CN102193609B - Setting method for power supply locking and electronic device thereof - Google Patents
Setting method for power supply locking and electronic device thereof Download PDFInfo
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- CN102193609B CN102193609B CN201010145322.7A CN201010145322A CN102193609B CN 102193609 B CN102193609 B CN 102193609B CN 201010145322 A CN201010145322 A CN 201010145322A CN 102193609 B CN102193609 B CN 102193609B
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Abstract
The invention relates to a setting method for power supply locking and an electronic device thereof. The setting method is suitable for the electronic device. The electronic device comprises a power supply switch, a GPIO (General Purpose Input/Output) interface, a control unit, a logic processing unit and a processing module. A power supply control method comprises the following steps of: receiving a trigger signal generated after a power supply switch is pressed down by utilizing a pin of the GPIO interface, transmitting the trigger signal to the control unit, starting the electronic device by using the control unit, and executing power-on self-test of the logic processing unit by the processing unit; judging whether the GPIO interface is set to be in a power supply locking state or not according to the logic processing unit; if the GPIO interface is set to be in the power supply locking state, setting the electric potential of the pin to be a power-forbidden electric potential; and loading an operating system to finish a boot-strap program by utilizing the processing module. According to the process of the power supply control method, the electronic device can not transmit a regenerated trigger signal to the control unit under the working environment of the operating system.
Description
Technical field
The present invention relates to a kind of establishing method and electronic installation thereof of line lock, relate in particular to a kind of establishing method and electronic installation thereof of the line lock of setting by baseboard management controller.
Background technology
General server possesses the lock function of power button mostly at present, to prevent after server start, non-information management system (Management Information System) personnel's false touch power button, and server is shut down under abnomal condition, cause the data of just processing on server to preserve, or cause the damage of electronic package in server.
With reference to Fig. 1, it is for the server square schematic diagram that possesses power button lock function of prior art.In Fig. 1, server comprises power button 11, universal IO interface (General Purpose Input/Output, GPIO) 12, chipset south bridge (Chipset Southbridge) 13, central processing unit (CPU) 14 and basic input/output system (BIOS) 15.When power button lock function is activated, according to BIOS 15, set the operator scheme of GPIO 12, make under the working environment of operating system, the signal that power button 11 produces while being pressed cannot be sent to CPU 14 by GPIO 12.
While selecting shutdown or dormancy isotype under the environment of user in operating system, operating system can be notified BIOS 15, to change the operator scheme of GPIO 12, makes, after server shutdown or dormancy, while again pressing power button 11, can again start server.
Yet, when server is in the process of operation, operating system produces mistake in unexpected situation, and while causing server to work as machine, because GPIO 12 is operator schemes that the power button 11 that is configured to that no thoroughfare shuts down, therefore user only can force power-off shutdown by pulling out the attaching plug of server at this moment, and cannot shut down by pressing power button 11.
Summary of the invention
The present invention proposes in order to address the above problem, and its object is just to provide a kind of establishing method and electronic installation thereof of line lock, to solve operating system mistake, causes when the machine, can only forcing to pull out the mode of plug the problem of power-off shutdown.
According to object of the present invention, a kind of establishing method of line lock is proposed.The establishing method of described line lock is applicable to electronic installation, this electronic installation comprises power switch, universal IO interface (General Purpose Input/Output, GPIO), control module, Logical processing unit and processing module, described power control method comprises the following step.First use the pin of universal IO interface to receive that power switch is pressed and the trigger pip that produces, and trigger pip is sent to control module, control module just starts electronic installation after receiving trigger pip, afterwards the instructions such as start selftest (Power-on-self-test) in processing module actuating logic processing unit.By Logical processing unit, judge whether universal IO interface is set to line lock state again.When universal IO interface is set to line lock state, by Logical processing unit, by the potential setting of pin, be forbidden energy (Disable) current potential.Finally use processing module load operation system, with executive operating system boot program.
Wherein, under the working environment of described operating system, when trigger pip produces again, forbid being transferred into control module.
