CN105739919A - Data access system and method - Google Patents
Data access system and method Download PDFInfo
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- CN105739919A CN105739919A CN201610039676.0A CN201610039676A CN105739919A CN 105739919 A CN105739919 A CN 105739919A CN 201610039676 A CN201610039676 A CN 201610039676A CN 105739919 A CN105739919 A CN 105739919A
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 211
- 238000005538 encapsulation Methods 0.000 claims abstract description 70
- 230000004044 response Effects 0.000 claims description 65
- 238000013500 data storage Methods 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 1
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- 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
- G06F3/0611—Improving I/O performance in relation to response time
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- 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
- G06F3/0629—Configuration or reconfiguration of storage systems
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- 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
- G06F3/0638—Organizing or formatting or addressing of data
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Abstract
The invention relates to a data access system and method. The data access system comprises a data access unit, a data storage unit, a data transmission interface, a memory, a first encapsulation module and a first de-encapsulation module, wherein the data storage unit comprises a plurality of storage addresses for writing or reading data, and each piece of data has a storage address when being stored in the data storage unit; when the data access unit is to access multiple pieces of data with continuous or discontinuous storage addresses, the data access unit issues multiple request instructions, the multiple request instructions are encapsulated into a single special request instruction by the first encapsulation module, and the special request instruction is transmitted by the data transmission interface; and when the data storage unit receives the special request instruction, the special request instruction is de-encapsulated by the first de-encapsulation module to obtain the multiple request instructions at one time, and the multiple pieces of data are accessed by executing the multiple request instructions, so that the data access efficiency is improved.
Description
Technical field
The present invention is related to a kind of data accessing system and access method, espespecially a kind of in order to access many data accessing systems storing the continuous or discrete data in address and method.
Background technology
Current Information System is made up of a data access unit and a data memory unit.Data access unit can be a processor or a peripheral device, and data memory unit can be a storage device, as HDD, SSD or one other can the device of data on file.
When data access unit is intended to the access stored data of data memory unit, it is possible to send one or more request instruction to data memory unit.Data memory unit, after receiving request instruction, performs request instruction, to carry out the access of data, for instance: data reads to memorizer from data memory unit from memorizer write to data memory unit or data.Data memory unit, after having carried out data access, transmits one or more reaction instruction to data access unit, to inform that data access is disposed.
Adopting the access mode of conventional data, when data access unit to access many documents for data memory unit, if the storage address of many documents is successional, then, many request instructions can be merged into single request instruction by data access unit.Then, after data memory unit receives this single request instruction from data access unit, merge and access many documents.Contrary, if the storage address of many documents is discontinuity, then, many request instructions cannot be merged into single request instruction by data access unit, after can be only done a document access between data access unit and data memory unit, the access of next record data could be continued.
For Fig. 1, when data access unit to access (as read or write) three document D1, D2, D3 for data memory unit 15, owing to the storage address of three document D1, D2, D3 is continuous print, the storage address of this three document D1, D2, D3 can be linked together by data access unit, and the request instruction that three document D1, D2, D3 read is merged into single request instruction, and using the storage address (Address1) of the first stroke data D1 as the initial address of the data access of single request instruction.Then, data memory unit 15, after receiving this single request instruction, is pursuant to storage address (Address1) successional access data D1, D2, D3.Otherwise, when data access unit to read three document D4, D5, D6 for data memory unit 15, owing to the storage address (Address4～6) of three document D4, D5, D6 is for discontinuous, the storage address of three document D4, D5, D6 cannot link together, data access unit can only first transmit the request instruction of the first stroke data D4 to data memory unit 15, after data memory unit 15 completes access and the transmission reaction instruction of the first stroke data D4, data access unit could continue lower two document D5, D6 accesses and process.Then, during the discontinuous data in the past access many storage addresses, data must process stroke by stroke, and this will cause the low of information acces efficiency.
Summary of the invention
One purpose of the present invention, it is in that to propose a kind of data accessing system and method, its data accessing system includes a data access unit and a data memory unit, when the continuous or discrete data in many storage addresses of data access unit desire access, issue many request instructions, utilizing an encapsulation module to encapsulate many request instructions is single particular request instruction, and transmit particular request instruction via a data transmission interface, afterwards, when data memory unit receives particular request instruction, a deblocking module deblocking particular request instruction is utilized namely can once to obtain many request instructions, quickly to perform the access of many documents and to improve the efficiency of data access.
