CN102457392B - Baseboard management controller sharing method - Google Patents
Baseboard management controller sharing method Download PDFInfo
- Publication number
- CN102457392B CN102457392B CN201010522327.7A CN201010522327A CN102457392B CN 102457392 B CN102457392 B CN 102457392B CN 201010522327 A CN201010522327 A CN 201010522327A CN 102457392 B CN102457392 B CN 102457392B
- Authority
- CN
- China
- Prior art keywords
- node
- management controller
- baseboard management
- stitch
- interface driver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a method for sharing a baseboard management controller, suitable for a server system which includes a plurality of nodes, a concentrator and a daughter board. The nodes are connected to the baseboard management controller on the daughter board through the concentrator. In the method, the baseboard management controller receives a request instruct of one of the nodes from a user, and controls a switch on the concentrator to switch to the node which is required to switch by the request instruct, while a second output pin outputs an installation signal to a first input pin of the node which is required to switch by the request instruct. A video interface drive program is installed at the node according to the received installation signal, and after installation, an installation completion signal is passed back to a second input pin through the first output pin. When the baseboard management controller receives the installation completion signal, peripheral devices connected with the daughter board can be used at the node through the device management function of the baseboard management controller.
Description
Technical field
The invention relates to a kind of server, and particularly relevant for a kind of in server the method for common substrate Management Controller.
Background technology
Application surface with regard to server, if as data center (Data Center), each node (Node) in system all comprises video graphics array (Video Graphics Array, VGA) port, serial port (serial port), baseboard management controller (Baseboard Management Controller, the element such as BMC), virtually just increase the cost of manufacturing, and wasting the repeatability of the functional and function that element itself provides.Because in most of the time, the VGA port on node and serial port are to be all in idle state, and the function of baseboard management controller also can share.Any one unnecessary element (for example VGA port, serial port) is comprised in the product of volume production, or the element of function repeatability (for example baseboard management controller) is configured on node, the price of product will relatively increase, and competitiveness has also just declined.
If VGA port or serial port are removed on node, thus, problem in product development stage has just been come, tester is in the process of test machine, a lot of projects must with the aspectant human-computer interaction of machine, therefore VGA port or serial port are indispensable instruments in this stage, how between the necessity of product development stage and the competitiveness of product, to average out, and become the hot sweet potato of being badly in need of solution.
Summary of the invention
The invention provides a kind of method of common substrate Management Controller, by the node that the link of baseboard management controller is switched to user's selection, to utilize the device management function of baseboard management controller to operate this node.
The present invention proposes a kind of method of common substrate Management Controller, is applicable to comprise the server system of a plurality of nodes, hub and daughter board, and these nodes are connected to the baseboard management controller on daughter board by hub.The method is to receive user for the request instruction of above-mentioned one of them node of node by baseboard management controller, and control switch on hub and switch to request instruction and ask the node being switched to, and signal is installed by the second output stitch output one, to request instruction, ask first of the node that is switched to input stitch.This node installs video interface driver according to received installation signal, and after installation, by the first output stitch, returns an installation signal to the second input stitch of baseboard management controller.After baseboard management controller receives installation signal, the peripheral device that node can be used daughter board to connect by the device management function of baseboard management controller.
In one embodiment of this invention, above-mentioned step of according to installation signal, video interface driver being installed by node comprises the generic state that signal update node is installed by the controller utilization of node, and triggers a system break with the interface driver under the operating system of starter node.Then, by interface driver, check above-mentioned generic state, and call out according to this first control method with notice operating system installation video interface driver, and after installation, call out the second control method with notification controller output installation signal.
In one embodiment of this invention, after switch on aforesaid substrate Management Controller control hub switches to the step of node, more comprise that in node the connecting interface driver notice operating system corresponding to the device management function of baseboard management controller rescans the connecting interface of this node, uses with the device management function by described the peripheral device that daughter board was connected.
In one embodiment of this invention, above-mentioned, by baseboard management controller, controlled after switch switches to the step of node, more comprise being utilized by hub and draw the second input stitch and the second output stitch that draws baseboard management controller on buffer (pull-up register).
In one embodiment of this invention, after aforesaid substrate Management Controller receives the step for the request instruction of node, more comprise by baseboard management controller by the second output stitch output one remove signal to be connected with baseboard management controller at present and use baseboard management controller device management function node first input stitch.And node removes video interface driver according to removing signal thus, and by the first output stitch passback one, remove settling signal to the second input stitch of baseboard management controller after having removed.
