GPPA information in logical physical mapping table
Data are read from NAND.
It further, further include capping unit and re-issuing unit,
The capping unit then retrieves logical physical mapping table covering master for not passing through in verification from NAND
Original logical physical mapping table in machine core buffer；
It is described to re-issue unit, for notifying host to re-issue read command.
It further, further include order receiving unit, mapping table generation unit and storage unit,
The order receiving unit, the write order issued for receiving host；
The mapping table generation unit can use GPPA information for obtaining according to write order, and tie up with current LPA information
It is fixed, generate new logical physical mapping table；
The storage unit, for logical physical mapping table to be deposited in host memory buffer.
The invention also provides a kind of solid state hard disks, comprising: master control, host memory and NAND, master control are responsible for running such as
Upper described in any item logical physical mapping table guard methods based on HMB, host memory is for storing logical physical mapping table
And CRC information, NAND are used to store the backup of user data and logical physical mapping table and CRC information.
The beneficial effects of the present invention are: this programme passes through the logical physical mapping table life to host memory buffer is deposited in
At CRC check data, and by CRC check data and logical physical mapping table associated storage in host memory buffer, it is ensured that
It is stored in the accuracy of the logical physical mapping table of host, the logical physical map information because of read error is avoided to be directed toward mistake
Physical address, cause user data disorder.
Detailed description of the invention
Fig. 1 is a kind of logical physical mapping table storage side of the logical physical mapping table guard method based on HMB of the present invention
Method flow chart；
Fig. 2 is that a kind of logical physical mapping table of the logical physical mapping table guard method based on HMB of the present invention reads tune
Use method flow diagram；
Fig. 3 is the data model figure that logical physical mapping table of the present invention and CRC check data correlation store；
Fig. 4 is a kind of applicating flow chart of the logical physical mapping table guard method based on HMB of one embodiment of the invention；
Fig. 5 is a kind of structural principle block diagram of the logical physical mapping table protective device based on HMB of the present invention；
Fig. 6 is a kind of structural principle block diagram of the logical physical mapping table protective device based on HMB of the present invention.
Specific embodiment
To illustrate thought and purpose of the invention, the present invention is done further below in conjunction with the drawings and specific embodiments
Explanation.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (up, down, left, right, before and after etc.) of institute is only used in the embodiment of the present invention
It explains in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the spy
When determining posture and changing, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, to be directly connected to, can also
To be to be indirectly connected with.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", "
Second " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment
It can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution goes out
Existing conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection
Within the scope of.
Unless otherwise instructed, herein "/" represent meaning as " or ".
NVMe: Nonvolatile memory host controller interface specification (Non-Volatile Memory express), is one
A logical device interface specification.
CRC: i.e. cyclic redundancy check code (Cyclic Redundancy Check).
L2P table: logical physical mapping table.
DRAM:Dynamic Random Access Memory, i.e. dynamic random access memory.
The physical address of GPPA:nand.
LPA: logical address.
NFC:Nand Flash Controller.
Referring to Fig.1-4, a kind of logical physical mapping table guard method based on HMB of a specific embodiment of the invention is proposed,
Including storage logical physical mapping table process and read logical physical mapping table process.
Storing logical physical mapping table process includes:
S10, CRC check data are generated to the logical physical mapping table for depositing in host memory buffer.
S20, by CRC check data and logical physical mapping table associated storage in host memory buffer.
Reading logical physical mapping table process includes:
S30, calling deposit in the logical physical mapping table of host memory buffer, carry out CRC to logical physical mapping table
Verification.
S40, when verification passes through, determine the logical physical mapping table got for trusted data.
For step S10 and S20, host memory buffer is also referred to as HMB, makes SSD can be with for providing a set of mechanism
By NVMe agreement using host side free time memory headroom substitute DRAM, storage logical physical mapping table, also referred to as L2P table or
Person's L2P mapping table saves cost while improving SSD performance.
When receiving the read command that host issues, by the logical physical mapping table for depositing in host memory buffer
CRC check data are generated, and by CRC check data and logical physical mapping table associated storage in host memory buffer, really
The accuracy for being placed on the logical physical mapping table of host is saved, avoids the logical physical map information because of read error from being directed toward wrong
Physical address accidentally, causes user data disorder.
It is further comprising the steps of before step S10 with reference to Fig. 1:
The write order that S11, receiving host issue；
S12, GPPA information can be used according to write order acquisition, and bound with current LPA information, generate new logical physical and reflect
Firing table；
S13, logical physical mapping table is deposited in into host memory buffer.