A further object of the present invention, it is in that to propose a kind of data accessing system and method, wherein data memory unit is after having performed every request instruction, a reaction instruction will be produced respectively, after data memory unit has performed all of request instruction, utilizing an encapsulation module to encapsulate responded instruction is single specific response instruction, and via a data transmission interface transmission specific response instruction to data access unit, when data access unit receives specific response instruction, a deblocking module deblocking specific response instruction is utilized namely can once to obtain many reaction instructions, and learn that the request executed of multiple data access is complete.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of data accessing system, including: a data memory unit, include a plurality of storage address, in order to provide write or the reading of data, wherein every document has a storage address when being stored in data memory unit respectively；One data access unit, when data access unit is intended to access many documents for data memory unit, issues multiple request instruction in order to data access；One data transmission interface, is arranged between data memory unit and data access unit；One memorizer, connects data transmission interface；One first encapsulation module, is arranged between data access unit and data transmission interface, and multiple request instructions are encapsulated as single particular request instruction, transmits particular request instruction via data transmission interface；And one first deblocking module, it is arranged between data memory unit and data transmission interface, particular request instruction is received via data transmission interface, it is multiple request instruction by particular request instruction deblocking, wherein data memory unit obtains multiple request instructions via the first deblocking module, perform each request instruction to access every document, and after each request instruction has performed, produce a reaction instruction respectively, and via the data transmission interface each reaction instruction of transmission to data access unit.
In one embodiment of the invention, data access unit accesses many storage discontinuous data in address or many storage address continuous print data for data memory unit.
In one embodiment of the invention, when data memory unit performs request instruction, data is write to data memory unit from memorizer, or data is read to memorizer from data memory unit.
In one embodiment of the invention, each request instruction includes multiple data access parameter, and data access parameter includes the storage address of a data, the length of a data and one points to the write/reading index of data address of memorizer.
In one embodiment of the invention, data transmission interface is for according with a SATA standard specification, a PCIeThe transmission interface of standard specifications, a SAS standard specification, an iSCSI standard specifications, an iSER standard specifications, a SRP standard specifications or other types standard specifications.
In one embodiment of the invention, the instruction format of particular request instruction accords with the specification of a standardized transmission layer agreement, particular request instruction has multiple standardsization transmission field according to the agreement of standardized transmission layer to formulate, and the various data access parameters of each request instruction are pursuant to the specification of standardized transmission layer agreement and are respectively filled among the standardized transmission field of corresponding particular request instruction.
In one embodiment of the invention, particular request instruction also includes a particular request position, and particular request position is inserted to the unused storage space of a wherein standardized transmission field.
In one embodiment of the invention, memorizer includes an information data area and a reserved area, information data area is configured to temporarily store data, data accessing system is formulated has an encapsulation number parameter and to retain dimensional parameters, reserved area is configured to temporarily store each request instruction, encapsulation number parameter and retains dimensional parameters, retain the dimensional parameters memory space in order to planned reserve, when the first encapsulation module performs encapsulation, multiple request instructions are obtained from reserved area, and according to encapsulation number parameter to determine that particular request instruction encapsulates the request instruction of many small number.
In one embodiment of the invention, the form of the transmission field of particular request instruction is by data transmission interface institute self-defining, and wherein data transmission interface is that the transmission control protocol with a self-defining is to transmit particular request instruction.
In one embodiment of the invention, particular request instruction transmission field be defined one include one request data write or read instruction information nonstandardized technique transmission field, one include an encapsulation number parameter nonstandardized technique transmission field and multiple record have each request instruction data access parameter nonstandardized technique transmit field.
The present invention provides again a kind of data accessing system, including: a data memory unit, include a plurality of storage address, in order to provide write or the reading of data, wherein every document has a storage address when being stored in data memory unit respectively；One data access unit, when data access unit is intended to access many documents for data memory unit, issues multiple request instruction in order to data access；One data transmission interface, is arranged between data memory unit and data access unit；One memorizer, connects data transmission interface；One first encapsulation module, is arranged between data access unit and data transmission interface, and multiple request instructions are encapsulated as single particular request instruction, transmits particular request instruction via data transmission interface；One first deblocking module, it is arranged between data memory unit and data transmission interface, particular request instruction is received via data transmission interface, it is multiple request instruction by particular request instruction deblocking, wherein data memory unit obtains multiple request instructions via the first deblocking module, perform each request instruction to access every document, and after each request instruction has performed, produce a reaction instruction respectively, and transmit each reaction instruction to memorizer via data transmission interface, the wherein each reaction instruction of memorizer received in sequence temporary multiple reaction instructions；One second encapsulation module, is arranged between data memory unit and data transmission interface, and multiple reaction instructions are encapsulated as single specific response instruction, transmits specific response instruction via data transmission interface；And one second deblocking module, it is arranged between data access unit and data transmission interface, receives specific response instruction via data transmission interface, be multiple reaction instructions by specific response instruction deblocking, and multiple reaction instructions are sent to data access unit.
In one embodiment of the invention, the instruction format of specific response instruction accords with the specification of a standardized transmission layer agreement, specific response instruction has at least one standardized transmission field according to the agreement of standardized transmission layer to formulate, each reaction instruction includes at least one access results parameter, and each each access results parameter reacting instruction is pursuant to the specification of standardized transmission layer agreement and is respectively filled in the standardized transmission field of corresponding specific response instruction.