Wherein, Logical processing unit comprises basic input/output system and baseboard management controller, basic input/output system can judge whether universal IO interface is set to line lock state, when universal IO interface is set to line lock state, basic input/output system transmits lock instruction to baseboard management controller, and the current potential that makes baseboard management controller set pin is forbidden energy current potential.
Wherein, the establishing method of described line lock, also comprises and provides networking module to be online to the control end in net territory.When operating system is interrupted conflict (Hang UP), by networking module, receive the forced shutdown instruction that control end transmits, and according to this forced shutdown instruction, by the potential setting of pin, be activation current potential by baseboard management controller.Recycling baseboard management controller makes described electronic installation enter shutdown mode.
In addition, the present invention also proposes a kind of electronic installation of tool line lock function, and this electronic installation comprises power switch, universal IO interface, control module, Logical processing unit and processing module.Power switch can, in order to receive touch action, produce trigger pip with correspondence.Universal IO interface connects power switch with pin, to receive described trigger pip.Control module connection universal type IO interface, to receive described trigger pip by universal IO interface, and has the electronic installation of line lock function described in starting.Processing module connection control unit.Logical processing unit connects processing module and universal IO interface, so that processing module is carried out the start selftest of described Logical processing unit, and judges by Logical processing unit whether universal IO interface is set to line lock state.
Wherein, processing module is carried out after start selftest, load operation system, and executive operating system boot program.
Wherein, when Logical processing unit judges that universal IO interface is set to line lock state, Logical processing unit is forbidden energy current potential by the potential setting of pin, with under the working environment of operating system, and when trigger pip produces again, forbid being sent to control module by universal IO interface.
Wherein, Logical processing unit comprises basic input/output system and baseboard management controller, basic input/output system can judge whether universal IO interface is set to line lock state, when universal IO interface is set to line lock state, basic input/output system transmits lock instruction to baseboard management controller, and the current potential that makes baseboard management controller set pin is forbidden energy current potential.
Wherein, the described electronic installation with line lock function also comprises networking module and is connected in baseboard management controller to be online to the control end in net territory, when operating system is interrupted conflict, baseboard management controller receives by networking module the forced shutdown instruction that control end transmits, and according to forced shutdown instruction, by the potential setting of pin, be activation current potential, and make the electronic installation of tool line lock function enter shutdown mode.
In sum, according to the establishing method of a kind of line lock of the present invention and electronic installation thereof, it can have following advantage:
The establishing method of described line lock and electronic installation thereof can be by Logical processing unit setting general-purpose type IO interface, by this to solve when operating system is interrupted conflict, and cannot be by the problem of line lock function releasing.
Accompanying drawing explanation
Fig. 1 is the server square schematic diagram of the tool power button lock function of prior art;
Fig. 2 is the first embodiment calcspar with the electronic installation of line lock function of the present invention;
Fig. 3 is the second embodiment calcspar with the electronic installation of line lock function of the present invention;
Fig. 4 is the 3rd embodiment calcspar of the electronic installation of tool line lock function of the present invention;
Fig. 5 is the process flow diagram of the establishing method of line lock of the present invention;
Fig. 6 is the first embodiment process flow diagram of establishing method of the line lock of Fig. 5; And
Fig. 7 is the second embodiment process flow diagram of establishing method of the line lock of Fig. 5.
Main symbol description: 11 is power button; 12 is universal IO interface; 13 is chipset south bridge; 14 is central processing unit; 15 is basic input/output system; 2 is the electronic installation of tool line lock function; 21 is power switch; 211 is trigger pip; 22 is universal IO interface; 221 is pin; 23 is control module; 231 is chipset south bridge; 24 is processing module; 241 is battery saving mode signal or shutdown mode signal; 25 is Logical processing unit; 251 is basic input/output system; 252 is baseboard management controller; 253 is lock instruction; 254 is the instruction that unlocks; 26 is networking module; 27 is control end; 271 is forced shutdown instruction; A41～A44 is step; B11～B17 is step; And B21～B27 is step.