In one embodiment of this invention, above-mentionedly by node, according to removing step that signal removes video interface driver, comprise that controller utilization by node removes signal and carrys out the more generic state of new node, and trigger a system break to start the interface driver under the operating system of this node.Then, by interface driver, check generic state, call out according to this first control method and remove video interface driver with notice operating system.After video interface driver removes, by interface driver, call out the second control method and remove settling signal with notification controller output.
In one embodiment of this invention, after switch on aforesaid substrate Management Controller control hub switches to the step of node, more comprise in node thus that the connecting interface driver notice operating system corresponding to the device management function of baseboard management controller rescans the connecting interface of node, uses to remove the peripheral device that daughter board was connected.
In one embodiment of this invention, above-mentioned daughter board comprises equipment control daughter board (Enclosure Management Board, EMB).The device management function of above-mentioned baseboard management controller comprises keyboard, video, mouse (Keyboard Video Mouse, KVM) control function.And above-mentioned linkage unit comprises video graphics array (Video Graphics Array, VGA) port, USB (Universal Serial Bus, USB) connectivity port or network connection port.
Based on above-mentioned, the server system of common substrate Management Controller of the present invention and method system are connected to daughter board by a plurality of nodes of server system by hub, and the node of selecting according to user switches the switch on hub, and before switching node, first by the specific stitch notifying section point that connects, video interface driver is installed, make this node after being connected to baseboard management controller, the peripheral device that can directly use daughter board to connect by the device management function of baseboard management controller.
Accompanying drawing explanation
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 is the server system calcspar of the common substrate Management Controller that illustrates according to first embodiment of the invention.
Fig. 2 is the universal input output stitch allocation plan of the server system 100 that illustrates according to first embodiment of the invention.
Fig. 3 is the method flow diagram of the common substrate Management Controller that illustrates according to first embodiment of the invention.
Fig. 4 is the server system calcspar of the common substrate Management Controller that illustrates according to second embodiment of the invention.
Fig. 5 is the method flow diagram of the common substrate Management Controller that illustrates according to third embodiment of the invention.
Fig. 6 is the installation method flow chart of the video interface driver that illustrates according to third embodiment of the invention.
Fig. 7 is the method flow diagram of the common substrate Management Controller that illustrates according to fourth embodiment of the invention.
Fig. 8 is the removing method flow chart of the video interface driver that illustrates according to fourth embodiment of the invention.
Main element symbol description:
100: server system
110,120,130,140: node
150,450: hub
120,460: daughter board
151,152,153,154,451,452,453,454: connectivity port
155,455: switch
156: indicator light
160,460: daughter board
161,461: linkage unit
162,462: baseboard management controller
163: control line
410,420,430,440: substrate
411,413: chipset
412,414: signal generator
415: share connectivity port
463: switch unit
464,465: with door
466: multiplexer
467: thumb-acting switch
S302～S310: the method step of the common substrate Management Controller of first embodiment of the invention
S502～S512: the method step of the common substrate Management Controller of third embodiment of the invention
S602～S608: the installation method step of the video interface driver of third embodiment of the invention
S702～S718: the method step of the common substrate Management Controller of fourth embodiment of the invention
S802～S808: the removing method step of the video interface driver of fourth embodiment of the invention
Embodiment
For implementation in limited space goes out highdensity platform, research staff be bound to the space between each element on motherboard is arranged as far as possible closely.Finally, in order to vacate more space, and reduce the production cost of unit, some can share or volume production after unnecessary element also just become the best option that can be removed.With data center, (the Video Graphics Array of video graphics array on motherboard, VGA) port, serial port (Serial port) inessential, and baseboard management controller (Baseboard Management Controller, BMC) also can share one, moreover baseboard management controller now all includes vga controller and network function, therefore as long as whole system has the application of the corresponding data center of a baseboard management controller just enough.
The first embodiment
Fig. 1 is the server system calcspar of the common substrate Management Controller that illustrates according to first embodiment of the invention.Please refer to Fig. 1, the server system 100 of the present embodiment comprises four nodes 110,120,130 and 140, and hub 150 and daughter board 160, and its function is described below:
Node 110,120,130 and 140 is respectively an independently computer system, it comprises CPU (the Central Processing Unit being configured on substrate, CPU), the computer components such as memory, north bridge chips, South Bridge chip, network chip, and can be in order to as data center.