In one embodiment of the invention, specific response instruction also includes a specific response position, and specific response position will be inserted to the unused storage space of standardized transmission field.
In one embodiment of the invention, memorizer includes an information data area and a reserved area, information data area is configured to temporarily store data, data accessing system is formulated has an encapsulation number parameter and to retain dimensional parameters, reserved area is configured to temporarily store each reaction instruction, encapsulation number parameter and retains dimensional parameters, retain the dimensional parameters memory space in order to planned reserve, when the second encapsulation module performs encapsulation, multiple reaction instructions are obtained from reserved area, and according to encapsulation number parameter to determine that specific response instruction encapsulates the reaction instruction of many small number.
In one embodiment of the invention, the form of the transmission field of specific response instruction is by data transmission interface institute self-defining, and wherein data transmission interface is that the transmission control protocol with a self-defining is to transmit specific response instruction.
In one embodiment of the invention, specific response instruction transmission field be defined one include an encapsulation number parameter nonstandardized technique transmission field and multiple record have each reaction instruction access results parameter nonstandardized technique transmission field.
The present invention provides again a kind of data access method, its method is applied on a data accessing system, data accessing system includes a data access unit and a data memory unit, and the step that data access unit carries out the access of many documents for data memory unit includes: make data access unit issue multiple request instructions in order to data access；Utilize one first encapsulation module to encapsulate multiple request instructions and be encapsulated as single particular request instruction；Particular request instruction is transmitted via a data transmission interface；Data memory unit is made to receive particular request instruction and deblocking particular request instruction to obtain multiple request instruction via the first deblocking module；Data memory unit is made to perform each request instruction to access every document；And make data access unit produce a reaction instruction after having performed each request instruction respectively and via the data transmission interface each reaction instruction of transmission to data access unit.
In one embodiment of the invention, data transmission interface transmits particular request instruction with the transmission control protocol of a standardized transmission control protocol or a self-defining.
The present invention provides again a kind of data access method, its method is applied on a data accessing system, data accessing system includes a data access unit and a data memory unit, and the step that data access unit carries out the access of many documents for data memory unit includes: make data access unit issue multiple request instructions in order to data access；Utilize one first encapsulation module that multiple request instructions are encapsulated as single particular request instruction；Particular request instruction is transmitted via a data transmission interface；Data memory unit is made to receive particular request instruction and deblocking particular request instruction to obtain multiple request instruction via the first deblocking module；Data memory unit is made to perform each request instruction to access every document；Data memory unit is made after having performed each request instruction, to produce a reaction instruction respectively；Utilize one second encapsulation module to encapsulate multiple reaction instructions and be encapsulated as single specific response instruction；Specific response instruction is transmitted via data transmission interface；And make data access unit receive specific response instruction and deblocking specific response instruction to obtain multiple reaction instruction via one second deblocking module.
In one embodiment of the invention, data transmission interface transmits specific response instruction with the transmission control protocol of a standardized transmission control protocol or a self-defining.
Accompanying drawing explanation
Fig. 1 is the data structure schematic diagram of conventional data memory unit.
Fig. 2 is the structural representation of an embodiment of data accessing system of the present invention.
Fig. 3 is the structural representation of an embodiment of the transmission field of particular request instruction of the present invention.
Fig. 4 is the data structure schematic diagram of memorizer of the present invention.
Fig. 5 is the data structure schematic diagram of an embodiment of data memory unit of the present invention.
Fig. 6 is the data structure schematic diagram of the another embodiment of data memory unit of the present invention.
Fig. 7 is the structural representation of the another embodiment of data accessing system of the present invention.
Fig. 8 is the structural representation of the another embodiment of data accessing system of the present invention.
Fig. 9 is the structural representation of the another embodiment of the transmission field of particular request instruction of the present invention.
Figure 10 is the data structure schematic diagram of the another embodiment of data memory unit of the present invention
Figure 11 is the structural representation of the another embodiment of the transmission field of particular request instruction of the present invention.
Figure 12 is the structural representation of the another embodiment of data accessing system of the present invention.
Figure 13 is the structural representation of an embodiment of the transmission field of specific response instruction of the present invention.
