CN101739213A - Control method of solid state disk (SSD) and SSD - Google Patents
Control method of solid state disk (SSD) and SSD Download PDFInfo
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- CN101739213A CN101739213A CN200810172457A CN200810172457A CN101739213A CN 101739213 A CN101739213 A CN 101739213A CN 200810172457 A CN200810172457 A CN 200810172457A CN 200810172457 A CN200810172457 A CN 200810172457A CN 101739213 A CN101739213 A CN 101739213A
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Abstract
The embodiment of the invention discloses a control method of a solid state disk (SSD) and the SSD. The control method of the SSD comprises the following steps: receiving an operating command of the SSD through a wireless data interface; analyzing the operating command according to the wireless protocol used by the wireless data interface; and operating a non-volatile storage medium in the SSD according to the analyzing result of the operating command. In the embodiment of the invention, the SSD operation based on wireless connection is realized through the wireless data interface, and the flexibility and the mobility of data manipulation in the SSD is improved.
Description
Technical field
The present invention relates to technical field of memory, particularly a kind of control method of solid state hard disc and solid state hard disc.
Background technology
SSD (Solid State Disk, solid state hard disc) is made up of control module and storage unit usually.Storage unit non-volatile Flash (flash memory) of employing chip constitutes more, and do not have mechanical rotation device, thereby SSD has advantages such as readwrite performance height, shock resistance is strong, the power supply expense is little, and SSD has high transmission speed and reliability as high-end storage medium, is widely used in various fields.
At present, the Radio Transmission Technology develop rapidly, MMDS (Microwave Multi-point DistributionSystem, Multi-Channel Microwave Distribution System), LMDS (Local Multi-point Distribution System, LMDS), WLAN (Wireless Local Area Network, WLAN (wireless local area network)), UWB (Ultra Wideband, ultra broadband), WiMAX (Worldwide Interoperability forMicrowave Access, micro-wave access global inter communication) etc. produces for life and brings huge facility.The wired incomparable advantage of wireless communication technology can cover the transmission radius of the longest 50KM as WiMax, and speed can reach the Gb rank, and UWB covers 10m left and right sides transmission range, and transmission speed reaches the Gb rank.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
The SSD that does not utilize wave point to read and write in the prior art.
Summary of the invention
The embodiment of the invention provides a kind of control method and solid state hard disc of solid state hard disc, is used for realizing based on wave point the read-write of solid state hard disc.
The embodiment of the invention provides a kind of control method of solid state hard disc, comprising:
By the operational order of wireless data interface reception to solid state hard disc;
Resolve described operational order according to the wireless protocols that described wireless data interface is used;
Analysis result according to described operational order is operated the non-volatile memory medium in the described solid state hard disc.
Embodiments of the invention also provide a kind of solid state hard disc, comprise wireless data interface, interface control chip, memory controller and non-volatile memory medium,
Described wireless data interface is used to receive operational order;
Described interface control chip is used for resolving described operational order according to the wireless protocols that described wireless data interface is used;
Described memory controller is operated described non-volatile memory medium the analysis result of described operational order according to described interface control chip.
Realized operating by wireless data interface in the embodiments of the invention, improved the dirigibility and the movability of data manipulation in the solid state hard disc based on the solid state hard disc of wireless connections.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of solid state hard disc in the embodiment of the invention;
Fig. 2 is another structural representation of solid state hard disc in the embodiment of the invention;
Fig. 3 is a structural representation again of solid state hard disc in the embodiment of the invention;
Fig. 4 is the control method process flow diagram of solid state hard disc in the embodiment of the invention;
Fig. 5 be in the embodiment of the invention solid state hard disc read the control method process flow diagram;
Fig. 6 is the writing method process flow diagram of solid state hard disc in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of solid state hard disc, as shown in Figure 1, comprises wireless data interface 10, interface control chip 20, memory controller 30 and non-volatile memory medium 40,
In the another embodiment of the present invention, when the analysis result of 20 pairs of operational orders of interface control chip was the read operation order, the structure of solid state hard disc can be as shown in Figure 2, wherein:
Operational order transmitting-receiving subelement 11 is used to receive operational order and operational order is sent to interface control chip 20;
Read operation subelement 31 is used for resolving the read operation order that obtains according to interface control chip 20, reads the data of read operation order correspondence from non-volatile memory medium 40;
First data address is handled subelement 32, is used for by file system or associated drives, with the data that read operation subelement 31 reads, stores corresponding logical address into from the physical address of non-volatile memory medium 40, to carry out subsequent operation.
Data send subelement 12, are used for the data after transmission interface control chip 20 encapsulates.
Below physical address and logical address are described: the storage unit of storage medium is unit with the byte, and each storage unit all has an address number corresponding with it, and the address number of storage unit can be called " specific address " or " physical address ".When program run, often in space such as internal memory or buffer memory, deposit a plurality of user tasks simultaneously, and each user task does not know where the data of oneself will be stored in, therefore can not use physical address that data are identified.Each user task all can think oneself deposit data one group from the contiguous memory space that " 0 " address begins, the address of using in this user task is called " logical address ".