Hub 150 is for example an intermediate plate (middle plane), it has connectivity port 151,152,153,154 and switch 155, wherein connectivity port 151,152,153,154 is connected with a plurality of stitch of node 110,120,130 and 140 respectively, switch 155 is connected to respectively connectivity port 151,152,153,154, to switch between these connectivity ports.In the present embodiment, the stitch that each node is connected with connectivity port comprises that 11 first connect stitch (CON1), 1 the first input stitch and 1 first output stitch, this the first input stitch is for example universal input (General Purpose Input, GPI) stitch (being GPI1), and the first output stitch is for example general output (General Purpose Output, GPO) stitch (being GPO1), but be not limited to this.
Daughter board 160 is for example equipment control daughter board (Enclosure Management Board, EMB), has configured linkage unit 161 and baseboard management controller 162 on it.Wherein, linkage unit 161 is for example a VGA connectivity port, USB (Universal Serial Bus, USB) connectivity port, and can be in order to be connected to the peripheral devices (not illustrating) such as display, keyboard, mouse, storage.Linkage unit 161 can be also a network connection port, and can be in order to be connected to far end device.
Baseboard management controller 162 is for example the peripheral equipment receiver that connects by above-mentioned linkage unit 161 by user for the request instruction of above-mentioned node (more particularly, lower IPMI OEM order to baseboard management controller 162 requires it to switch to certain node), by control line 163, by controlling stitch A, send the stitch A that controls signal to switch 155 according to this, and control switch 155, switch the connectivity port connecting, and ask the node using to be connected to baseboard management controller 162 request instruction, the peripheral device that makes this node to use daughter board 120 to connect by the device management function of baseboard management controller 162.The device management function of described baseboard management controller 162 is for example the control function of keyboard, video, mouse (Keyboard Video Mouse, KVM), but is not limited to this.
For instance, if user wants to watch test pictures and the operation of node 120, can utilize mouse to select node 120 and lower IPMI OEM order to baseboard management controller 162 requires it to switch to node 120, the node 120 that now baseboard management controller 162 can be selected according to user, by controlling stitch A and transmitting control signal via control line 163, to control switch 155, switch to the connectivity port 112 being connected with node 120, make node 120 to be connected to baseboard management controller 162 via connectivity port 112, and the display that can use daughter board 120 to connect by the device management function of baseboard management controller 162, keyboard, mouse, storage device, allow user watch the test pictures of node 120 and to use keyboard, mouse action node 120, moreover node 120 can be started shooting or store with storage device.
It should be noted that, in order to realize hot plug (Hot plug) function between each node and baseboard management controller 162, the present embodiment configures corresponding to a plurality of second of the first connection stitch (CON1) of each node and connects stitch (CON2), corresponding to second of the first input stitch (GPI1), exports stitch (GPO2) and input stitch (GPI2) corresponding to second of the first output stitch (GPO1) on baseboard management controller 162, and in order to connect switch, and be connected with each node by switch.
In detail, Fig. 2 is the universal input output stitch allocation plan of the server system 100 that illustrates according to first embodiment of the invention.Please refer to Fig. 2, the baseboard management controller 162 of the present embodiment is installed signal to the first input stitch (GPI1) of the node that will be switched to by the second output stitch (GPO2) output, with notice node installation video interface driver, and the installation signal of the video interface driver returning by the first output stitch (GPO1) by the second input stitch (GPI2) receiving node, and by controlling stitch A, control the connectivity port that switch 155 switchings connect according to this, with connected node.Wherein, indicator light 156 is to light after node completes the installation of video interface driver, to point out the current node of user connection substrate Management Controller 162, and can use the device management function of baseboard management controller 162.
For above-mentioned server system 100, the present invention also provides corresponding method of operation, suitably to distribute the device management function of baseboard management controller 162 to give each node, uses.Fig. 3 is the method flow diagram of the common substrate Management Controller that illustrates according to first embodiment of the invention.Please refer to Fig. 3, the method for the present embodiment is applicable to the server system 100 of Fig. 1, below the detailed step of the method is described with each element in Fig. 1:
First, by the baseboard management controller 162 on daughter board 120, receive user for the request instruction (step S302) of node 110,120,130 and 140 one of them node.Wherein, it is for example that the thumb-acting switch (DIP switch) of being stirred on daughter board 160 by user is selected or from far-end, assigns baseboard management controller instruction and select that request instruction is asked the node using, and at this, does not limit.
According to above-mentioned request instruction, baseboard management controller 162 is controlled immediately switch 155 on hub 150 and is switched to request instruction and ask the node (step S304) being switched to, and by the second output stitch (GPO2) output one, signal is installed and to request instruction, is asked first of the node that is switched to input stitch (GPI1) (step S306).