Primary clustering symbol description:
15 data memory unit 200 data accessing systems
201 data accessing system 21 data access unit
210 request instruction 210 (A) the first request instructions
210 (B) second request instruction 210 (C) the 3rd request instruction
2101 data access parameter 2102 data access parameters
2103 data access parameter 22 first encapsulation module
220 particular request instruction 2200 standardized transmission fields
2201 standardized transmission field 2202 standardized transmission fields
2203 standardized transmission field 221 particular request instructions
2210 nonstandardized technique transmission field 2211 nonstandardized technique transmission fields
2212 nonstandardized technique transmission field 2215 nonstandardized technique transmission fields
23 data transmission interface 24 first deblocking modules
25 data memory units 250 react instruction
2501 access results parameter 26 second encapsulation module
260 specific response instruction 261 specific response instructions
2610 nonstandardized technique transmission field 2611 nonstandardized technique transmission fields
27 memorizer 271 reserved areas
273 information data area 28 second deblocking modules
281 encapsulation number parameter 282 retain dimensional parameters
CN encapsulates number parameter
P1 particular request position
P2 specific response position
Detailed description of the invention
Refer to Fig. 2, for the structural representation of an embodiment of data accessing system of the present invention.As it can be seen, data accessing system 200 of the present invention includes data access unit 21,1 first encapsulation module 22, data transmission interface 23,1 first deblocking module 24, data memory unit 25 and a memorizer 27.Data transmission interface 23 is arranged between data access unit 21 and data memory unit 25, in order to data transmission and instruction.Data memory unit 25 includes a plurality of storage address, in order to provide write or the reading of data, has a storage address when every document is stored in data memory unit 25 respectively.Memorizer 27 connects data transmission interface 23, is configured to temporarily store data or instruction.First encapsulation module 22 is arranged between data access unit 21 and data transmission interface 23, and the first deblocking module 24 is arranged between data memory unit 25 and data transmission interface 23.In one embodiment of the invention, the first encapsulation module 22 can be a component being arranged within data access unit 21, and the first deblocking module 24 can be a component being arranged within data memory unit 25.
When data access unit 21 is intended to access many documents for data memory unit 25, issue the request instruction 210 of many access data.Request instruction 210 can be one data write request or a data read request.Many documents that data access unit 21 to access, its storage address in data memory unit 25 can be continuous or discontinuous.
Then, multiple request instructions 210 that data access unit 21 is issued by the first encapsulation module 22 are encapsulated as single particular request instruction 220, and transmit particular request instruction 220 via data transmission interface 23.Data memory unit 25 via the first deblocking module 24 deblocking particular request instruction 220 to obtain multiple request instruction 210, perform each request instruction 210 to access every document, such as: data is write to data memory unit 25 from memorizer 27, or data is read to memorizer 27 from data memory unit 25.Afterwards, data memory unit 25, after having performed each request instruction 210, produces a reaction instruction 250 respectively, transmits each reaction instruction 250 to data access unit 21 via data transmission interface 23, complete with report request executed.
Then, utilize multiple request instructions 210 that data access unit 21 is issued by the first encapsulation module 22 to be encapsulated as single particular request instruction 220 to be transmitted.Afterwards, when data memory unit 25 receives particular request instruction 220, one first deblocking module 24 deblocking particular request instruction 220 is utilized namely can once to obtain many request instructions 210, so as to quickly to perform the access of many documents and improve the efficiency of data access.
Furthermore, each request instruction 210 includes multiple data access parameter 2101～2103, for instance: data access parameter 2101 is that data is intended to storage address, the data access parameter 2102 of access be the length of data, data access parameter 2103 be the write index of the data address of a sensing memorizer 27 or the reading index of the data address of a sensing memorizer 27.When data memory unit 25 performs request instruction 210, the instruction of each data access parameter 2101～2103 will be pursuant to access data.
Data transmission interface 23 is a transmission interface according with SATA standard specification, PCIe standard specification, SAS standard specification, iSCSI standard specifications, iSER standard specifications, SRP standard specifications or other types standard specifications.In an embodiment of the present invention, data or instruction (such as particular request instruction 220) that data transmission interface 23 transmits will accord with the specification of a standardized transmission layer agreement, for instance: the transmission control protocol of SATA standard specification or the transmission control protocol of other standards specification.
As shown in Figure 3, the specification reached an agreement on according to standardized transmission layer has been formulated multiple standardized transmission field 2200～2203 by the particular request instruction 220 of the present embodiment, for instance: the standardized transmission field 2202, of standardized transmission field 2201, the data length of standardized transmission field 2200, the data storage address that a request data write or request data read writes index or reads the standardized transmission field 2203 of index.When the first encapsulation module 22 performs canned program, the specification being pursuant to the agreement of standardized transmission layer is filled among corresponding standardized transmission field 2201～2203 by the data access parameter 2101～2103 of each request instruction 210 one by one, in order to particular request instruction 220 is packaged with the data access parameter 2101～2103 of multiple request instruction 210.Furthermore, in one embodiment of the invention, particular request instruction 220 still includes a particular request position (P1).Particular request position (P1) will be inserted to the unused storage space of a wherein standardized transmission field 2200/2201/2202/2203.Such as: particular request position (P1) inserts to the unused storage space of the standardized transmission field 2201 of data storage address.When data memory unit 25 receives particular request instruction 220, can pick out particular request instruction 220 via particular request position (P1) is an instruction including multiple request, to utilize the first deblocking module 24 deblocking particular request instruction 220 to obtain the data access parameter 2101～2103 of multiple request instruction 210.