Embodiment
With reference to Fig. 2, it is the first embodiment calcspar of the electronic installation of tool line lock function of the present invention.In Fig. 2, the electronic installation 2 of described tool line lock function comprises power switch 21, universal IO interface (General Purpose Input/Output, GPIO) 22, control module 23, processing module 24 and Logical processing unit 25.
When user exerts pressure a touch action on power switch 21, power switch 21 can correspondingly produce a trigger pip 211.GPIO 22 connects power switch 21 with pin (Pin) 221, to receive described trigger pip 211, and transmits this trigger pip 211 to control module 23, so that control module 23 starts the electronic installation 2 of described tool line lock function.The load operation system after the instructions such as selftest (Power-on-self-test, POST) of starting shooting in processing module 24 actuating logic processing units 25 again, to carry out starting operating system program.
In addition, Logical processing unit 25 also can be detected the set condition of GPIO 22, when Logical processing unit 25 judgement GPIO 22 are set to line lock state, Logical processing unit 25 can be forbidden energy current potential by the potential setting of pin 221, allow the path of 23 of power switch 21 and control modules become out loop, so that under the working environment of operating system, preventing the trigger pip 211 that the careless erroneous touch of power switch 21 of user produces, the electronic installation 2 of tool line lock function of the present invention is sent to control module 23 by GPIO 22.The magnitude of voltage of described forbidden energy current potential is preferably the magnitude of voltage higher than default conducting.
Described control module 23 is preferably chipset south bridge, chipset north bridge or embedded controller (Embedded Controller, EC).
With reference to Fig. 3, it is the second embodiment calcspar of the electronic installation of tool line lock function of the present invention.Compare with the first embodiment, its difference is that the Logical processing unit 25 of the second embodiment also comprises basic input/output system (BIOS) 251 and baseboard management controller (Baseboard Management Controller, BMC) 252.In addition, with chipset south bridge 231, replace control module 23.Remainder is all identical, just not at this detailed description.
BIOS 251 can be in order to judge whether GPIO 22 is set to line lock state.When BIOS251 judgement GPIO 22 is set to line lock state, BIOS 251 can transmit a lock instruction 253 to BMC 252, makes BMC 252 set the action of current potential.
In addition, described BMC 252 itself also can carry out an embedded system operating system, and described embedded system operating system is that the operating system performed with processing module 24 is the system of difference independent operating.Embedded system operating system is preferably this type of more stable operating system as Linux, to allow BMC 252 collect and detect various system healths and the system status information of the electronic installation 2 with line lock function, when having matters of aggravation to produce, can correct action.Described system health information can be as various system voltages, temperature and fan speed etc.And the operating system that processing module 24 loads is generally Windows, this type of has the operating system at user friendly interface, to improve the convenience of use.
In addition, under the working environment of user in operating system, when selection enters battery saving mode or shutdown mode, processing module 24 meeting transmission battery saving mode signals or shutdown mode signal 241 are given BIOS 251, and BIOS 251 can transmit the instruction 254 that unlocks accordingly to BMC 252, allow the BMC 252 be activation current potential by the potential setting of pin 221, and then make the path conducting between power switch 21 and chipset south bridge 231.When the electronic installation 2 with line lock function of the present invention enters after battery saving mode or shutdown mode, can again be started by pushing power switch 21.Wherein, the magnitude of voltage of described activation current potential is preferably the magnitude of voltage of pin 221 default conductings, described battery saving mode can be advanced configuration and power interface (Advanced Configuration and Power Interface, ACPI) S1 or S4 state, and shutdown mode can be the S5 state of ACPI.