It should be noted that, high-speed peripheral device element interconnection (the Peripheral Component Interconnect Express using due to Video Controller, PCIE) interface itself is not supported hot plug, must extra support can there is warm connection function, if directly baseboard management controller 162 is switched to node, node also cannot drive video-unit by the video capability of baseboard management controller 162.On the other hand, for example, if directly will be connected cut-outs (switching to other nodes) between baseboard management controller 162 and node, this node can, because video capability be interrupted suddenly, and cause system crash or work as the situation of machine.Therefore, the present embodiment when baseboard management controller 162 receives handover request, notify the node that has at present the node of baseboard management controller 162 and will be switched to prepare in advance.
According to above-mentioned concept, the node of the present embodiment is after receiving installation signal, start to install video interface driver, and after installation, the second input stitch (GPI2) (step S308) by installation signal of the first output stitch (GPO1) passback to baseboard management controller 162.
When baseboard management controller 162 receives installation signal, the peripheral device (step S310) that node can be used daughter board 160 to connect by the device management function of baseboard management controller 162.Wherein, because node has completed the installation of video interface driver, so the video-unit (for example display) that can use daughter board 160 to connect by the video capability of baseboard management controller 162, and realize warm connection function.
It is worth mentioning that, for USB (Universal Serial Bus, the coffret such as USB), it can direct control hot plug, even if by the switching that is connected between node and baseboard management controller 162, only can cause the Transmission of data, and can not affect the System Operation of node.Therefore, the present embodiment, not for these interfaces install driver in advance, is only known those skilled in the art and also can, according to actual needs, the driver of other interfaces be installed in advance with reference to the mode of above-mentioned installation video interface driver.
Server system 100 frameworks and method of operation thereof by above-described embodiment, user can pass through network, baseboard management controller 162 at the User's Interface of local side and distal displayed node 110,120,130,140, and can use the keyboard, mouse, storage device of local side and far-end so that node 110,120,130,140 is safeguarded and to be controlled.
The second embodiment
Fig. 4 is the server system calcspar of the common substrate Management Controller that illustrates according to second embodiment of the invention.Please refer to Fig. 3, the server system 400 of the present embodiment comprises substrate 410,420,430,440, and hub 450 and daughter board 460, and its function is described below:
On substrate 410,420,430,440, configure respectively two nodes and a shared connectivity port, on substrate 410, be for example configuration node 1, node 2 and shared connectivity port 415, and node 1 comprises chipset 411 and signal generator 412,2 of nodes comprise chipset 413 and signal generator 414.Wherein, the chipset 411 of node 1 has two the first USB port stitch (USB port1), two the second USB port stitch (USB port2), four high-speed peripheral device element interconnection (Peripheral Component Interconnect Express, PCIE) port stitch (PCIE port) and two the first universal input output stitch (GPI1/GPO1), the signal generator 412 of node 1 has a USB clock pulse stitch (USB clk) and two PCIE clock pulse stitch (PCIE clk).These stitch are connected to respectively the shared connectivity port 415 on substrate 410.In like manner, the chipset 413 of node 2 and the stitch on signal generator 414 are also connected to common connection end mouth 415, and the kind of this stitch and number are identical with chipset 411 and signal generator 412, do not repeat them here.
Hub 450 has four connectivity ports 451,452,453,454 and switch 455, wherein connectivity port 451,452,453,454 connects with shared connectivity port (Fig. 3 only shows and shares connectivity port 415) corresponding on substrate 410,420,430,440 respectively, and wherein each shared connectivity port is connected with connectivity port by the connecting line (cable) that comprises 26 stitch.In addition, switch 455 is connected with connectivity port 451,452,453,454 by two groups of wiring (every group comprises 13 wiring) respectively, to switch between these connectivity ports.
Daughter board 460 is for example equipment control daughter board, has configured linkage unit 461, baseboard management controller 462 and switch unit 463 on it.Wherein, linkage unit 461 is for example VGA port, network connection port or a usb connecting port, and can be in order to be connected to the peripheral devices (not illustrating) such as display, keyboard, mouse, storage.
