CN108563549A - A kind of interface hard disk state instruction control system and method based on CPLD-FPGA - Google Patents
A kind of interface hard disk state instruction control system and method based on CPLD-FPGA Download PDFInfo
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- CN108563549A CN108563549A CN201810311810.7A CN201810311810A CN108563549A CN 108563549 A CN108563549 A CN 108563549A CN 201810311810 A CN201810311810 A CN 201810311810A CN 108563549 A CN108563549 A CN 108563549A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3034—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a storage system, e.g. DASD based or network based
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
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Abstract
The embodiment of the invention discloses a kind of interface hard disk state instruction control systems and method based on CPLD FPGA, including 8639 slots, hard disk backboard and hard disk type judge assignment module and signal resolution module, 8639 slots are set on hard disk backboard, and judge that assignment module is connect by input interface module with the hard disk backboard and hard disk type, judge assignment module and signal resolution module by connecting hard disk backboard and hard disk type on the basis of the CPLD/FPGA units of computer CPU, hard disk backboard and hard disk type information are obtained by 8639 slots, then different control signals is obtained according to different hard disk types, the state of hard disk indication lamp is directly controlled by the control signal after parsing.The hardware cost that the embodiment of the present invention not only reduces maintenance also improves maintenance efficiency.
Description
Technical field
The present invention relates to hard disc of computer technical fields, more particularly to a kind of interface hard disk shape based on CPLD-FPGA
State indicates control system and method.
Background technology
With the continuous improvement that server requires storage performance, multiplex roles, large capacity and the carrying of fast reading and writing hard disk are
A current great development direction.It is broadly divided into SATA hard disc, SAS hard disks and NVMe hard disks according to hard-disk interface type, wherein hard
The management control of hard disk indication lamp on disk is the important content of server admin.The indicator light of hard disk includes mainly error indication
Lamp chooses indicator light and enlivens indicator light, and error indication lamp instruction present hard discs are in error condition；Indicator light instruction is chosen to work as
Preceding hard disk is in selected state；Enliven indicator light be always on instruction present hard discs be in state in place, i.e. hard disk is correctly inserted into, enliven
Indicator light flicker instruction present hard discs are in read-write operation state.
With the appearance of 8639 connectors, it is hard that connector can be compatible with SATA interface hard disk, SAS interface hard disks and NVMe
Disk, but since SATA signals and SAS signals cannot exist simultaneously, it is hard with NVMe that hard disk backboard can only insert SATA interface hard disk
Disk or SAS interface hard disks and NVMe hard disks, need in hard disk backboard independent design CPLD/FPGA chips, according to hard disk backboard
Difference generates different recordable papers, and carries out burning in hard disk backboard, to carry out the control of LED light.
However, in the prior art, independent design CPLD/FPGA cores again are required for when replacing different types of hard disk every time
Piece not only increases hardware cost and also reduces maintenance efficiency then according to the different file of hard disk backboard type burning.
Invention content
A kind of interface hard disk state instruction control system based on CPLD-FPGA and side are provided in the embodiment of the present invention
Method, to solve the problems, such as that hardware cost height and maintenance efficiency in the prior art are low.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical solutions：
The first invention of the present invention provides a kind of interface hard disk state instruction control system based on CPLD-FPGA, including
8639 slots, hard disk backboard and hard disk type judge assignment module, signal resolution module and output interface module, wherein described
8639 slots are set on hard disk backboard, and judge that assignment module passes through input interface mould with the hard disk backboard and hard disk type
Block connects；The input terminal of the signal resolution module is separately connected computer main board welded ball array encapsulation PCH, disk array RAID card
And CPU, output end connects the hard disk backboard and hard disk type judges assignment module；The input terminal of the output interface module connects
It connects the hard disk backboard and hard disk type judges that assignment module, output end connect indicator light.
Preferably, the signal resolution module includes SATA_SGPIO parsing modules, SAS_SGPIO parsing modules and I2C
Parsing module, wherein SATA_SGPIO parsing modules are used to receive to encapsulate the serial general of PCH from computer main board welded ball array
Input and output SGPIO signals, SAS_SGPIO parsing modules are defeated for receiving the serial universal input from disk array RAID card
Go out SGPIO signals, I2C parsing modules are for receiving the twin wire universal serial bus I2C signals from CPU.