With reference to Fig. 4, it is the 3rd embodiment calcspar with the electronic installation of line lock function of the present invention.Compare with the second embodiment, its difference is that the electronic installation with line lock function 2 of the 3rd embodiment also comprises a networking module 26 and is connected with BMC 252, can set up a line of communication with the control end 27 of netting in territory thus.Under the environment in operating system work, when the operating system that the operating system causing due to unscheduled event or software fault and application program deadlock (Deadlock) cause is interrupted conflict (Hang UP), due to now not response of operating system, information management system personnel can transmit forced shutdown instruction 271 to BMC 252 by control end, allow BMC 252 accordingly the potential setting of pin 221 be returned to activation current potential, so that the electronic installation with line lock function 2 after forced shutdown can be via again starting after pushing power switch 21, and the electronic installation 2 described in BMC 252 also can allow with line lock function enters off-mode.
In addition, when operating system is interrupted conflict, except being controlled forced shutdown by control end 27, WatchDog Timer (Watchdog Timer) that in addition also can independently working in BMC 252 is detected the working condition of operating system, the system deadlock that various software assembly causes as BIOS, operating system, application program or diagnostic software, when WatchDog Timer produces overtime, BMC 252 can be configured to autoboot system, and simultaneously by line lock status releasing, and deadlock situation is reported to control end 27 by networking module 26.Remainder is all identical with the second embodiment, just not at this detailed description.
Should be noted that, when the power lead of the electronic installation 2 with line lock function of the present invention from the state (being the G3 state of ACPI) that leaves mains-supplied end when plugging in (the S5 state that is ACPI), the pin 221 of GPIO 22 should be place and default conducting state, and so user side is able to pushing power switch 21 to start the electronic installation 2 with line lock function of the present invention.
Although previous embodiment illustrates the establishing method of line lock of the present invention simultaneously, for making those skilled in the art can be more cheer and bright, below will illustrate in addition again process flow diagram collocation explanation.
With reference to Fig. 5, the process flow diagram of its establishing method that is line lock of the present invention.The establishing method of described line lock is established for electronic installation, and this electronic installation comprises power switch, GPIO, BIOS, chipset south bridge, processing module and BMC.In Fig. 5, the establishing method of described line lock comprises the following step:
In steps A 41, use the pin of GPIO to receive that power switch is pressed and the trigger pip that produces, and transmit this trigger pip to chipset south bridge, by chipset south bridge, start described electronic installation, and make processing module carry out the start selftest instruction of BIOS.
In steps A 42, judge whether GPIO is set to line lock state, if carry out steps A 43, carry out if not steps A 44.
In steps A 43, according to BIOS, transmit lock instruction to BMC, making BMC is forbidden energy (Disable) current potential by the potential setting of pin.
In steps A 44, use processing module load operation system, with executive operating system boot program, and carry out step B.
With reference to Fig. 6, the first embodiment process flow diagram of the establishing method of its line lock that is Fig. 5.
In step B11, under the working environment of operating system, select to enter battery saving mode or shutdown mode.
In step B12, utilize processing module transmission battery saving mode signal or shutdown mode signal to BIOS.
In step B13, by BIOS, transmit and unlock instruction to BMC.
In step B14, utilize BMC that the potential setting of pin is become to activation current potential.
In step B15, enter battery saving mode or shutdown mode.
In step B16, by the detecting of chipset south bridge, whether receive trigger pip, when receiving, carry out step B17, continue if not detecting.
In step B17, restart electronic installation.
With reference to Fig. 7, the second embodiment process flow diagram of the establishing method of its line lock that is Fig. 5.
In step B21, provide networking module to be online to the control end in net territory.
In step B22, detecting operating system, whether in interrupting conflict situation, if carry out step B23, if not, continues detecting.
In step B23, by control end, by networking module, transmit forced shutdown instruction to BMC.
In step B24, use BMC that the potential setting of pin is become to activation current potential.
In step B25, utilize BMC to make electronic installation enter off-mode.
In step B26, by the detecting of chipset south bridge, whether receive trigger pip, when receiving, carry out step B27, if not, continue detecting.
In step B27, restart electronic installation.
According to above-mentioned steps, the forced shutdown instruction remote control electronic installation that can be transmitted by control end enters off-mode, and does not need the plug of electronic installation to pull out, in case the various electronic packages in electronic installation damage.