Continuing, as shown in Figure 4, the present embodiment memorizer 27 includes reserved area 271 and an information data area 273.Information data area 273 is by the data of temporary general access, and each request instruction 210 that data access unit 21 is issued can be temporarily stored among reserved area 271.When the first encapsulation module 22 performs canned program, each data access parameter 2101～2103 of each request instruction 210 will be obtained, each data access parameter 2101～2103 of each request instruction 210 to be inserted one by one to standardized transmission field 2201～2203 from the reserved area 271 of memorizer 27.There is an encapsulation number parameter 281 and to retain dimensional parameters 282 additionally, data accessing system 200 of the present invention is formulated, encapsulate number parameter 281 and reservation dimensional parameters 282 also can be temporarily stored among reserved area 271.Encapsulation number parameter 281 is in order to indicate the quantity of request instruction 210 for package in single particular request instruction 220, and retains the dimensional parameters 282 memory space in order to planned reserve 271.In one embodiment of the invention, the first encapsulation module 22 will be pursuant to encapsulation number parameter 281 to determine that particular request instruction 220 encapsulates the request instruction 210 of many small number.
For Fig. 5, when data access unit 21 is intended to write three the storage discontinuous data D1 in address, D2, D3 for data memory unit 25, issue three request instructions, for instance: the first request instruction 210 (A), the second request instruction 210 (B) and the 3rd request instruction 210 (C).When the first encapsulation module 22 performs canned program, the data access parameter 2101～2103 of three request instructions 210 (A)～210 (C) is filled among the standardized transmission field 2201～2203 of single particular request instruction 220 by specification respectively one by one that be pursuant to the agreement of standardized transmission layer, in order to particular request instruction 220 is packaged with the data access parameter 2101～2103 of three request instructions 210 (A)～(C).Additionally, particular request position (P1) also can insert in the lump to the unused storage space of a wherein standardized transmission field 2200/2201/2202/2203.
Continue, when data memory unit 25 receives particular request instruction 220 via data transmission interface 23, the first deblocking module 24 deblocking particular request instruction 220 will be utilized, in order to obtain the data access parameter 2101～2103 of three request instruction 210 (A)～(C).Data memory unit 25 is pursuant to the request of three request instructions 210 (A)～(C), in order or be synchronously written into three documents to storing among address (Address1～3), and produce the reaction instruction 250 that a data access completes respectively.Then, illustrate via above-mentioned example, data memory unit 25 can pass through deblocking particular request instruction 220 and once obtain many discontinuous data storage addresses, access to carry out many documents according to many discontinuous data storage addresses simultaneously processes, cause to improve in the past access many storage discontinuous data in address time efficiency not good between topic.
Furthermore, the data access process of data accessing system 200 of the present invention is except being used in write or reading in many discontinuous data in storage address, as shown in Figure 5, also can be useful in write or read in many storage address continuous print data, as shown in Figure 6, in this, it is not repeated to set forth.
Refer to Fig. 7, for the structural representation of the another embodiment of data accessing system of the present invention.As it is shown in fig. 7, data accessing system 200 of the present invention is except being packaged program for multiple request instructions 210, it is also possible to be packaged program for multiple reaction instructions 250.
The data accessing system 200 of the present embodiment still includes one second encapsulation module 26 and one second deblocking module 28.Second encapsulation module 26 is arranged between data memory unit 25 and data transmission interface 23, and the second deblocking module 28 is arranged between data access unit 21 and data transmission interface 23.In one embodiment of the invention, the second encapsulation module 26 can be the component within a data memory unit 25, and the second deblocking module 28 can be the component within a data access unit 21.
As it has been described above, data memory unit 25 of the present invention is after having performed each request instruction 210, a reaction instruction 250 will be produced respectively.Each reaction instruction 250 includes at least one access results parameter 2501.In the present embodiment, the produced each reaction instruction 250 of data memory unit 25 is by the reserved area 271 being temporarily stored in memorizer 27, as shown in Figure 4.After data memory unit 25 has performed all of request instruction 210, the second encapsulation module 26 will obtain multiple reaction instruction 250 from the reserved area 271 of memorizer 27, and these multiple reaction instructions 250 are encapsulated as single specific response instruction 260.
The form of the transmission field of the single specific response instruction 260 of the present embodiment also complies with in the specification of standardized transmission layer agreement.When the second encapsulation module 26 performs canned program, the specification being pursuant to the agreement of standardized transmission layer is filled among the standardized transmission field that specific response instruction 260 is formulated by each access results parameter 2501 reacting instruction 250 one by one, in order to specific response instruction 260 can be packaged with the access results parameter 2501 of multiple reaction.Additionally, in one embodiment of the invention, the second encapsulation module 26 will be pursuant to encapsulation number parameter 281 to determine that this single specific response instruction 260 encapsulates the reaction instruction 250 of many small number.Additionally, a specific response position (P2) also can be encapsulated among the unused storage space of standardized transmission field of specific response instruction 260.When data access unit 21 receives specific response instruction 260, can pick out specific response instruction 260 via specific response position (P2) is an instruction including multiple reaction, to utilize the second deblocking module 28 deblocking specific response instruction 260 once to obtain the access results parameter 2501 of many reaction instructions 250, and learn that the request executed of multiple data access is complete.
