CN107678997A - Hot-plug method, system, device and the readable storage medium storing program for executing of PCIE plug-in cards - Google Patents
Hot-plug method, system, device and the readable storage medium storing program for executing of PCIE plug-in cards Download PDFInfo
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- CN107678997A CN107678997A CN201710891906.0A CN201710891906A CN107678997A CN 107678997 A CN107678997 A CN 107678997A CN 201710891906 A CN201710891906 A CN 201710891906A CN 107678997 A CN107678997 A CN 107678997A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
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Abstract
This application discloses a kind of hot-plug method of PCIE plug-in cards, including：Judge PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；When the PCIE plug-in cards do not have signal or MRL locking signal in place, signal or MRL in place that obtaining or generate hot-swapping controller by CPLD needs lock signal；When PCIE plug-in cards have signal and/or MRL locking signal in place, then obtaining signal and/or MRL in place by CPLD locks signal；The POWER signals of PCIE plug-in cards are obtained by CPLD；Signal in place, MRL are locked by signal by CPLD and POWER signals are sent to hot-swapping controller.Because the present invention considers all kinds of PCIE plug-in cards, existing PCIE technical protocol is varied without, can be with using all kinds of PCIE plug-in cards.Disclosed herein as well is hot plug system, device and the readable storage medium storing program for executing of corresponding PCIE plug-in cards.
Description
Technical field
The present invention relates to hot plug field, more particularly to a kind of hot-plug method of PCIE plug-in cards, system, device and readable
Storage medium.
Background technology
Hot plug, it is that a kind of permission user takes out or changed damage in the case where not closing system, do not cut off the electricity supply
The hardware management mode of the parts such as hard disk, power supply or clamp, so as to improve system to the timely recovery capability of disaster, autgmentability and
Flexibility etc..Especially in unified memory technology, the safety guarantee of data is the core requirement of storage device, therefore ensures equipment
It is the key of storage device ceaselessly to run well for a long time, therefore works as and failed part occur or need to be replaced part, upgrade
When, it is crucial to ensure that equipment is not shut down, and at this moment hot plug technology just works, i.e., in storage device normal boot-strap, fortune
In the state of row, failure accessory is changed or added new accessory, that is, so-called heat is replaced, heat is added, heat upgrading.
PCIE (PCI express) hot plug results from the hot-swapping controller standard criterion formulated for pci bus
(SHPC).The design concept of PCIE hot plugs belongs to a kind of " zero accident (no surprise) " formula strategy, i.e., user in insertion or
, it is necessary to notify system in advance when extracting interface card, system software is ready, and reinforms user's hot plug.
When realizing hot plug technology, it is necessary to support the PCIE plug-in cards, hot-swapping controller, hot plug of hot plug in system
Drive system three coordinates, indispensable.Wherein, three action signals are needed in hot plug agreement, is operated and passed through by user
PCIE plug-in cards are transferred to hot-swapping controller, and three supported signals are respectively：
Signal in place：Hot-swapping controller judges that PCIE plug-in cards are inserted into PCIE slots by signal in place, with this
Carry out related register setting and interruption is sent；
MRL locks signal：Signal is locked by MRL to be correctly inserted into groove position come notification controller, PCIE plug-in cards, and
It has been fixed that, next step action can be carried out；
POWER button signal：By POWER button signal, carry out notification controller and power-on and power-off are carried out to PCIE plug-in cards.
But not all PCIE plug-in cards on the market, PCIE hot plug standard is all complied fully with, some PCIE are inserted
Block no signal in place or MRL locking signal, this plug-in card can not carry out corresponding heat in the PCIE agreements of prior art and insert
Pull out operation.