The foregoing is only illustrative, rather than restrictive.Anyly do not depart from spirit of the present invention and category, and the equivalent modifications that it is carried out or change all should be contained among claim scope of the present invention.
Claims (10)
1. an establishing method for line lock, is to be applicable to electronic installation, and this electronic installation comprises power switch, universal IO interface, control module, Logical processing unit and processing module, it is characterized in that, the establishing method of described line lock comprises:
Use the pin of described universal IO interface to receive that described power switch is pressed and the trigger pip that produces, and described trigger pip is sent to described control module, make described control module start described electronic installation, and by the start selftest of described processing module actuating logic processing unit;
By described Logical processing unit, judge whether described universal IO interface is set to line lock state;
When described universal IO interface is set to described line lock state, described Logical processing unit is forbidden energy current potential by the potential setting of described pin; And
Use described processing module load operation system, with executive operating system boot program;
Wherein, under the working environment of described operating system, when described trigger pip produces again, forbid being transferred into described control module,
Wherein, described Logical processing unit comprises basic input/output system and baseboard management controller, described basic input/output system judges whether described universal IO interface is set to described line lock state, when described universal IO interface is set to described line lock state, described basic input/output system transmits lock instruction to described baseboard management controller, the current potential that makes described baseboard management controller set described pin is described forbidden energy current potential
Wherein, the establishing method of described line lock also comprises:
Provide networking module to be online to the control end in net territory;
When described operating system is interrupted conflict, by described networking module, receive the forced shutdown instruction that described control end transmits;
Using described baseboard management controller is activation current potential according to described forced shutdown instruction by the potential setting of described pin; And
Utilize described baseboard management controller to make described electronic installation enter shutdown mode.
2. the establishing method of line lock according to claim 1, is characterized in that, also comprises:
Under the working environment of described operating system, selected battery saving mode or the shutdown mode of entering of described electronic installation;
Use described processing module transmission battery saving mode signal or shutdown mode signal to described basic input/output system;
By described basic input/output system, transmit the instruction that unlocks to described baseboard management controller, making described baseboard management controller is activation current potential by the potential setting of described pin; And
By described basic input/output system, make described electronic installation enter described battery saving mode or described shutdown mode;
Wherein, when described electronic installation enters described battery saving mode or described shutdown mode, after described trigger pip produces again, by described universal IO interface, be sent to described control module.
3. the establishing method of line lock according to claim 2, is characterized in that, described battery saving mode is S1 or the S4 state of advanced configuration and power interface, and described shutdown mode is the S5 state of advanced configuration and power interface.
4. the establishing method of line lock according to claim 1, is characterized in that, described baseboard management controller is carried out embedded system operating system, described embedded system operating system and described operating system independent operating.
5. the establishing method of line lock according to claim 1, is characterized in that, described control module is chipset south bridge, chipset north bridge or embedded controller.
6. an electronic installation with line lock function, is characterized in that, comprises:
Power switch, it produces trigger pip for receiving touch action with correspondence;
Universal IO interface, it connects described power switch with pin, to receive described trigger pip;
Control module, it connects described universal IO interface, and receives described trigger pip by described universal IO interface, to have the electronic installation of line lock function described in starting;
Processing module, it connects described control module; And
Logical processing unit, it connects described processing module and described universal IO interface, so that described processing module is carried out the start selftest of described Logical processing unit, and described Logical processing unit judges whether described universal IO interface is set to line lock state;
Wherein, described processing module is carried out after described start selftest, load operation system, and executive operating system boot program;
Wherein, when the described universal IO interface of described Logical processing unit judgement is set to described line lock state, described Logical processing unit is forbidden energy current potential by the potential setting of described pin, with under the working environment of described operating system, and when described trigger pip produces again, forbid being sent to described control module by described universal IO interface
Wherein, described Logical processing unit comprises basic input/output system and baseboard management controller, described basic input/output system judges whether described universal IO interface is set to described line lock state, when described universal IO interface is set to described line lock state, described basic input/output system transmits lock instruction to described baseboard management controller, the current potential that makes described baseboard management controller set described pin is described forbidden energy current potential
Wherein, the described electronic installation with line lock function also comprises networking module and is connected in described baseboard management controller to be online to the control end in net territory, when described operating system is interrupted conflict, described baseboard management controller receives by described networking module the forced shutdown instruction that described control end transmits, and according to described forced shutdown instruction, by the potential setting of described pin, be activation current potential, and the electronic installation described in making with line lock function enter shutdown mode.