For step S11-S13, when receiving the write order that host issues, can first be believed with GPPA according to write order acquisition
Breath, and bound with current LPA information, new logical physical mapping table is generated, deposits in host memory buffer, then to logic object
Manage mapping table generate CRC check data, and simultaneously associated storage in host memory buffer.
For step S30 and S40, host memory buffering is stored in logical physical mapping table and CRC check data correlation
Device, solid state hard disk is when receiving the write order that host issues, while calling logic physical mappings table and CRC check data, and
The accuracy of logical physical mapping table is determined to the logical physical mapping table progress CRC check of calling according to CRC check data,
It verifies and successfully then represents the accurate trusted of logical physical mapping table, logical physical mapping table is recycled to carry out reading and writing data behaviour
Make, it is ensured that be stored in the accuracy of the logical physical mapping table of host, avoid the logical physical map information because of read error
It is directed toward the physical address of mistake, causes user data disorder.
Specifically, after the step s 40 further include: step S41, NFC is according to the GPPA information in logical physical mapping table
Data are read from NAND.
For step S41, after logical physical mapping table CRC check passes through, the accuracy of logical physical mapping table ensure that,
The end SSD can trust the logical physical mapping table, and by NFC according to the GPPA information carried in logical physical mapping table from
Data are read in NAND, complete the read operation of data.
Before step S30, the read command that is issued including step S31, receiving host.
With reference to Fig. 2, after step S30, further include,
S32, verify it is obstructed out-of-date, then retrieved from NAND logical physical mapping table covering host memory buffer
In original logical physical mapping table；
S33, notice host re-issue read command.
For step S32 and S33, when being initially generated just simultaneously by logical physical mapping table and CRC check data
Backup portion is stored in NAND, in the logical physical mapping table and CRC check number being stored in host memory buffer
When according to error, covering updates logical physical mapping table and CRC check data in host memory buffer, guarantees that logical physical is reflected
Firing table and CRC check Information Security.
When the logical physical mapping table got can not then represent the logical physical mapping table accuracy by CRC check
It not can guarantee, the end SSD does not use the logical physical mapping table, also, the logical physical of initial back-up is retrieved from NAND
Mapping table covering updates logical physical mapping table wrong in host memory buffer, repairs logical physical mapping table, it is known that patrol
It collects physical mappings table and passes through CRC check.
It is specific to flow for the present invention is based on the implementations of the concrete application of the logical physical mapping table guard method of HMB with reference to Fig. 4
Journey is as follows:
A10. host preparation issues read write command, executes process A20 in next step.
A20. judge the attribute of host transmitting order to lower levels, if write order, execute process A40 in next step；If read command, under
One step executes process A30.
A40. obtaining L2P table can bind with GPPA information and with current LPA information, generate new L2P table, hold in next step
Row process A41.
A41. corresponding CRC check data are generated according to new L2P table by software mechanism, executes process A42 in next step.
A42. L2P table is stored in HMB together with CRC check data, executes process A60 in next step.
A60. user data is written to by corresponding position in nand by the GPPA information in NFC and L2P table.
A30. the information in read command issued according to host obtains corresponding L2P table from HMB, executes stream in next step
Journey A31.
A31. CRC software verification scheme is utilized, is verified to from the L2P table of HMB, if passing through, executes process in next step
A60；If failure executes process A50 in next step.
A60. data are read from nand by GPPA information in NFC and L2P table.
A50. by the automatic Restoration Mechanism of software realization L2P table, i.e., correct L2P table covering HMB is re-read from NAND
The data of middle error execute process A51 in next step.
A51. notice host L2P table is successfully recovered, and is re-issued read command, is executed process A30 in next step.
Terminate.
This programme is incited somebody to action by generating CRC check data to the logical physical mapping table for depositing in host memory buffer
CRC check data and logical physical mapping table associated storage are in host memory buffer, it is ensured that are stored in the logic object of host
The accuracy for managing mapping table avoids the logical physical map information because of read error from being directed toward the physical address of mistake, causes to use
User data disorder.
The logical physical mapping table protective device based on HMB that refers to Figures 5 and 6 that the invention also provides a kind of, including,
Generation unit 10 is verified, for generating CRC check to the logical physical mapping table for depositing in host memory buffer
Data.
Associated storage unit 20, for delaying CRC check data and logical physical mapping table associated storage in host memory
It rushes in device.
Verification unit 30 reflects logical physical for calling the logical physical mapping table for depositing in host memory buffer
Firing table carries out CRC check.