The content of the invention
In view of this, it is an object of the invention to provide a kind of hot-plug method of PCIE plug-in cards, system, device and readable
Storage medium, it disclosure satisfy that the application of all PCIE plug-in cards.Its concrete scheme is as follows：
A kind of hot-plug method of PCIE plug-in cards, including：
Judge the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；
When the signal in place and/or MRL locking signals being present in the PCIE plug-in cards, then obtained by CPLD described in
Signal in place and/or MRL locking signals；
When the PCIE plug-in cards do not have the signal in place, then the state that the PCIE plug-in cards are obtained by the CPLD is believed
Number, the signal in place as the PCIE plug-in cards；
When the PCIE plug-in cards do not have the MRL lockings signal, the then signal in place obtained by the CPLD, life
Signal is locked into the MRL；
The POWER signals of the PCIE plug-in cards are obtained by the CPLD；
Signal, MRL locking signals and the POWER signals in place are sent to hot plug by the CPLD
Controller.
Preferably, it is described there is no the signal in place when the PCIE plug-in cards, then pass through the CPLD and obtain the PCIE
The status signal of plug-in card, as the process of the signal in place of the PCIE plug-in cards, including：
When the PCIE plug-in cards do not have the signal in place, then the ID that the PCIE plug-in cards are obtained by the CPLD believes
Number, the signal in place as the PCIE plug-in cards.
Preferably, the hot-plug method also includes：
When the unexpected power down of the external power supply of the hot-swapping controller, judge whether the PCIE plug-in cards need standby electricity；Such as
Fruit is no, then simulating generation POWER signals by the CPLD is sent to the hot-swapping controller, to be carried out to the PCIE plug-in cards
Under it is electrically operated.
Preferably, the hot-plug method also includes：
Information exchange between the progress CPU and CPLD on the PCIE plug-in cards.
Preferably, the process between progress CPU and the CPLD on the information exchange of the PCIE plug-in cards includes：
The information of the PCIE plug-in cards in the CPLD is monitored by the CPU.
Preferably, the process between progress CPU and the CPLD on the information exchange of the PCIE plug-in cards includes：
Hot plug dummy instruction is sent to the CPLD by the CPU, to carry out hot plug related commissioning.
Accordingly, the invention also discloses a kind of hot plug system of PCIE plug-in cards, including：
Judge module, for judging the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；
Signal acquisition module, it is used for：
When the signal in place and/or MRL locking signals being present in the PCIE plug-in cards, then obtained by CPLD described in
Signal in place and/or MRL locking signals；When the PCIE plug-in cards do not have the signal in place, then obtained by the CPLD
The status signal of the PCIE plug-in cards is taken, the signal in place as the PCIE plug-in cards；When the PCIE plug-in cards do not have the MRL
Signal is locked, then the signal in place obtained by the CPLD, generates the MRL lockings signal；Obtained by the CPLD
Take the POWER signals of the PCIE plug-in cards；
Signal transmitting module, for the in place signal, the MRL to be locked into signal and described by the CPLD
POWER signals are sent to hot-swapping controller.
Accordingly, the invention also discloses a kind of hot plug device of PCIE plug-in cards, including CPLD and hot-swapping controller,
Wherein described CPLD is specifically used for：
Judge the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；When the PCIE plug-in cards have institute
Signal in place and/or MRL locking signals are stated, obtains the signal in place and/or MRL locking signals；When described
PCIE plug-in cards do not have the signal in place, obtain the status signal of the PCIE plug-in cards, the letter in place as the PCIE plug-in cards
Number；When the PCIE plug-in cards do not have MRL locking signal, the signal in place of acquisition, the MRL lockings signal is generated；
Obtain the POWER signals of the PCIE plug-in cards；Then by signal, MRL locking signals and the POWER signals in place
Send to the hot-swapping controller.
Accordingly, the hot plug device also includes：The information exchange on the PCIE plug-in cards is carried out with the CPLD
CPU.
Accordingly, the invention also discloses a kind of readable storage medium storing program for executing, computer is stored with the readable storage medium storing program for executing
Program, when the computer program is executed by processor realize as described above the hot-plug method of PCIE plug-in cards the step of.
