CN102253905A - Data processing device applied to storage device, data access system and related method applied to storage device - Google Patents
Data processing device applied to storage device, data access system and related method applied to storage device Download PDFInfo
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- CN102253905A CN102253905A CN2010101901115A CN201010190111A CN102253905A CN 102253905 A CN102253905 A CN 102253905A CN 2010101901115 A CN2010101901115 A CN 2010101901115A CN 201010190111 A CN201010190111 A CN 201010190111A CN 102253905 A CN102253905 A CN 102253905A
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Abstract
The invention discloses a data processing device applied to a storage device, a data access system and a related method applied to the storage device. The data processing device applied to the storage device comprises a first interface circuit, a processing unit and a second interface circuit, wherein the first interface circuit is coupled with the storage device; the processing unit is coupled with the first interface circuit and used for reading a control program code from a divided storage space in the storage device and executing the control program code to generate a storable capacity of the storage device; and the second interface circuit is coupled with the processing unit and used for reporting the storable capacity back to an operating system so that the operating system can regard the available capacity of the storage device as the storable capacity.
Description
Technical field
The invention relates to data processing equipment data access arrangement and the method relevant that is applied to a storage device, refer to a kind of data processing equipment and the relative method of data access arrangement that can omit an extra storer especially with it.
Background technology
One function of one storage device driving circuit is the access that the instruction that is used for being sent according to a main frame comes a storage device is carried out data.In addition, because this storage device driving circuit is not necessarily identical with the data transmission format between storage device driving circuit and this main frame with data transmission format between this storage device, therefore another function of this storage device driving circuit is exactly to carry out the conversion of data layout, so that this main frame and this storage device can receive the data of correct transformat.With USB (universal serial bus) (Universal Serial Bus, USB) 2.0 external connected hand disks are example, perhaps, data transmission format between this storage device (that is hard disk) and this storage device driving circuit is to meet advanced supplementary technology (the Serial Advanced Technology Attachment of a string type, the form of data transmission standard SATA), data transmission format between this storage device driving circuit and this main frame then is to meet a USB (universal serial bus) (form of 2.0 data transmission standard, so this storage device driving circuit is exactly to be used for format conversion between the data of treatment S ATA and USB2.0.Therefore, generally this storage device driving circuit can include an extra memory storage in addition to be used for storing control program sign indicating number and some hard disk informations of this storage device driving circuit.Yet,, and then increased the capacity of this additional memory means owing to this control program sign indicating number and these hard disk informations can become increasingly complex along with the evolution of technology.In other words, above-mentioned way has improved the cost of manufacture of an external connected hand disk undoubtedly.Therefore, the cost of manufacture that how to reduce by a storage device driving circuit has become the problem of a solution that the field is needed badly for this reason.
Summary of the invention
Therefore, a purpose of the present invention is to provide a kind of data processing equipment and data access arrangement and its correlation technique that can omit an extra storer.
Provide a kind of data processing equipment that is applied to a storage device according to one aspect of the present invention.This data processing equipment includes one first interface circuit, a processing unit and one second interface circuit.This first interface circuit is in order to couple this storage device.This processing unit is coupled to this first interface circuit, in order to one cutting apart the storage area and read a control program sign indicating number in this storage device certainly, but and carries out this control program sign indicating number to produce a storage volume of this storage device.This second interface circuit is coupled to this processing unit, but is used for this storage volume is reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
Provide a kind of data access arrangement on the other hand according to the present invention.This data access arrangement includes a storage device and a data processing equipment.This storage device has one to be cut apart the storage area and not to belong to the general data storage area that this cuts apart the storage area, and wherein this is cut apart the storage area and stores a control program sign indicating number.This data processing equipment includes one first interface circuit, a processing unit and one second interface circuit.This first interface circuit is coupled to this storage device.This processing unit is coupled to this first interface circuit, in order to this is cut apart the storage area and reads a control program sign indicating number certainly, but and carries out this control program sign indicating number to produce a storage volume of this storage device.This second interface circuit is coupled to this processing unit, but is used for this storage volume is reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
Provide a kind of data processing method that is applied to a storage device according to another aspect of the invention, data processing method includes step: 1) one cut apart the storage area and read a control program sign indicating number in this storage device certainly; 2) but carry out this control program sign indicating number to produce a storage volume of this storage device; And 3) but should storage volume be reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
Useful technique effect of the present invention is: saved the cost an of storer (that is extra storer) but the hidden area that the present invention is stored in storage device with the hard disk information of Correction and Control procedure code and storage device is promptly cut apart in the storage area, processing unit then is used for data processing conversion between main control system and the storage device and cuts apart the integrality and the confidentiality of storage area with protection.