Judging unit 40, the logical physical mapping table for when verification passes through, determining to get are trusted data.
For verification generation unit 10 and associated storage unit 20, host memory buffer is also referred to as HMB, for providing
A set of mechanism allows SSD to substitute DRAM using the memory headroom of host side free time by NVMe agreement, stores logical physical
Mapping table, also referred to as L2P table or L2P mapping table save cost while improving SSD performance.
When receiving the read command that host issues, by the logical physical mapping table for depositing in host memory buffer
CRC check data are generated, and by CRC check data and logical physical mapping table associated storage in host memory buffer, really
The accuracy for being placed on the logical physical mapping table of host is saved, avoids the logical physical map information because of read error from being directed toward wrong
Physical address accidentally, causes user data disorder.
A kind of logical physical mapping table protective device based on HMB of the present invention further includes order receiving unit 11, mapping table
Generation unit 12 and storage unit 13,
Order receiving unit 11, the write order issued for receiving host；
Mapping table generation unit 12 can use GPPA information for obtaining according to write order, and bind with current LPA information,
Generate new logical physical mapping table；
Storage unit 13, for logical physical mapping table to be deposited in host memory buffer.
For receiving unit 11, mapping table generation unit 12 and storage unit 13, in the write order for receiving host and issuing
When, GPPA information can be used by first being obtained according to write order, and be bound with current LPA information, generated new logical physical mapping table, deposited
Be put in host memory buffer, then CRC check data generated to logical physical mapping table, and simultaneously associated storage in host memory
Buffer.
For verification unit 30 and judging unit 40, master is stored in logical physical mapping table and CRC check data correlation
Machine core buffer, solid state hard disk is when receiving the write order that host issues, while calling logic physical mappings table and the school CRC
Data are tested, and CRC check is carried out to determine logical physical mapping table according to logical physical mapping table of the CRC check data to calling
Accuracy, verify and successfully then represent the accurate trusted of logical physical mapping table, recycle logical physical mapping table counted
According to read-write operation, it is ensured that be stored in the accuracy of the logical physical mapping table of host, the logical physical because of read error is avoided to reflect
Firing table information is directed toward the physical address of mistake, causes user data disorder.
A kind of logical physical mapping table protective device based on HMB of the present invention further includes data-reading unit 50, for leading to
It crosses NFC and data is read from NAND according to the GPPA information in logical physical mapping table.
For data-reading unit 50, after logical physical mapping table CRC check passes through, logical physical mapping table ensure that
Accuracy, the end SSD can trust the logical physical mapping table, and by NFC according to the GPPA carried in logical physical mapping table
Information reads data from NAND, completes the read operation of data.
A kind of logical physical mapping table protective device based on HMB of the present invention further includes capping unit 31 and re-issues
Unit 32,
Capping unit 31 then retrieves logical physical mapping table covering host for not passing through in verification from NAND
Original logical physical mapping table in core buffer；
Unit 32 is re-issued, for notifying host to re-issue read command.
For capping unit 31 and unit 32 is re-issued, logical physical mapping table and CRC check data are initially being given birth to
At when just back up portion simultaneously and be stored in NAND, in the logical physical mapping being stored in host memory buffer
When table and CRC check corrupt data, covering updates logical physical mapping table and CRC check data in host memory buffer,
Guarantee logical physical mapping table and CRC check Information Security.
When the logical physical mapping table got can not then represent the logical physical mapping table accuracy by CRC check
It not can guarantee, the end SSD does not use the logical physical mapping table, also, the logical physical of initial back-up is retrieved from NAND
Mapping table covering updates logical physical mapping table wrong in host memory buffer, repairs logical physical mapping table, it is known that patrol
It collects physical mappings table and passes through CRC check.
This programme is incited somebody to action by generating CRC check data to the logical physical mapping table for depositing in host memory buffer
CRC check data and logical physical mapping table associated storage are in host memory buffer, it is ensured that are stored in the logic object of host
The accuracy for managing mapping table avoids the logical physical map information because of read error from being directed toward the physical address of mistake, causes to use
User data disorder.
The invention also provides a kind of solid state hard disks characterized by comprising master control, host memory and NAND, master control
It is responsible for running as above described in any item logical physical mapping table guard methods based on HMB, host memory is for storing logic
Physical mappings table and CRC information, NAND are used to store the backup of user data and logical physical mapping table and CRC information.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. a kind of logical physical mapping table guard method based on HMB, which is characterized in that including,
Store logical physical mapping table process:
CRC check data are generated to the logical physical mapping table for depositing in host memory buffer；
By CRC check data and logical physical mapping table associated storage in host memory buffer；
Read logical physical mapping table process:
The logical physical mapping table for depositing in host memory buffer is called, CRC check is carried out to logical physical mapping table；
When verification passes through, determine the logical physical mapping table got for trusted data.