The invention discloses a kind of hot-plug method of PCIE plug-in cards, including：Judge that the PCIE plug-in cards whether there is
Position signal and/or MRL locking signals；When the PCIE plug-in cards have the signal in place and/or MRL locking signals, then
The signal in place is obtained by CPLD and/or the MRL locks signal；When the PCIE plug-in cards do not have the signal in place,
The status signal of the PCIE plug-in cards, the signal in place as the PCIE plug-in cards are then obtained by the CPLD；When described
PCIE plug-in cards do not have the MRL lockings signal, then the signal in place obtained by the CPLD, generate the MRL lockings
Signal；The POWER signals of the PCIE plug-in cards are obtained by the CPLD；By the CPLD by the in place signal, described
MRL locks signal and the POWER signals are sent to hot-swapping controller.Because the present invention considers all kinds of PCIE plug-in cards, when
When the PCIE plug-in cards do not have signal or MRL in place locking signal, obtained or generated by CPLD hot-swapping controller needs
Position signal or MRL locking signals, to complete the hot plug of PCIE plug-in cards, vary without existing PCIE technical protocol, are not required to examine
Consider PCIE plug-in card types, can be with using all kinds of PCIE plug-in cards.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of step flow chart of the hot-plug method of PCIE plug-in cards in the embodiment of the present invention；
Fig. 2 is a kind of structure distribution figure of the hot plug system of PCIE plug-in cards in the embodiment of the present invention；
Fig. 3 is a kind of structure distribution figure of the hot plug device of PCIE plug-in cards in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is shown in Figure 1 the embodiment of the invention discloses a kind of hot-plug method of PCIE plug-in cards, including：
S1：Judge the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；
S2：When the PCIE plug-in cards have the signal in place and/or MRL locking signals, then obtained by CPLD
The signal in place and/or MRL locking signals；When the PCIE plug-in cards do not have the signal in place, then by described
CPLD obtains the status signal of the PCIE plug-in cards, the signal in place as the PCIE plug-in cards；When the PCIE plug-in cards do not have
The MRL locks signal, then the signal in place obtained by the CPLD, generates the MRL lockings signal；
Wherein, the status signal of PCIE plug-in cards is the existing signal of all kinds of PCIE plug-in cards, including ID signals etc..
S3：The POWER signals of the PCIE plug-in cards are obtained by the CPLD；
S4：Signal, MRL locking signals and the POWER signals in place are sent to heat by the CPLD
Swap controller.
In the present embodiment, due to considering all kinds of PCIE plug-in cards, when the PCIE plug-in cards do not have signal or MRL locking letter in place
Number when, by CPLD obtain or generate hot-swapping controller need signal or MRL in place lock signal, to complete PCIE plug-in cards
Hot plug, vary without existing PCIE technical protocol, be not required to consider PCIE plug-in card types, can be to be inserted using all kinds of PCIE
Card.
Further, because hot plug signal is all sent by CPLD, also heat is inserted according to product performance for developer
Pull out the flexible control of signal progress and provide interface, improve the scalability of system.
The embodiment of the invention discloses a kind of hot-plug method of specific PCIE plug-in cards, relative to a upper embodiment, sheet
Embodiment has made further instruction and optimization to technical scheme.Specifically also include：
When the unexpected power down of the external power supply of the hot-swapping controller, judge whether the PCIE plug-in cards need standby electricity；Such as
Fruit is no, then simulating generation POWER signals by the CPLD is sent to the hot-swapping controller, to be carried out to the PCIE plug-in cards
Under it is electrically operated.
It is understood that the protection of data safety is the most important thing of storage device operation.Break suddenly in external power source
When electric, standby electricity and rule are completed by battery, data in EMS memory is completely preserved.It is limited in order to make full use of
Reserve battery, ensure the power-on time of battery, can will be not required under the PCIE plug-in cards of standby electricity electricity to save electric energy.
The present embodiment can also include step：
Information exchange between the progress CPU and CPLD on the PCIE plug-in cards.
Wherein, information exchange here can include CPU to the information monitoring of PCIE plug-in cards in CPLD, can also include
CPU sends hot plug dummy instruction to CPLD, has carried out hot plug related commissioning.It is, of course, also possible to including between CPU and CPLD
Other information interaction.