In the another embodiment of the present invention, when the analysis result of 20 pairs of operational orders of interface control chip was the write operation order, the structure of solid state hard disc can be as shown in Figure 3, wherein:
Operational order transmitting-receiving subelement 11 is used to receive operational order and operational order is sent to interface control chip 20;
Second data address is handled subelement 33, is used for by file system or associated drives, being the data allocations physical address after the decapsulation in the logical address when operational order that interface control chip 20 parsings obtain is the write operation order; Write operation subelement 34 is used for handling the physical address that subelement 33 distributes according to second data address, with the data storage after the decapsulation in non-volatile memory medium 40.
Embodiments of the invention also provide a kind of storage system, comprise the solid state hard disc described in above-mentioned Fig. 1 to Fig. 3, see also specific descriptions in the foregoing description about the structure of solid state hard disc, do not carry out repeat specification at this.
The solid state hard disc that the application of the invention provides has been realized operating based on the solid state hard disc of wireless connections by wireless data interface, has improved the dirigibility and the movability of data manipulation in the solid state hard disc.In the embodiments of the invention, the employed agreement of wireless data interface comprises 802.11 agreements, bluetooth, WIMAX, UMB etc.; Non-volatile memory medium comprises FLASH array, PRAM (Parameter RandomAccess Memory, Parameter RAM), FeRAM (Ferroelectric RAM, the ferroelectric random storer) and PCRAM (Phase-Change RAM, phase change random access memory devices) etc.
Embodiments of the invention also provide a kind of control method of solid state hard disc, as shown in Figure 4, comprising:
Step s401, receive operational order to solid state hard disc by wireless data interface.
Concrete, this operational order comprises read operation order and write operation order.
Step s402, the wireless protocols that uses according to wireless data interface are resolved described operational order to solid state hard disc.
Step s403, the non-volatile memory medium in the solid state hard disc is operated according to the analysis result of operational order.
Below when being the situation of read operation order and write operation order to operational order the control method to solid state hard disc describe respectively.Wherein the wireless protocols that uses with wireless data interface be 802.11 agreements, non-volatile memory medium as the FLASH array as example to describe.
When operational order is the read operation order, to the control method of solid state hard disc as shown in Figure 5, comprising in the embodiment of the invention:
Step s501, receive read operation order to solid state hard disc by wireless data interface.
Step s502, this read operation order of 802.11 protocol analysis of using according to wireless data interface.
Step s503, from the FLASH array, read the data of this read operation order correspondence.
Step s504, by file system or associated drives deal with data, this processing comprises that the corresponding relation of setting up data physical address and data logical address in internal memory or buffer memory in solid state hard disc etc. is handled and operates.
Step s505, data based 802.11 agreements after will handling encapsulate.Concrete method for packing can for: encapsulation upper-layer protocol head before the data after will be in the logical address handling, this upper-layer protocol head comprises link layer protocol head, MAC (Medium Access Control, medium Access Control) layer protocol head and physical layer protocol head.
Step s506, send data after the encapsulation by wireless data interface.
When operational order is the write operation order, to the control method of solid state hard disc as shown in Figure 6, comprising in the embodiment of the invention:
Step s601, receive write operation order to solid state hard disc by wireless data interface.
Step s602, this write operation order of 802.11 protocol analysis of using according to wireless data interface.
Step s603, according to 802.11 agreements, the data that this wireless data interface receives are carried out decapsulation.Concrete de-encapsulation method can for: decapsulation upper-layer protocol head obtains data, and the decapsulation of this upper-layer protocol head comprises: with the head of decapsulation physical layer protocol successively, mac-layer protocol head and link layer protocol head.
Step s604, handle the data that decapsulation obtains by file system or associated drives, this processing comprises the operations such as corresponding relation of setting up the physical address that the data after the decapsulation and data will store in the logical address.
Step s605, the data storage that decapsulation is obtained arrive the FLASH array.Concrete, with the data storage after the decapsulation in the logical address in the FLASH array in the physical address corresponding.
The solid state hard disc control method that the application of the invention provides has realized operating based on the solid state hard disc of wireless connections by wireless data interface, has improved the dirigibility and the movability of data manipulation in the solid state hard disc.In the embodiments of the invention, the employed agreement of wireless data interface comprises 802.11 agreements, bluetooth, WIMAX, UMB etc.; Non-volatile memory medium comprises FLASH array, PRAM, FeRAM and PCRAM etc.
Above-mentioned module can be distributed in a device, also can be distributed in multiple arrangement.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory device, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the synoptic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (8)
1. the control method of a solid state hard disc is characterized in that, comprising:
By the operational order of wireless data interface reception to solid state hard disc;
Resolve described operational order according to the wireless protocols that described wireless data interface is used;
Analysis result according to described operational order is operated the non-volatile memory medium in the described solid state hard disc.