Second aspect of the present invention provides a kind of interface hard disk state instruction control method based on CPLD-FPGA, special
Sign is, including：
Obtain hard disk backboard type；
Hard disk type is determined according to the hard disk backboard type；
Corresponding control signal is obtained according to the hard disk backboard type and hard disk type；
The control signal is parsed, LED status is controlled.
Preferably, the hard disk backboard type includes SATA hard disc backboard and SAS hard disk backboards；The hard disk type includes
SATA interface hard disk, SAS interface hard disks and NVMe hard disks.
Preferably, the acquisition hard disk backboard type specifically includes：
Obtain the low and high level of the hard disk backboard address HDDBP_ID signals sent out by hard disk backboard；
The type of hard disk backboard is judged according to the low and high level of the hard disk backboard address HDDBP_ID signals, wherein when
When the hard disk backboard address HDDBP_ID signals are low level, hard disk backboard is SATA hard disc backboard；When the hard disk backboard
When address HDDBP_ID signals are low high level, hard disk backboard is SAS hard disk backboards.
Preferably, described to determine that hard disk type specifically includes according to the hard disk backboard type：
Obtain the PRSNT signals of the IfDet signals and Pin9 pins of 8639 slot Pin4 pins；
Hard disk type is determined according to the hard disk backboard address HDDBP_ID signals, IfDet signals and PRSNT signals.
Preferably, described to be specifically included according to the hard disk backboard type and the corresponding control signal of hard disk type acquisition：
If the hard disk type is SATA hard disc, acquisition is sent out serial by computer main board welded ball array encapsulation PCH
Universal input exports SGPIO signals；
If the hard disk type is SAS hard disks, it is defeated to obtain the serial universal input sent out by disk array RAID card
Go out SGPIO signals；
If the hard disk type is NVMe hard disks, the twin wire universal serial bus I2C signals sent out by CPU are obtained.
Preferably, the serial universal input output SGPIO signals that computer main board welded ball array encapsulation PCH is sent out by
SATA_SGPIO parsing modules obtain；Serial universal input that the disk array RAID card is sent out output SGPIO signals by
SAS_SGPIO parsing modules obtain；The twin wire universal serial bus I2C signals that the CPU is sent out are obtained by I2C parsing modules.
By above technical scheme as it can be seen that the present invention judges assignment module including 8639 slots, hard disk backboard and hard disk type
And signal resolution module, 8639 slots are set on hard disk backboard, and judge assignment with the hard disk backboard and hard disk type
Module is connected by input interface module, by connecting hard disk backboard on the basis of the CPLD/FPGA units in computer CPU
Judge assignment module and signal resolution module with hard disk type, hard disk backboard and hard disk type information obtained by 8639 slots,
Then different control signals is obtained according to different hard disk types, and hard disk instruction is directly controlled by the control signal after parsing
The state of lamp, the hardware cost for not only reducing maintenance also improve maintenance efficiency.
Description of the drawings
It is illustrated more clearly that the embodiment of the present invention or technical solution in the prior art, it below will be to embodiment or existing
Attached drawing is briefly described needed in technology description, it should be apparent that, for those of ordinary skills,
Without creative efforts, other drawings may also be obtained based on these drawings.
A kind of structural schematic diagram for interface hard disk state instruction control system that Fig. 1 is applied by the embodiment of the present invention；
A kind of flow for interface hard disk state instruction control system method that Fig. 2 is applied by the embodiment of the present invention is illustrated
Figure；
The flow diagram of the method for the acquisition hard disk backboard type that Fig. 3 is applied by the embodiment of the present invention；
The flow diagram of the method for the determination hard disk type that Fig. 4 is applied by the embodiment of the present invention.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work, should all belong to protection of the present invention
Range.
Referring to Fig. 1, by a kind of structural representation for interface hard disk state instruction control system that the embodiment of the present invention is applied
Figure, as shown in Figure 1, interface hard disk state instruction control system provided in an embodiment of the present invention, including 8639 slots, hard disk backboard
Judge assignment module, signal resolution module and output interface module with hard disk type.