2. the logical physical mapping table guard method based on HMB as described in claim 1, which is characterized in that the judgement obtains
The logical physical mapping table got be trusted data step after, further include,
NFC reads data according to the GPPA information in logical physical mapping table from NAND.
3. the logical physical mapping table guard method based on HMB as described in claim 1, which is characterized in that the calling is deposited
It is put in the logical physical mapping table of host memory buffer, before carrying out CRC check step to logical physical mapping table, including,
The read command that receiving host issues.
4. the logical physical mapping table guard method based on HMB as claimed in claim 3, which is characterized in that the calling is deposited
It is put in the logical physical mapping table of host memory buffer, after carrying out CRC check step to logical physical mapping table, is also wrapped
It includes,
It is obstructed out-of-date verifying, then it is original in logical physical mapping table covering host memory buffer from being retrieved in NAND
Logical physical mapping table；
Notice host re-issues read command.
5. the logical physical mapping table guard method based on HMB as described in claim 1, which is characterized in that described pair of storage
Before the logical physical mapping table of host memory buffer generates CRC check data step, further include,
The write order that receiving host issues；
GPPA information can be used by being obtained according to write order, and be bound with current LPA information, and new logical physical mapping table is generated；
Logical physical mapping table is deposited in into host memory buffer.
6. a kind of logical physical mapping table protective device based on HMB, which is characterized in that including,
Generation unit is verified, for generating CRC check data to the logical physical mapping table for depositing in host memory buffer；
Associated storage unit is used for CRC check data and logical physical mapping table associated storage in host memory buffer；
Verification unit, for calling the logical physical mapping table for depositing in host memory buffer, to logical physical mapping table into
Row CRC check；
Judging unit, the logical physical mapping table for when verification passes through, determining to get are trusted data.
7. the logical physical mapping table protective device based on HMB as claimed in claim 6, which is characterized in that further include data
Reading unit, for reading data from NAND according to the GPPA information in logical physical mapping table by NFC.
8. the logical physical mapping table protective device based on HMB as claimed in claim 6, which is characterized in that further include covering
Unit and unit is re-issued,
The capping unit, for verification do not pass through, then from retrieved in NAND logical physical mapping table covering host in
Deposit original logical physical mapping table in buffer；
It is described to re-issue unit, for notifying host to re-issue read command.
9. the logical physical mapping table protective device based on HMB as claimed in claim 6, which is characterized in that further include order
Receiving unit, mapping table generation unit and storage unit,
The order receiving unit, the write order issued for receiving host；
The mapping table generation unit can use GPPA information for obtaining according to write order, and bind with current LPA information, raw
The logical physical mapping table of Cheng Xin；
The storage unit, for logical physical mapping table to be deposited in host memory buffer.
10. a kind of solid state hard disk characterized by comprising master control, host memory and NAND, master control are responsible for running such as right
It is required that the described in any item logical physical mapping table guard methods based on HMB of 1-5, host memory is reflected for storing logical physical
Firing table and CRC check data, NAND are used to store the backup of user data and logical physical mapping table and CRC check data.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111143111A (en) * | 2019-12-27 | 2020-05-12 | 深圳忆联信息系统有限公司 | SSD mapping table protection mechanism verification method and device, computer equipment and storage medium |
| CN113407120A (en) * | 2021-06-30 | 2021-09-17 | 深圳忆联信息系统有限公司 | Mapping table management method and device based on HMB and computer equipment |
| TWI744111B (en) * | 2020-11-10 | 2021-10-21 | 瑞昱半導體股份有限公司 | Method for establishing look-up table and inquiring memory address, method for establishing host memory address look-up table, and method for inquiring host memory address |
| CN113590506A (en) * | 2021-08-02 | 2021-11-02 | 联芸科技（杭州）有限公司 | HMB (high-speed Messaging bus) table item management method and solid-state disk control system |
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| CN113407120B (en) * | 2021-06-30 | 2023-02-10 | 深圳忆联信息系统有限公司 | Mapping table management method and device based on HMB and computer equipment |
| CN113590506A (en) * | 2021-08-02 | 2021-11-02 | 联芸科技（杭州）有限公司 | HMB (high-speed Messaging bus) table item management method and solid-state disk control system |
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