2. the method for claim 1 is characterized in that, the described operational order that receives solid state hard disc by wireless data interface comprises:
By read operation order or the write operation order of wireless data interface reception to solid state hard disc.
3. method as claimed in claim 2 is characterized in that, when described operational order was the read operation order, described analysis result according to operational order was operated the non-volatile memory medium in the described solid state hard disc and comprised:
From described non-volatile memory medium, read the data of described read operation order correspondence;
By file system or associated drives processing said data;
The wireless protocols that data based described wireless data interface after the described processing is used encapsulates;
Send data after the described encapsulation by described wireless data interface.
4. method as claimed in claim 2 is characterized in that, when described operational order was the write operation order, described analysis result according to operational order was operated the non-volatile memory medium in the described solid state hard disc and comprised:
Wireless protocols according to described wireless data interface is used carries out decapsulation to the data that described wireless data interface receives;
Handle the data that described decapsulation obtains by file system or associated drives;
The data storage that described decapsulation is obtained arrives described non-volatile memory medium.
5. a solid state hard disc is characterized in that, comprises wireless data interface, interface control chip, memory controller and non-volatile memory medium,
Described wireless data interface is used to receive operational order;
Described interface control chip is used for resolving described operational order according to the wireless protocols that described wireless data interface is used;
Described memory controller is operated described non-volatile memory medium the analysis result of described operational order according to described interface control chip.
6. solid state hard disc as claimed in claim 5 is characterized in that, when described operational order is the read operation order,
Described wireless data interface comprises:
Operational order transmitting-receiving subelement is used to receive operational order and described operational order is sent to described interface control chip;
Described interface control chip comprises:
The command analysis subelement, the wireless protocols that is used for using according to described wireless data interface is resolved the operational order that described operational order transmitting-receiving subelement sends;
Described memory controller comprises:
The read operation subelement is used for resolving the read operation order that obtains according to described command analysis subelement, reads the data of described read operation order correspondence from described non-volatile memory medium;
First data address is handled subelement, is used for by file system or associated drives, with the data that described read operation subelement reads from the physical address of described non-volatile memory medium, stores corresponding logical address into;
Described interface control chip also comprises the data encapsulation subelement, is used for the wireless protocols that the data based wireless data interface that described first data address processing subelement stores logical address into is used is encapsulated;
Described wireless data interface comprises that also data send subelement, is used to send the data after described data encapsulation subelement encapsulates.
7. solid state hard disc as claimed in claim 5 is characterized in that, when described operational order is the write operation order,
Described wireless data interface comprises:
Operational order transmitting-receiving subelement is used to receive operational order and described operational order is sent to described interface control chip; The Data Receiving subelement is used to receive data;
Described interface control chip comprises:
The command analysis subelement, the wireless protocols that is used for using according to described wireless data interface is resolved the operational order that described operational order transmitting-receiving subelement sends, and parsing is obtained the result sends to described memory controller;
Data decapsulation subelement is used for the wireless protocols according to described wireless data interface use, and the data that described wireless data interface receives are carried out decapsulation, and the data after the decapsulation identify by logical address in memory headroom;
Described memory controller comprises:
Second data address is handled subelement, is used for by file system or associated drives, being the data allocations physical address after the decapsulation in the logical address when operational order that described interface control chip parsing obtains is the write operation order; The write operation subelement is used for handling the physical address that subelement distributes according to described second data address, and the data storage after the decapsulation is arrived described non-volatile memory medium.
8. as each described solid state hard disc in the claim 5 to 7, it is characterized in that described non-volatile memory medium comprises FLASH, Parameter RAM PRAM, ferroelectric random storer FeRAM or phase change random access memory devices PCRAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810172457A CN101739213A (en) | 2008-11-11 | 2008-11-11 | Control method of solid state disk (SSD) and SSD |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810172457A CN101739213A (en) | 2008-11-11 | 2008-11-11 | Control method of solid state disk (SSD) and SSD |
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| CN200810172457A Pending CN101739213A (en) | 2008-11-11 | 2008-11-11 | Control method of solid state disk (SSD) and SSD |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577421A (en) * | 2017-07-31 | 2018-01-12 | 深圳市牛鼎丰科技有限公司 | Smart machine expansion method, device, storage medium and computer equipment |
| CN112511526A (en) * | 2020-11-25 | 2021-03-16 | 深圳致星科技有限公司 | Data transmission method, device and readable storage medium |
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2008
- 2008-11-11 CN CN200810172457A patent/CN101739213A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107577421A (en) * | 2017-07-31 | 2018-01-12 | 深圳市牛鼎丰科技有限公司 | Smart machine expansion method, device, storage medium and computer equipment |
| CN112511526A (en) * | 2020-11-25 | 2021-03-16 | 深圳致星科技有限公司 | Data transmission method, device and readable storage medium |
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Application publication date: 20100616 |