7. the electronic installation with line lock function according to claim 6, it is characterized in that, under the working environment of described operating system, when the described electronic installation with line lock function is selected while entering battery saving mode or shutdown mode, described processing module transmission battery saving mode signal or shutdown mode signal are to described basic input/output system, so that described basic input/output system transmits the instruction that unlocks to described baseboard management controller, and by the potential setting of described pin, be activation current potential by described baseboard management controller.
8. the electronic installation with line lock function according to claim 7, is characterized in that, described battery saving mode is S1 or the S4 state of advanced configuration and power interface, and described shutdown mode is the S5 state of advanced configuration and power interface.
9. the electronic installation with line lock function according to claim 6, is characterized in that, wherein said baseboard management controller is carried out embedded system operating system, described embedded system operating system and described operating system independent operating.
10. the electronic installation with line lock function according to claim 6, is characterized in that, wherein said control module is chipset south bridge, chipset north bridge or embedded controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010145322.7A CN102193609B (en) | 2010-03-19 | 2010-03-19 | Setting method for power supply locking and electronic device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010145322.7A CN102193609B (en) | 2010-03-19 | 2010-03-19 | Setting method for power supply locking and electronic device thereof |
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| CN102193609B true CN102193609B (en) | 2014-04-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108170245B (en) * | 2018-01-25 | 2022-04-29 | 郑州云海信息技术有限公司 | Control system and method for physical key operation of server and server management system |
| CN111142646B (en) * | 2018-11-02 | 2023-11-07 | 佛山市顺德区顺达电脑厂有限公司 | Server system and power saving method thereof |
| WO2021183093A1 (en) * | 2020-03-09 | 2021-09-16 | Hewlett-Packard Development Company, L.P. | Power controls of computing devices |
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| GB2327152A (en) * | 1997-05-30 | 1999-01-13 | Daewoo Electronics Co Ltd | Device for automatically locking a power button in a computer |
| US5886426A (en) * | 1996-09-25 | 1999-03-23 | Samsung Electronics Co., Ltd. | Power switch locking device |
| US5918059A (en) * | 1997-08-15 | 1999-06-29 | Compaq Computer Corporation | Method and apparatus for responding to actuation of a power supply switch for a computing system |
| CN1787314A (en) * | 2005-11-23 | 2006-06-14 | 杭州华为三康技术有限公司 | Apparatus and method for protecting electric source |
| CN101216724A (en) * | 2007-01-04 | 2008-07-09 | 盛群半导体股份有限公司 | Modified type micro-controller resetting method |
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- 2010-03-19 CN CN201010145322.7A patent/CN102193609B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886426A (en) * | 1996-09-25 | 1999-03-23 | Samsung Electronics Co., Ltd. | Power switch locking device |
| GB2327152A (en) * | 1997-05-30 | 1999-01-13 | Daewoo Electronics Co Ltd | Device for automatically locking a power button in a computer |
| US5918059A (en) * | 1997-08-15 | 1999-06-29 | Compaq Computer Corporation | Method and apparatus for responding to actuation of a power supply switch for a computing system |
| CN1787314A (en) * | 2005-11-23 | 2006-06-14 | 杭州华为三康技术有限公司 | Apparatus and method for protecting electric source |
| CN101216724A (en) * | 2007-01-04 | 2008-07-09 | 盛群半导体股份有限公司 | Modified type micro-controller resetting method |
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