Description of drawings
Fig. 1 is an embodiment synoptic diagram of a kind of data access arrangement of the present invention.
Fig. 2 is an embodiment synoptic diagram of a storage device of the present invention.
Fig. 3 is an a kind of process flow diagram that is applied to the data processing method of a storage device of the present invention.
Embodiment
In the middle of instructions and follow-up claims, used some vocabulary to censure specific element.The person with usual knowledge in their respective areas should understand, and hardware manufacturer may be called same element with different nouns.This instructions and follow-up claims are not used as distinguishing the mode of element with the difference of title, but the criterion that is used as distinguishing with the difference of element on function.Be an open term mentioned " comprising " in the middle of instructions and the follow-up claim in the whole text, so should be construed to " comprise but be not limited to ".In addition, " coupling " speech is to comprise any indirect means that are electrically connected that directly reach at this, therefore, be coupled to one second device if describe one first device in the literary composition, then represent this first device can directly be electrically connected in this second device, perhaps be electrically connected to this second device indirectly by other device or connection means.
Please refer to Fig. 1.Shown in Figure 1 is an embodiment synoptic diagram according to a kind of data access arrangement 100 of the present invention.Data access arrangement 100 includes a storage device 102, a data processing equipment 104 and a main frame 106.In the present embodiment, main frame 106 can be considered a computer system, and storage device 102 constitutes an external connection type memory apparatus that is external in this computer system with data processing equipment 104.On general, but existing external connection type memory apparatus can include an extra storer in addition to be used for storing Correction and Control procedure code and other relevant information about this external connection type memory apparatus.In order to save the cost of manufacture of this external connection type memory apparatus,, the present invention is stored in the hidden area of storage device 102 but will need being stored in Correction and Control procedure code and other relevant information about this external connection type memory apparatus of this extra storer originally.Thus, data processing equipment 104 of the present invention just can be saved the cost an of storer (that is this extra storer), and its technology contents will be specified in the follow-up paragraph.
Therefore, storage device 102 of the present invention can be divided into one to be cut apart storage area 1022 and not to belong to a general data storage area 1024 cutting apart storage area 1022, but wherein cuts apart the hard disk information 1022b that storage area 1022 stores a Correction and Control procedure code 1022a and storage device 102.For instance, but Correction and Control procedure code 1022a can provide the program of specific function to the user, and hard disk information 1022b can be relative recording information or manufacturer's information (for example PID, VID etc.) of storage device 102.Data processing equipment 104 includes one first interface circuit 1042, a processing unit 1044 and one second interface circuit 1046.First interface circuit 1042 is coupled to storage device 102.Processing unit 1044 is coupled to first interface circuit 1042, but read Correction and Control procedure code 1022a in order to cut apart storage area 1022 certainly, but but and execution Correction and Control procedure code 1022a producing storage device 102 1 storage volumes, but should storage volume be capacity after the total volume deduction of storage device 102 is cut apart storage area 1022.Second interface circuit 1046 is coupled to processing unit 1044, but is used for this storage volume is reported to an operating system of main frame 106, but so that this operating system can be considered as this storage volume by the use capacity with storage device 102.Please note, but processing unit of the present invention 1044 is carried out another fundamental purpose of Correction and Control procedure code 1022a and be to revise the firmware control mode that is originally lacked in processing unit 1044, but or execution Correction and Control procedure code 1022a increase hard disk (for example storage device 102) relevant information etc.