Refer to Fig. 8, for the structural representation of the another embodiment of data accessing system of the present invention.In the data accessing system 200 of above-described embodiment, the form system of the transmission field of particular request instruction 220 follows in the specification of current standardized transmission layer agreement.In the present embodiment data accessing system 201, data transmission interface 23 can self-defining particular request instruction 221 transmission field form, transmit particular request instruction 221 with the transmission control protocol of a self-defining.
As shown in Figure 9, the form system of the transmission field of particular request instruction 221 is defined by data transmission interface 23, and its definition has the nonstandardized technique transmission field 2210, of a request data write or reading to encapsulate the nonstandardized technique transmission field 2211 of number parameter (CN) and the nonstandardized technique transmission field 2215 of multiple request.Nonstandardized technique transmission field 2210 is a data write request or a data read requests in order to indicate request instruction 210, nonstandardized technique transmission field 2211 is in order to indicate particular request instruction 221 to encapsulate the request instruction 210 of many small number, and each nonstandardized technique transmission field 2215 is in order to record the data access parameter 2101～2103 of each request instruction 210.When first encapsulation module 22 performs canned program, the transmission control protocol being pursuant to data transmission interface 23 self-defining is encapsulated among single particular request instruction 221 with the data access parameter 2101～2103 by multiple request instructions 210.Afterwards, the transmission control protocol with self-defining is transmitted particular request instruction 221 to data memory unit 25 by data transmission interface 23.
When data memory unit 25 receives particular request instruction 221 via data transmission interface 23, utilize the first deblocking module 24 deblocking particular request instruction 221 to obtain the data access parameter 2101～2103 of the instruction information of a request data write, the encapsulation parameter (CN) of quantity and multiple request instruction 210.Data memory unit 25 is pursuant to encapsulation number parameter (CN) and is encapsulated among particular request instruction 221 with the request instruction 210 learning many small number, and according to the data access parameter 2101～2103 of multiple request instructions 210 perform many documents access process, and many documents access after produce multiple reaction instruction 250 to return data access unit 21.
So implement according to this, data memory unit 25 also can once obtain many discontinuous or continuous print data storage addresses by deblocking particular request instruction 221, with according to many discontinuous or continuous print data storage address carries out the access of many documents and processes simultaneously, to improve the speed of data access.
Separately, in further embodiment of this invention, when multiple continuous print of many documents write to data memory unit 25 to be stored address by data access unit 21, multiple storage addresses can be merged and link together by data access unit 21, and store, using first, the initial address that address (Address1) writes as data, as shown in Figure 10.Then, as shown in figure 11, data transmission interface 23 is when defining the form of transmission field of particular request instruction 220, it is possible to set up the nonstandardized technique transmission field 2212 of a write index.This nonstandardized technique transmission field 2212 will in order to record the write index of a sensing first storage address (Address1).Furthermore, owing to multiple storage addresses have merged link, therefore, can omit, in the nonstandardized technique transmission field 2215 of request, the data access parameter 2101 that record write index is relevant, only need to record other data access parameters 2101～2102.Afterwards, during data memory unit 25 deblocking particular request instruction 221, will can obtain the initial address of data access, and access many documents according to the initial address seriality of data access.
Refer to Figure 12, for the structural representation of the another embodiment of data accessing system of the present invention.In the present embodiment, multiple reaction instructions 250 also can be encapsulated as single specific response instruction 261, and the form system of the transmission field of specific response instruction 261 is by 23 self-definings of data transmission interface.Data transmission interface 23 will transmit specific response instruction 261 with the transmission control protocol of a self-defining.
As shown in figure 13, the form system of the transmission field of specific response instruction 261 is defined by data transmission interface, and its definition has the nonstandardized technique transmission field 2610 of an encapsulation number parameter (CN) and the nonstandardized technique transmission field 2611 of multiple reaction.Nonstandardized technique transmission field 2610 is in order to indicate specific response instruction 261 to encapsulate the reaction instruction 250 of many small number, and each nonstandardized technique transmission field 2611 is in order to record the access results parameter 2501 of each reaction instruction 250.
When data access unit 21 receives specific response instruction 261 via data transmission interface 23, utilize the access results parameter 2501 of the second deblocking module 28 deblocking specific response instruction 261 parameter (CN) and multiple reaction to obtain an encapsulation quantity.Data access unit 21 is pursuant to encapsulation number parameter (CN) and is encapsulated among specific response instruction 261 with the reaction instruction 250 learning many small number, and is pursuant to access results parameter 2501 to learn that all request executed is complete.