8639 slot is set on hard disk backboard, and judges that assignment module is logical with the hard disk backboard and hard disk type
Cross input interface module connection；The input terminal of the signal resolution module is separately connected computer main board welded ball array encapsulation PCH, magnetic
Disk array RAID card and CPU, output end connects the hard disk backboard and hard disk type judges assignment module；The output interface mould
The input terminal of block connects the hard disk backboard and hard disk type judges that assignment module, output end connect indicator light.
8639 slots connection hard disk backboard receives the signal of hard disk, includes the number of SATA/SAS data-signals, NVMe hard disks
It is believed that number, IfDet the and PRSNT signals that judge of hard disk type and power supply signal etc., concrete signal is correspondingly connected with mode and can be found in
Corresponding data document, details are not described herein.Each hard disk indication lamp includes enlivening indicator light, choosing indicator light and error indication
Lamp, hard disk indication lamp use LED, and for different type hard disk, LED links are shared, are referred to mistake wherein enlivening indicator light
Show that lamp is driven using 3.3V, indicator light is chosen to be driven using 5V, to adjust driving current size, increases regulation resistance in the link
R。
Input interface module mainly connects hard disk backboard and judges input signal：Hard disk backboard address HDDBP_ID and 8639 is inserted
The hard disk type of slot judges input signal：IfDet and PRSNT, each hard disk include 2 input signals, and n hard disk corresponds to 2n
Input signal, using these signals as the input signal of CPLD/FPGA.Output interface module connects hard disk indication lamp control terminal,
Including enlivening indicator light, choosing the control signal of indicator light and error indication lamp, each hard disk includes 3 control signals, for n
A hard disk includes 3n output signal, output signal of these signals as CPLD/FPGA altogether.As shown in Figure 1, HDD0-1 is indicated
First hard disk enlivens indicator light input signal, and HDD0-2 indicates that the indicator light of choosing of first hard disk comes in and goes out signal, HDD0-
3 indicate the error indication lamp input signal of first hard disk, and so on, HDDn-1 indicates the active instruction of (n+1)th hard disk
Lamp input signal, HDDn-2 (n+1)th hard disk of expression choose indicator light input signal, HDDn-3 to indicate the mistake of the (n+1)th hard disk
Accidentally indicator light input signal, other hard disks are no longer repeated.
The signal resolution module includes SATA_SGPIO parsing modules, SAS_SGPIO parsing modules and I2C parsing moulds
Block.SATA_SGPIO parsing modules are used to receive the serial universal input output SGPIO signals of PCH transmissions, SAS_SGPIO solutions
Analysis module is used to receive the serial universal input output SGPIO signals of RAID card transmission, and I2C parsing modules are for receiving CPU hairs
The twin wire universal serial bus I2C signals sent, it should be noted that although SATA_SGPIO parsing modules and SAS_SGPIO parsings
What module received is SGPIO signals, but is not same since the SGPIO signals of its receiving are from different equipment
Signal.
Referring to Fig. 2, by a kind of flow for interface hard disk state instruction control system method that the embodiment of the present invention is applied
Schematic diagram, as shown in Fig. 2, interface hard disk state instruction control method provided in an embodiment of the present invention, including：
S10：Obtain hard disk backboard type.
Wherein, the hard disk backboard type includes SATA hard disc backboard and SAS hard disk backboards
S20：Hard disk type is determined according to the hard disk backboard type.
Wherein, the hard disk type includes SATA interface hard disk, SAS interface hard disks and NVMe hard disks
S30：Corresponding control signal is obtained according to the hard disk backboard type and hard disk type.
Wherein, described to be specifically included according to the hard disk backboard type and the corresponding control signal of hard disk type acquisition：
If the hard disk type is SATA hard disc, the SGPIO signals sent out by PCH are obtained；
If the hard disk type is SAS hard disks, the SGPIO signals sent out by RAID card are obtained；
If the hard disk type is NVMe hard disks, the I2C signals sent out by CPU are obtained.
It should be noted that, although NVMe hard disks, which can be applied to SATA hard disc backboard, can also be applied to SAS hard disks
Backboard, but it is I2C signals that are constant, i.e., being sent out by CPU that it, which controls signal,.