Further, when storage device 102 has this hidden area when (that is cutting apart storage area 1022), but the processing unit 1044 of data processing equipment 104 is carried out Correction and Control procedure code 1022a in addition and is controlled this operating system and only limit to not belong in the storage device 102 the general data storage area 1024 of cutting apart storage area 1022 at the data access of storage device 102.Therefore, cutting apart storage area 1022 relative these main frames 106 is zones that hide, so this operating system of this main frame 106 can't come access to cut apart storage area 1022 by data processing equipment 104.In addition, the present invention does not limit to be cut apart storage area 1022 and is continuous storage block with general data storage area 1024, and cutting apart storage area 1022 can also be respectively a discontinuous storage block with general data storage area 1024.Therefore, but processing unit 1044 is to carry out Correction and Control procedure code 1022a with in the storage device 102 used address realm that should general data storage area 1024 being repaid this operating system, so that this operating system is known the used capacity of storage device 102.For instance, please refer to Fig. 2, shown in Figure 2 is an embodiment synoptic diagram of storage device 102 of the present invention.When cutting apart storage area 1022 and be divided into the high address district of storage device 102 rear ends, but processing unit 1044 meetings distribute the size of cutting apart storage area 1022 and general data storage area 1024 according to the size of the hard disk information 1022b of Correction and Control procedure code 1022a and storage device 102, can use address Amax to repay the maximum of general data storage area 1024 to this operating system again.In other words, maximum can use the address Amax can be less than cutting apart 1022 employed all addresses, storage area.Therefore, when data access arrangement 100 runnings the time, the related data of cutting apart storage area 1022 just can't can be protected integrality and the confidentiality of cutting apart storage area 1022 by this by this operating system access.In addition, cut apart any part that storage area 1022 can also be positioned at storage device 102, for example the low address district of storage device 102 front ends.Must, when cutting apart storage area 1022 is when being divided in a particular address district of storage device 102, and processing unit 1044 can just can be repaid the value of a correspondence to this operating system to carrying out according to this particular address district after the processing (for example an address translation is handled) earlier.When this operating system is assigned instruction to storage device 102, processing unit 1044 also can be wanted an address of access to carry out one to this instruction earlier and handle (a for example corresponding address process), just can produce a real address of accessing storing device 102, to avoid cutting apart storage area 1022.Therefore, do not carry out access and just fallen into the category place of processing unit 1044 of the present invention at last as long as can control cutting apart storage area 1022 from the instruction of this operating system.Further, in order to reach above-mentioned effect, processing unit 1044 of the present invention might not carry out substantial cutting apart to storage device 102, for instance, processing unit 1044 can also be carried out a software and cuts apart storage device 102 virtually for cutting apart storage area 1022 and general data storage area 1024, and processing unit 1044 control from the instruction of this operating system not carry out access to cutting apart storage area 1022, this also is scope of the present invention place.
Note that the amount of capacity of therefore cutting apart storage area 1022 also is adjustable owing to of the present inventionly cut apart splitting in the storage device 102 of storage area 1022.In other words, but processing unit 1044 can be cut apart the amount of capacity of storage area 1022 according to the size adjustment of the hard disk information 1022b of Correction and Control procedure code 1022a and storage device 102, to avoid unnecessary space waste.With traditional method, in case after the decision of the amount of capacity of the storer that this is extra, its capacity just can't have been adjusted again, thus, when but the size of this Correction and Control procedure code and its hard disk information exceeds or during less than the scope originally estimated, will produce the situation of off-capacity or waste.
Please refer to Fig. 3.Shown in Figure 3 is according to an a kind of process flow diagram that is applied to the data processing method 300 of a storage device of the present invention.Data processing method 300 of the present invention can be realized with above-mentioned processing unit 1044.Therefore, in order more to clearly demonstrate spiritual place of the present invention, data processing method 300 is that collocation above-mentioned storage device 102 is illustrated with data processing equipment 104.In addition, if can reach identical result substantially, the sequence of steps that does not need necessarily to shine in the flow process shown in Figure 3 is carried out, and step shown in Figure 3 not necessarily will carry out continuously, that is other step also can be inserted wherein.Data processing method 300 includes the following step:
Step 302: beginning;
Step 304: judge whether storage device 102 has the storage area of cutting apart 1022, when storage device 102 has the storage area 1022 of cutting apart, skips to step 306, when storage device 102 does not have the storage area 1022 of cutting apart, skips to step 314;
Step 306: but read the Correction and Control procedure code 1022a of cutting apart in the storage area 1022;
Step 308: but but carry out Correction and Control procedure code 1022a should storage volume with what produce storage device 102, but should storage volume be capacity after the total volume deduction of storage device 102 is cut apart storage area 1022;
Step 310: but should storage volume be reported to this operating system, but so that this operating system can be considered as this storage volume by the use capacity with storage device 102;
Step 312: the instruction that receives this operating system is carried out access with the general data storage area 1024 to storage device 102;
Step 314: a normal data storage data of storage device 102 is reported to this operating system, but so that this operating system is considered as this storage volume with the capacity of storage device 102;
Step 316: the instruction that receives this operating system is to carry out access to storage device 102.