Baseboard management controller 462 is for example the peripheral equipment receiver that connects by above-mentioned linkage unit 461 by user for the request instruction of above-mentioned node (more particularly, lower IPMI OEM order to baseboard management controller 462 requires it to switch to certain node), control according to this switch 455 and switch connectivity port, request instruction is asked the node using be connected to baseboard management controller 462, the peripheral device that makes this node to use daughter board 460 to connect by the device management function of baseboard management controller 462.The device management function of described baseboard management controller 462 is for example the control function of keyboard, video, mouse, storage, but is not limited to this.
Corresponding to each node, be connected to 13 stitch of hub 450, baseboard management controller 462 is also connected with the switch 455 of hub 450 by 13 stitch, with the switching by switch 455, be connected to node, these stitch are sequentially from left to right a USB clock pulse stitch (USB clk), two the first USB port stitch (USB1), two the second USB port stitch (USB2), four PCIE port stitch (PCIE), two PCIE clock pulse stitch (PCIE clk) and two universal input output stitch (GPI2/GPO2) in Fig. 3.Wherein, the first USB port stitch (USB1) is in order to as storage device; The second USB port stitch (USB2) is in order to as keyboard, mouse apparatus; PCIE port stitch (PCIE) is in order to as VGA control device; Universal input stitch (GPI2) is the general output stitch (GPO1) in order to connected node; General output stitch (GPO2) is the universal input stitch (GPI1) in order to connected node.
It should be noted that, baseboard management controller 462 also comprises by stitch A, B, C, D, E and being connected with switch unit 463, with according to the request instruction being received, output control signals to switch unit 463, and control switch 455 by switch unit 463, switch connectivity port.Wherein, switch unit 463 is for example to form with door (AND gate) 464,465, multiplexer 466 and 467 of thumb-acting switch (DIP switch) by two.Switch unit 463 more comprises control stitch A, the B that is coupled to switch 455, and can ask according to request instruction the use state of the node of use and the device management function of baseboard management controller 462, send a control signal to control stitch A, the B of switch 455, to control switch 455, switch connectivity port.
In detail, the signal of the stitch A of baseboard management controller 462 output is the signal of stitch B output or the signal of the stitch A of choice for use thumb-acting switch 467 output in order to choice for use baseboard management controller 462.For example, the signal of the stitch A of baseboard management controller 462 output is 0 o'clock, represents the signal of the stitch A output of choice for use thumb-acting switch 467; If, represent the signal of the stitch B output of choice for use baseboard management controller 462 at 1 o'clock.
The signal of stitch B output represents the code of the node of baseboard management controller 462 selected switchings, it is for example by the signal of three stitch outputs 0 and 1, with difference representation node 1～8, the interstitial content that so number of this stitch can connect according to system is determined, and is not limited to this.
Stitch C represents whether the device management function of baseboard management controller 462 is released, the signal that for example stitch C exports is that the device management function of 0 interval scale baseboard management controller 462 is released, therefore does not need to isolate the link between node and baseboard management controller 462; If 1 Shi Ze represents the device management function of baseboard management controller 462 and is not released, therefore need to isolate the link between node and baseboard management controller 462.
In addition, stitch A, the B of thumb-acting switch 467 is coupled to respectively stitch D, the E of baseboard management controller 462, and the function of the stitch B of thumb-acting switch 467 is to use the stitch A of thumb-acting switch 467 to remove to select node in order to select to force, or the node of choice for use baseboard management controller 462 selections.For example, when the stitch B of thumb-acting switch 467 transmits signal 0 to the stitch E of baseboard management controller 462, inform that baseboard management controller 462 selections force the stitch A of use thumb-acting switch 467 to remove to select node, the stitch A of thumb-acting switch 467 can send a signal to the stitch D of baseboard management controller 462, to inform baseboard management controller 462 its selected nodes.
On the other hand, when transmitting signal 1, the stitch B of thumb-acting switch 467 to the stitch E Shi Ze of baseboard management controller 462, represents the node of the stitch A selection of choice for use baseboard management controller 462.Now, when the signal of the stitch A of baseboard management controller 462 is 0, the stitch A of choice for use thumb-acting switch 467 removes to select node; When the signal of the stitch A of baseboard management controller 462 is 1, according to the signal of the stitch B output of baseboard management controller 462, remove to select node.
It is worth mentioning that, baseboard management controller 462 also comprises by stitch F and being connected with the stitch C of switch 455, this stitch F is in order to the signal of the stitch A of breech lock (Latch) switch 455, and when its signal changes 1 into by 0, just remove the breech lock to the signal of the stitch A of switch 455, to do the switching of node.