The SGPIO signals that the PCH is sent out are obtained by SATA_SGPIO parsing modules；The SGPIO that the RAID card is sent out
Signal is obtained by SAS_SGPIO parsing modules；The I2C signals that the CPU is sent out are obtained by I2C parsing modules.
S40：The control signal is parsed, LED status is controlled.
Such as schemed by the flow diagram for the method for obtaining hard disk backboard type that the embodiment of the present invention is applied referring to Fig. 3
Shown in 3, the acquisition hard disk backboard type specifically includes：
S11：Obtain the low and high level of the HDDBP_ID signals sent out by hard disk backboard.
S12：The type of hard disk backboard is judged according to the low and high level of the HDDBP_ID signals, wherein when described
When HDDBP_ID signals are low level, hard disk backboard is SATA hard disc backboard；When the HDDBP_ID signals are low high level,
Hard disk backboard is SAS hard disk backboards.
Referring to Fig. 4, the flow diagram of the method for the determination hard disk type applied by the embodiment of the present invention, such as Fig. 4 institutes
Show, it is described to determine that hard disk type specifically includes according to the hard disk backboard type：
Obtain the PRSNT signals of the IfDet signals and Pin9 pins of 8639 slot Pin4 pins；
Hard disk type is determined according to the HDDBP_ID signals, IfDet signals and PRSNT signals.
The type of hard disk backboard is judged according to the low and high level of the HDDBP_ID signals sent out by hard disk backboard first,
When HDDBP_ID signals are low, which is SATA hard disc backboard, and hard disk type is only possible to be SATA hard disc at this time, therefore
It need not be judged whether to be inserted into hard disk according to the low and high level of 8639Pin4 pin IfDet signals and Pin10 pin PRSNT signals
And the type of hard disk, no matter why value SATA hard disk backboards can only be inserted because IfDet signals are with Pin10 pin PRSNT signals
Enter SATA hard disc；When HDDBP_ID signals are high level, which is SAS hard disk backboards, and hard disk type may be at this time
SAS hard disks are also likely to be NVMe hard disks, are believed according further to 8639Pin4 pin IfDet signals and Pin10 pins PRSNT
Number low and high level judge whether the type for being inserted into hard disk and hard disk.According to HDDBP_ID signals, IfDet signals and PRSNT
Signal determines the rule of hard disk type as shown in table 1, wherein 0 indicates low level, and 1 indicates high level：
Table 1
For in table 1, when the PRSNT signals of Pin10 pins are 1 i.e. high level, no matter why level is equal for IfDet signals
It is determined as that hard disk backboard is not inserted into hard disk at this time.
For ease of realizing that the present invention, the method are realized using Verilog hardware description languages.
The present invention judges assignment module and signal resolution module including 8639 slots, hard disk backboard and hard disk type,
8639 slots are set on hard disk backboard, and judge that assignment module passes through input interface with the hard disk backboard and hard disk type
Module connects, and judges to assign by connecting hard disk backboard and hard disk type on the basis of the CPLD/FPGA units in computer CPU
It is worth module and signal resolution module, hard disk backboard and hard disk type information is obtained by 8639 slots, then according to different hard
Disc-type obtains different control signals, and the state of hard disk indication lamp is directly controlled by the control signal after parsing, is not only dropped
The low hardware cost safeguarded also improves maintenance efficiency.
The above is only the specific implementation mode of the present invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (8)
1. a kind of interface hard disk state instruction control system based on CPLD-FPGA, which is characterized in that including 8639 slots, firmly
Disk backboard and hard disk type judge assignment module, signal resolution module and output interface module, wherein the 8639 slot setting
In on hard disk backboard, and judge that assignment module is connect by input interface module with the hard disk backboard and hard disk type；It is described
The input terminal of signal resolution module is separately connected computer main board welded ball array encapsulation PCH, disk array RAID card and CPU, output
End connects the hard disk backboard and hard disk type judges assignment module；The input terminal of the output interface module connects the hard disk
Backboard and hard disk type judge that assignment module, output end connect indicator light.