Because data access arrangement 100 is when operating at the beginning, but processing unit 1044 can't know the hard disk information 1022b of Correction and Control procedure code 1022a and storage device 102 be stored in storage device 102 cut apart a storage area 1022 or an extra storer.Therefore, in step 304, processing unit 1044 can judge whether storage device 102 has the storage area of cutting apart 1022 earlier, when storage device 102 has the storage area 1022 of cutting apart, but just can read the Correction and Control procedure code 1022a of cutting apart in the storage area 1022 (step 306).Otherwise when storage device 102 does not have the storage area 1022 of cutting apart, but then processing unit 1044 judges that the hard disk information 1022b system of Correction and Control procedure code 1022a and storage device 102 is stored in this extra storer.In step 308, but but processing unit 1044 is carried out Correction and Control procedure code 1022a to produce the storage volume of being somebody's turn to do of storage device 102, but and should storage volume be reported to this operating system, but so that this operating system can be considered as this storage volume by the use capacity with storage device 102.Thus, just can't carry out access (step 312), can protect integrality and the confidentiality of cutting apart storage area 1022 by this general data storage area 1024 of storage device 102 when this operating system.On the other hand, when storage device 102 does not have the storage area 1022 of cutting apart, 1044 normal data storage datas with storage device 102 of processing unit are reported to this operating system so that this operating system with the capacity (for example total volume of storage device 102) of storage device 102 but be considered as this storage volume (step 314).Then, processing unit 1044 just can come according to the instruction of this operating system storage device 102 is carried out access (step 316).
Note that the present invention does not limit the type of main frame 106, main frame 106 can be a main frame, a notebook or a microprocessor or the like.The present invention does not also limit the type of storage device 102, and storage device 102 can be a hard disk, a flash dish, a solid state hard disc or a magnetic storage or the like.In addition, the present invention does not also limit the type of first interface circuit 1042 and second interface circuit 1046, second interface circuit 1046 can link up with main frame 106 according to a particular data transmission specification, and this particular data transmission specification is a USB (universal serial bus) (Universal Serial Bus, USB) 2.0 data transmission standard, the data transmission standard of one USB (universal serial bus) 3.0, advanced supplementary technology (the Serial Advanced Technology Attachment of one string type, SATA) a data transmission standard or an external series formula advanced supplementary technology (External Serial AdvancedTechnology Attachment, data transmission standard eSATA).In like manner, first interface circuit 1042 can also link up with storage device 102 according to a particular data transmission specification, and the data transmission standard of the data transmission standard of the data transmission standard of the data transmission standard that this particular data transmission specification is a USB (universal serial bus) 2.0, a USB (universal serial bus) 3.0, the advanced supplementary technology of a string type or the advanced supplementary technology of an external series formula.
In addition, though the foregoing description is the storage device with a circumscribed technical characterictic of the present invention is described, but it does not mean that technical characterictic of the present invention is to be restricted to the storage device that only is used in a circumscribed, this area has knows that usually the knowledgeable also can be used in technical characterictic of the present invention the storage device of in-building type, and it also belongs to category of the present invention place.
In sum; saved the cost an of storer (that is this extra storer) but the present invention is stored in the hard disk information 1022b of Correction and Control procedure code 1022a and storage device 102 in the hidden area (cutting apart storage area 1022) of storage device 102, the data processing that processing unit 1044 then is used between main control system 106 and the storage device 102 is changed integrality and the confidentiality of cutting apart storage area 1022 with protection.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to spirit of the present invention and claims scope change and modify, and all should belong to covering scope of the present invention.
Claims (15)
1. data processing equipment that is applied to storage device includes:
One first interface circuit is in order to couple this storage device;
One processing unit is coupled to this first interface circuit, in order to one cutting apart the storage area and read a control program sign indicating number in this storage device certainly, but and carry out this control program sign indicating number to produce a storage volume of this storage device; And
One second interface circuit is coupled to this processing unit, but is used for this storage volume is reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
2. data processing equipment according to claim 1, it is characterized in that, but should storage volume be the capacity after the total volume of this storage device is deducted this and cut apart the storage area, and this processing unit be carried out this control program sign indicating number in addition and is controlled this operating system and only limit to not belong in this storage device the general data storage area that this cuts apart the storage area at the data access of this storage device.