It is understood that CPU and CPLD completes information exchange by I2C buses so that CPU can obtain PCIE in time
The information of plug-in card, and the debugging difficulty before reducing.
Accordingly, it is shown in Figure 2 present embodiment discloses a kind of hot plug system of PCIE plug-in cards, including：
Judge module 01, for judging the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；
Signal acquisition module 02, is used for：
When the signal in place and/or MRL locking signals being present in the PCIE plug-in cards, then obtained by CPLD described in
Signal in place and/or MRL locking signals；When the PCIE plug-in cards do not have the signal in place, then obtained by the CPLD
The status signal of the PCIE plug-in cards is taken, the signal in place as the PCIE plug-in cards；When the PCIE plug-in cards do not have the MRL
Signal is locked, then the signal in place obtained by the CPLD, generates the MRL lockings signal；Obtained by the CPLD
Take the POWER signals of the PCIE plug-in cards；
Signal transmitting module 03, for the in place signal, the MRL to be locked into signal and described by the CPLD
POWER signals are sent to hot-swapping controller.
Accordingly, it is shown in Figure 3 present embodiment discloses a kind of hot plug device of PCIE plug-in cards, including CPLD11
With hot-swapping controller 12, wherein CPLD11 is specifically used for：
Judge the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；When the PCIE plug-in cards have institute
Signal in place and/or MRL locking signals are stated, obtains the signal in place and/or MRL locking signals；When described
PCIE plug-in cards do not have the signal in place, obtain the status signal of the PCIE plug-in cards, the letter in place as the PCIE plug-in cards
Number；When the PCIE plug-in cards do not have MRL locking signal, the signal in place of acquisition, the MRL lockings signal is generated；
Obtain the POWER signals of the PCIE plug-in cards；Then by signal, MRL locking signals and the POWER signals in place
Send to the hot-swapping controller.
Accordingly, the hot plug device also includes：The information exchange on the PCIE plug-in cards is carried out with CPLD11
CPU13。
It is understood that CPLD11 and CPU13 carries out information exchange by I2C buses.
Accordingly, present embodiment discloses a kind of readable storage medium storing program for executing, computer is stored with the readable storage medium storing program for executing
Program, realized when the computer program is executed by processor such as the step of the hot-plug method of PCIE plug-in cards in foregoing embodiments
Suddenly.
Wherein, the correlative detail of the hot-plug method about PCIE plug-in cards is with reference to above-described embodiment, and here is omitted.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
Above to a kind of hot-plug method, system, device and the readable storage medium storing program for executing of PCIE plug-in cards provided by the present invention
It is described in detail, specific case used herein is set forth to the principle and embodiment of the present invention, and the above is real
The explanation for applying example is only intended to help the method and its core concept for understanding the present invention；Meanwhile for the general technology of this area
Personnel, according to the thought of the present invention, there will be changes in specific embodiments and applications, in summary, this theory
Bright book content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. hot-plug method of PCIE plug-in cards, it is characterised in that including：Judge the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；When the PCIE plug-in cards have the signal in place and/or MRL locking signals, then obtained by CPLD described in place Signal and/or MRL locking signals；When the PCIE plug-in cards do not have the signal in place, then the status signal of the PCIE plug-in cards is obtained by the CPLD, Signal in place as the PCIE plug-in cards；When the PCIE plug-in cards do not have the MRL lockings signal, the then signal in place obtained by the CPLD, generation institute State MRL locking signals；The POWER signals of the PCIE plug-in cards are obtained by the CPLD；Signal, MRL locking signals and the POWER signals in place are sent to hot plug and controlled by the CPLD Device.
- 2. hot-plug method according to claim 1, it is characterised in that it is described when the PCIE plug-in cards do not have it is described in place Signal, then the status signal of the PCIE plug-in cards, the mistake as the signal in place of the PCIE plug-in cards are obtained by the CPLD Journey, including：When the PCIE plug-in cards do not have the signal in place, then pass through the ID signals that the CPLD obtains the PCIE plug-in cards, make For the signal in place of the PCIE plug-in cards.