2. interface hard disk state instruction control system according to claim 1, which is characterized in that the signal resolution module
Including SATA_SGPIO parsing modules, SAS_SGPIO parsing modules and I2C parsing modules, wherein SATA_SGPIO parsing modules
Serial universal input for receiving to encapsulate PCH from computer main board welded ball array exports SGPIO signals, SAS_SGPIO parsings
Module is used to receive the serial universal input output SGPIO signals from disk array RAID card, and I2C parsing modules are for receiving
Twin wire universal serial bus I2C signals from CPU.
3. a kind of interface hard disk state instruction control method based on CPLD-FPGA, which is characterized in that including：
Obtain hard disk backboard type；
Hard disk type is determined according to the hard disk backboard type；
Corresponding control signal is obtained according to the hard disk backboard type and hard disk type；
The control signal is parsed, LED status is controlled.
4. interface hard disk state instruction control method according to claim 3, which is characterized in that the hard disk backboard type
Including SATA hard disc backboard and SAS hard disk backboards；The hard disk type includes SATA interface hard disk, SAS interface hard disks and NVMe
Hard disk.
5. interface hard disk state instruction control method according to claim 4, which is characterized in that the acquisition hard disk backboard
Type specifically includes：
Obtain the low and high level of the hard disk backboard address HDDBP_ID signals sent out by hard disk backboard；
The type of hard disk backboard is judged according to the low and high level of the hard disk backboard address HDDBP_ID signals, wherein when described
When hard disk backboard address HDDBP_ID signals are low level, hard disk backboard is SATA hard disc backboard；When the hard disk backboard address
When HDDBP_ID signals are low high level, hard disk backboard is SAS hard disk backboards.
6. interface hard disk state instruction control method according to claim 4, which is characterized in that described according to the hard disk
Backboard type determines that hard disk type specifically includes：
Obtain the PRSNT signals of the IfDet signals and Pin9 pins of 8639 slot Pin4 pins；
Hard disk type is determined according to the hard disk backboard address HDDBP_ID signals, IfDet signals and PRSNT signals.
7. interface hard disk state instruction control method according to claim 4, which is characterized in that described according to the hard disk
Backboard type and hard disk type obtain corresponding control signal and specifically include：
If the hard disk type is SATA hard disc, acquisition is sent out serial general by computer main board welded ball array encapsulation PCH
Input and output SGPIO signals；
If the hard disk type is SAS hard disks, obtains and exported by the serial universal input that disk array RAID card is sent out
SGPIO signals；
If the hard disk type is NVMe hard disks, the twin wire universal serial bus I2C signals sent out by CPU are obtained.
8. interface hard disk state instruction control method according to claim 7, which is characterized in that the computer main board soldered ball
The serial universal input output SGPIO signals that array package PCH is sent out are obtained by SATA_SGPIO parsing modules；The disk battle array
The serial universal input output SGPIO signals that row RAID card is sent out are obtained by SAS_SGPIO parsing modules；What the CPU was sent out
Twin wire universal serial bus I2C signals are obtained by I2C parsing modules.
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| CN109271300A (en) * | 2018-09-26 | 2019-01-25 | 郑州云海信息技术有限公司 | A kind of ignition method of SATA hard disc, system and associated component |
| CN109446142A (en) * | 2018-10-12 | 2019-03-08 | 新华三技术有限公司成都分公司 | Electronic equipment, mainboard and control method |
| CN110147303A (en) * | 2019-06-12 | 2019-08-20 | 深圳市同泰怡信息技术有限公司 | A method of the serial port hard disk lighting based on input and output controller center |
| CN110377484A (en) * | 2019-06-29 | 2019-10-25 | 苏州浪潮智能科技有限公司 | Judge the method and system of disk state |
| CN110955574A (en) * | 2018-09-27 | 2020-04-03 | 佛山市顺德区顺达电脑厂有限公司 | Hard disk lamp signal display method |
| CN111538641A (en) * | 2020-06-23 | 2020-08-14 | 湖南兴天电子科技有限公司 | Hard disk state detection circuit of disk array |
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| CN110147303A (en) * | 2019-06-12 | 2019-08-20 | 深圳市同泰怡信息技术有限公司 | A method of the serial port hard disk lighting based on input and output controller center |
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| CN111538641B (en) * | 2020-06-23 | 2020-10-09 | 湖南兴天电子科技有限公司 | Hard disk state detection circuit of disk array |
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Application publication date: 20180921 |