3. data processing equipment according to claim 2 is characterized in that, this processing unit is carried out this control program sign indicating number and will in this storage device used address realm that should the general data storage area be repaid this operating system.
4. data processing equipment according to claim 1, it is characterized in that, this processing unit judges in addition whether this storage device has this and cut apart the storage area, and has this when cutting apart the storage area in judging this storage device, just reads this and cuts apart this control program sign indicating number in the storage area.
5. data processing equipment according to claim 1 is characterized in that, this storage device is a hard disk, a flash dish, a solid state hard disc or a magnetic storage.
6. data processing equipment according to claim 1 is characterized in that, this second interface circuit links up with a main frame according to a particular data transmission specification; And this particular data transmission specification data transmission standard that is a USB (universal serial bus) 2.0, the data transmission standard of a USB (universal serial bus) 3.0, the data transmission standard of the advanced supplementary technology of a string type or the data transmission standard of the advanced supplementary technology of an external series formula.
7. data access arrangement includes:
One storage device has one and cuts apart the storage area and do not belong to the general data storage area that this cuts apart the storage area, and wherein this is cut apart the storage area and stores a control program sign indicating number; And
One data processing equipment includes:
One first interface circuit is coupled to this storage device;
One processing unit is coupled to this first interface circuit, in order to this is cut apart the storage area and reads a control program sign indicating number certainly, but and carry out this control program sign indicating number to produce a storage volume of this storage device; And
One second interface circuit is coupled to this processing unit, but is used for this storage volume is reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
8. data access arrangement according to claim 7 is characterized in that, this cuts apart the hardware information that the storage area stores this storage device in addition.
9. data access arrangement according to claim 7 is characterized in that, this storage device and this data processing equipment all are arranged in the external connection type memory apparatus.
10. data access arrangement according to claim 9 is characterized in that, this storage device is a hard disk, a flash dish, a solid state hard disc or a magnetic storage.
11. data access arrangement according to claim 7 is characterized in that, this storage device is a hard disk, a flash dish, a solid state hard disc or a magnetic storage.
12. a data processing method that is applied to storage device includes:
One cuts apart the storage area and reads a control program sign indicating number in this storage device;
But carry out this control program sign indicating number to produce a storage volume of this storage device; And
But should storage volume be reported to an operating system, but so that this operating system can be considered as this storage volume by the use capacity with this storage device.
13. data processing method according to claim 12 is characterized in that, but should storage volume is the capacity after the total volume of this storage device is deducted this and cut apart the storage area, this data processing method includes in addition:
Carrying out this control program sign indicating number controls this operating system and only limits to not belong in this storage device the general data storage area that this cuts apart one of storage area at the data access of this storage device.
14. data processing equipment according to claim 13, it is characterized in that, carry out this control program sign indicating number and control this operating system and only limit to not belong in this storage device this step of cutting apart this general data storage area of storage area at the data access of this storage device and include:
Carry out this control program sign indicating number and will in this storage device used address realm that should the general data storage area be repaid this operating system.
15. data processing method according to claim 12 is characterized in that, other includes:
Judge whether this storage device has this and cut apart the storage area, and have this when cutting apart the storage area, just read this and cut apart this control program sign indicating number in the storage area in judging this storage device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101901115A CN102253905A (en) | 2010-05-20 | 2010-05-20 | Data processing device applied to storage device, data access system and related method applied to storage device |
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| CN2010101901115A CN102253905A (en) | 2010-05-20 | 2010-05-20 | Data processing device applied to storage device, data access system and related method applied to storage device |
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| WO2016187801A1 (en) * | 2015-05-26 | 2016-12-01 | 崔开平 | Data management method for storage medium, solid state hard disk and control chip |
| CN107077304A (en) * | 2016-09-18 | 2017-08-18 | 深圳市大疆创新科技有限公司 | Data conversion equipment, chip, method, device and image system |
| CN114691586A (en) * | 2022-05-26 | 2022-07-01 | 阿里巴巴（中国）有限公司 | Server, data transmission method and out-of-band management chip |
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| WO2016187801A1 (en) * | 2015-05-26 | 2016-12-01 | 崔开平 | Data management method for storage medium, solid state hard disk and control chip |
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Application publication date: 20111123 |