Via above-mentioned, the request instruction 250 that many documents are accessed by data access unit 21 of the present invention is encapsulated as single particular request instruction 220/221, and transmits particular request instruction 220/221 with the transmission control protocol of the agreement of standardized transmission layer or self-defining.Afterwards, when data memory unit 25 receives particular request instruction 220/221, can deblocking particular request instruction 220/221 and once obtain many continuous or discrete data storage addresses, and according to many continuous or discrete data storage addresses sequentially or concurrently carry out many documents access process, use raising information acces efficiency.
As described above; it is only a preferred embodiment of the present invention; not being used for limiting scope of the invention process, namely all equalizations done according to the shape described in the present patent application the scope of the claims, structure, feature and spirit change and modify, and all should be included within the scope of the patent protection of the present invention.
Claims (23)
1. data accessing system, it is characterised in that including:
One data memory unit, includes a plurality of storage address, and in order to provide write or the reading of data, wherein every document has a storage address when being stored in data memory unit respectively；
One data access unit, when data access unit is intended to access many documents for data memory unit, issues multiple request instruction in order to data access；
One data transmission interface, is arranged between data memory unit and data access unit；
One memorizer, connects data transmission interface；
One first encapsulation module, is arranged between data access unit and data transmission interface, and multiple request instructions are encapsulated as single particular request instruction, transmits particular request instruction via data transmission interface；And
One first deblocking module, it is arranged between data memory unit and data transmission interface, particular request instruction is received via data transmission interface, it is multiple request instruction by particular request instruction deblocking, wherein data memory unit obtains multiple request instructions via the first deblocking module, perform each request instruction to access every document, and after each request instruction has performed, produce a reaction instruction respectively, and via the data transmission interface each reaction instruction of transmission to data access unit.
2. data accessing system according to claim 1, it is characterised in that described data access unit accesses many storage discontinuous data in address or many storage address continuous print data for described data memory unit.
3. data accessing system according to claim 1, it is characterized in that, when described data memory unit performs described request instruction, data is write to described data memory unit from described memorizer, or data is read to described memorizer from described data memory unit.
4. data accessing system according to claim 1, it is characterized in that, each described request instruction includes multiple data access parameter, and this data access parameter includes the storage address of a data, the length of a data and one points to the write/reading index of data address of described memorizer.
5. data accessing system according to claim 4, it is characterized in that, described data transmission interface is the transmission interface according with a SATA standard specification, a PCIe standard specification, a SAS standard specification, an iSCSI standard specifications, an iSER standard specifications, a SRP standard specifications or other types standard specifications.
6. data accessing system according to claim 5, it is characterized in that, the instruction format of described particular request instruction accords with the specification of a standardized transmission layer agreement, described particular request instruction has multiple standardsization transmission field according to the agreement of this standardized transmission layer to formulate, and the various described data access parameter of each described request instruction is pursuant to the specification of this standardized transmission layer agreement and is respectively filled among this standardized transmission field of corresponding described particular request instruction.
7. data accessing system according to claim 6, it is characterised in that described particular request instruction also includes a particular request position, this particular request position is inserted to the wherein unused storage space of standardized transmission field described in.
8. data accessing system according to claim 1, it is characterized in that, described memorizer includes an information data area and a reserved area, this information data area is configured to temporarily store data, this data accessing system is formulated has an encapsulation number parameter and to retain dimensional parameters, this reserved area is configured to temporarily store each described request instruction, this encapsulation number parameter and this reservation dimensional parameters, this reservation dimensional parameters is in order to plan the memory space of this reserved area, when described first encapsulation module performs encapsulation, multiple described request instructions are obtained from this reserved area, and according to this encapsulation number parameter to determine that described particular request instruction encapsulates the request instruction of many small number.
9. data accessing system according to claim 1, it is characterized in that, the form of the transmission field of described particular request instruction is by described data transmission interface institute self-defining, and wherein said data transmission interface is that the transmission control protocol with a self-defining is to transmit described particular request instruction.
10. data accessing system according to claim 9, it is characterized in that, described particular request instruction transmission field be defined one include one request data write or read instruction information nonstandardized technique transmission field, one include an encapsulation number parameter nonstandardized technique transmission field and multiple record have each described request instruction described data access parameter nonstandardized technique transmit field.
11. data accessing system, it is characterised in that including:
One data memory unit, includes a plurality of storage address, and in order to provide write or the reading of data, wherein every document has a storage address when being stored in data memory unit respectively；
One data access unit, when data access unit is intended to access many documents for data memory unit, issues multiple request instruction in order to data access；
One data transmission interface, is arranged between data memory unit and data access unit；
One memorizer, connects data transmission interface；
One first encapsulation module, is arranged between data access unit and data transmission interface, and multiple request instructions are encapsulated as single particular request instruction, transmits particular request instruction via data transmission interface；
One first deblocking module, it is arranged between data memory unit and data transmission interface, particular request instruction is received via data transmission interface, it is multiple request instruction by particular request instruction deblocking, wherein data memory unit obtains multiple request instructions via the first deblocking module, perform each request instruction to access every document, and after each request instruction has performed, produce a reaction instruction respectively, and transmit each reaction instruction to memorizer via data transmission interface, the wherein each reaction instruction of memorizer received in sequence temporary multiple reaction instructions；
One second encapsulation module, is arranged between data memory unit and data transmission interface, and multiple reaction instructions are encapsulated as single specific response instruction, transmits specific response instruction via data transmission interface；And
One second deblocking module, is arranged between data access unit and data transmission interface, receives specific response instruction via data transmission interface, is multiple reaction instructions by specific response instruction deblocking, and multiple reaction instructions are sent to data access unit.