- 3. hot-plug method according to claim 1 or 2, it is characterised in that also include：When the unexpected power down of the external power supply of the hot-swapping controller, judge whether the PCIE plug-in cards need standby electricity；If not, Generation POWER signals are then simulated by the CPLD and are sent to the hot-swapping controller, to carry out lower electricity to the PCIE plug-in cards Operation.
- 4. hot-plug method according to claim 1 or 2, it is characterised in that also include：Information exchange between the progress CPU and CPLD on the PCIE plug-in cards.
- 5. hot-plug method according to claim 4, it is characterised in that between progress CPU and the CPLD on The process of the information exchange of the PCIE plug-in cards includes：The information of the PCIE plug-in cards in the CPLD is monitored by the CPU.
- 6. hot-plug method according to claim 4, it is characterised in that between progress CPU and the CPLD on The process of the information exchange of the PCIE plug-in cards includes：Hot plug dummy instruction is sent to the CPLD by the CPU, to carry out hot plug related commissioning.
- A kind of 7. hot plug system of PCIE plug-in cards, it is characterised in that including：Judge module, for judging the PCIE plug-in cards with the presence or absence of signal in place and/or MRL locking signals；Signal acquisition module, it is used for：When the PCIE plug-in cards have the signal in place and/or MRL locking signals, then obtained by CPLD described in place Signal and/or MRL locking signals；When the PCIE plug-in cards do not have the signal in place, then pass through the CPLD and obtain institute The status signal of PCIE plug-in cards is stated, the signal in place as the PCIE plug-in cards；When the PCIE plug-in cards do not have the MRL to lock Signal, then the signal in place obtained by the CPLD, generate the MRL lockings signal；Institute is obtained by the CPLD State the POWER signals of PCIE plug-in cards；Signal transmitting module, for being believed signal, MRL locking signals and the POWER in place by the CPLD Number send to hot-swapping controller.
- 8. a kind of hot plug device of PCIE plug-in cards, it is characterised in that including CPLD and hot-swapping controller, wherein the CPLD It is specifically used for：Judge that the PCIE plug-in cards whether there is in+position signal and/or MRL locking signals；Described in existing when the PCIE plug-in cards Signal in place and/or MRL locking signals, obtain the signal in place and/or MRL locking signals；As the PCIE Plug-in card does not have the signal in place, obtains the status signal of the PCIE plug-in cards, the signal in place as the PCIE plug-in cards；When The PCIE plug-in cards do not have the MRL lockings signal, the signal in place of acquisition, generate the MRL lockings signal；Obtain institute State the POWER signals of PCIE plug-in cards；Then by the in place signal, the MRL lock signal and the POWER signals send to The hot-swapping controller.
- 9. hot plug device according to claim 8, it is characterised in that also include：Carried out with the CPLD on described The CPU of the information exchange of PCIE plug-in cards.
- 10. a kind of readable storage medium storing program for executing, it is characterised in that computer program, the meter are stored with the readable storage medium storing program for executing Realized when calculation machine program is executed by processor as described in any one of claim 1 to 6 the step of the hot-plug method of PCIE plug-in cards.
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| CN201710891906.0A CN107678997B (en) | 2017-09-27 | 2017-09-27 | Hot plug method, system, device and readable storage medium of PCIE (peripheral component interface express) card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710891906.0A CN107678997B (en) | 2017-09-27 | 2017-09-27 | Hot plug method, system, device and readable storage medium of PCIE (peripheral component interface express) card |
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| CN111339010A (en) * | 2020-02-14 | 2020-06-26 | 苏州浪潮智能科技有限公司 | PCIE (peripheral component interface express) equipment hot plug identification method, system and related components |
| WO2021098485A1 (en) * | 2019-11-20 | 2021-05-27 | 中兴通讯股份有限公司 | Method and system for power-on and power-off control of pcie device |
| CN114064541A (en) * | 2022-01-18 | 2022-02-18 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for simulating plugging and unplugging of hard disk |
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