12. data accessing system according to claim 11, it is characterized in that, described data transmission interface is the transmission interface according with a SATA standard specification, a PCIe standard specification, a SAS standard specification, an iSCSI standard specifications, an iSER standard specifications, a SRP standard specifications or other types standard specifications.
13. data accessing system according to claim 12, it is characterized in that, the instruction format of described specific response instruction accords with the specification of a standardized transmission layer agreement, described specific response instruction has at least one standardized transmission field according to the agreement of this standardized transmission layer to formulate, each described reaction instruction includes at least one access results parameter, and each each access results parameter reacting instruction is pursuant to the specification of this standardized transmission layer agreement and is respectively filled in this standardized transmission field of corresponding described specific response instruction.
14. data accessing system according to claim 13, it is characterised in that described specific response instruction also includes a specific response position, this specific response position will be inserted to the unused storage space of described standardized transmission field.
15. data accessing system according to claim 11, it is characterized in that, described memorizer includes an information data area and a reserved area, this information data area is configured to temporarily store data, this data accessing system is formulated has an encapsulation number parameter and to retain dimensional parameters, this reserved area is configured to temporarily store each described reaction instruction, this encapsulation number parameter and this reservation dimensional parameters, this reservation dimensional parameters is in order to plan the memory space of this reserved area, when described second encapsulation module performs encapsulation, multiple described reaction instructions are obtained from this reserved area, and according to this encapsulation number parameter to determine that described specific response instruction encapsulates the described reaction instruction of many small number.
16. according to the data accessing system described in claim 11, it is characterized in that, the form of the transmission field of described specific response instruction is by described data transmission interface institute self-defining, and described specific response instruction is transmitted with the transmission control protocol of a self-defining in wherein said data transmission interface system.
17. data accessing system according to claim 16, it is characterized in that, described specific response instruction transmission field be defined one include an encapsulation number parameter nonstandardized technique transmission field and multiple record have each described reaction instruction described access results parameter nonstandardized technique transmission field.
18. a data access method, its method is applied on a data accessing system, it is characterized in that, data accessing system includes a data access unit and a data memory unit, and the step that data access unit carries out the access of many documents for data memory unit includes:
Data access unit is made to issue multiple request instructions in order to data access；
Utilize one first encapsulation module to encapsulate multiple request instructions and be encapsulated as single particular request instruction；
Particular request instruction is transmitted via a data transmission interface；
Data memory unit is made to receive particular request instruction and deblocking particular request instruction to obtain multiple request instruction via the first deblocking module；
Data memory unit is made to perform each request instruction to access every document；And
Data access unit is made to produce a reaction instruction after having performed each request instruction respectively and via the data transmission interface each reaction instruction of transmission to data access unit.
19. data access method according to claim 18, it is characterised in that described data access unit accesses many storage discontinuous data in address or many storage address continuous print data for described data memory unit.
20. data access method according to claim 18, it is characterised in that described data transmission interface transmits described particular request instruction with the transmission control protocol of a standardized transmission control protocol or a self-defining.
21. a data access method, its method is applied on a data accessing system, it is characterized in that, data accessing system includes a data access unit and a data memory unit, and the step that data access unit carries out the access of many documents for data memory unit includes:
Data access unit is made to issue multiple request instructions in order to data access；
Utilize one first encapsulation module that multiple request instructions are encapsulated as single particular request instruction；
Particular request instruction is transmitted via a data transmission interface；
Data memory unit is made to receive particular request instruction and deblocking particular request instruction to obtain multiple request instruction via the first deblocking module；
Data memory unit is made to perform each request instruction to access every document；
Data memory unit is made after having performed each request instruction, to produce a reaction instruction respectively；
Utilize one second encapsulation module to encapsulate multiple reaction instructions and be encapsulated as single specific response instruction；
Specific response instruction is transmitted via data transmission interface；And
Data access unit is made to receive specific response instruction and deblocking specific response instruction to obtain multiple reaction instruction via one second deblocking module.
22. data access method according to claim 21, it is characterised in that described data access unit accesses many storage discontinuous data in address or many storage address continuous print data for described data memory unit.
23. data access method according to claim 21, it is characterised in that described data transmission interface transmits described specific response instruction with the transmission control protocol of a standardized transmission control protocol or a self-defining.
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