For instance, when exporting 0 signal, the stitch C of baseboard management controller 462 represents that the device management function of baseboard management controller 462 is released, and when the stitch B of thumb-acting switch 467 also exports 0 signal, can export 0 signal to the control stitch B of switch 455, to remove the isolation between node and baseboard management controller 462 with door 465.Now, multiplexer 466 can be according to the signal of the stitch A output of thumb-acting switch 467, selection exports the signal of the stitch B of baseboard management controller 462 to the control stitch A of switch 455, switches to the connectivity port corresponding to stitch B institute output signal of baseboard management controller 462 to control switch 455.Finally, by baseboard management controller 462, by 0, change the signal of its stitch F into 1, to remove the breech lock to the signal of the stitch A of switch 455, and the switching of XM.
For above-mentioned server system 400, the present invention also provides corresponding method of operation to switch the node that baseboard management controller 462 connects, and suitably to distribute the device management function of baseboard management controller 462 to give each node, uses.Wherein, switch 455 comprises two kinds of situations when carrying out switching, be the situation for the device management function of baseboard management controller 462 of using without any node at present, a kind of is to have at present the situation that node is used the device management function of baseboard management controller 462.With next, for an embodiment, describe in detail respectively.
The 3rd embodiment
The method of the present embodiment is to be applied in without any node to use in the situation of device management function of baseboard management controller 462.Fig. 5 is the method flow diagram of the common substrate Management Controller that illustrates according to third embodiment of the invention.Please refer to Fig. 4, the method for the present embodiment is applicable to the server system 400 of Fig. 4, below the detailed step of the method is described with each element in Fig. 4:
First, by the baseboard management controller 462 on daughter board 460, receive user for the request instruction (step S502) of node 1～8 one of them node, and control switch 455 on hub 450 and switch to request instruction and ask the node (step S504) being switched to, and signal is installed by the second output stitch (GPO2) output one, to request instruction, ask first of the node that is switched to input stitch (GPI1) (step S506).
Node is after receiving installation signal, trigger a system break, with notice operating system, carry out the installation action (step S508) of video interface driver, and after installation, the second input stitch (GPI2) (step S510) by the first output stitch (GPO1) passback one installation signal to baseboard management controller 462.Wherein, described system break is for example that system is controlled interruption (System Control Interrupt, SCI), at this, does not limit.
In detail, Fig. 6 is the installation method flow chart of the video interface driver that illustrates according to third embodiment of the invention.Please refer to Fig. 6, the present embodiment is to receive when signal is installed at node, utilizes this that signal is installed carry out the more generic state of new node (step S602) by the controller of node.Described controller is for example the chipset (chipset) on substrate, and described installation signal is for example the generic state stitch transmitting on chipset so far, whereby the generic state of new node (being for example updated to 0) more.
Then, controller triggers a system break, with the interface driver under the operating system of starter node (step S604).This interface driver is for example advanced framework power interface (Advanced Configuration and Power Interface, ACPI) driver, advanced framework power interface form (ACPI table) being provided by operating system is provided for it, to call out multiple different control method, to notify operating system to carry out the corresponding actions such as power management.
Then, by interface driver, check generic state, and call out according to this first control method, to notify operating system installation video interface driver (step S606).The first described control method is for example by advanced framework power interface machine language (ACPI Machine Language, AML) advising process that code is write as, and call out after this advising process when interface driver, can transmit and notify first to operating system, to require operating system installation video interface driver.
In operating system, complete after the installation of video interface driver, interface driver is then called out the second control method, with notification controller output installation signal (step S608), make baseboard management controller 462 according to this installation signal, to carry out next step.This second control method is also for example an advising process of being write as by AML code.
Get back to the step S510 of Fig. 5, when baseboard management controller 462 receives the installation signal of being exported by node, the peripheral device (step S512) that this node can be used daughter board 460 to connect by the device management function of baseboard management controller 462.
It should be noted that, after baseboard management controller 462 receives the installation signal of being exported by node, the present embodiment also comprises in node the connecting interface (not illustrating) that for example, rescans node corresponding to connecting interface driver (USB driver) the notice operating system of the device management function of baseboard management controller 462, with the peripheral device that uses daughter board 460 to be connected by device management function.In addition, the present embodiment also comprises and on one that utilizes on hub 450, draws buffer (pull-up register) (not illustrating), by drawing on the signal of the second input stitch (GPI2) of baseboard management controller 462 and the second output stitch (GPO2), is 1.
By said method, the server system 400 of the present embodiment can be realized a plurality of nodes and share a baseboard management controller, and the warm connection function of support substrate Management Controller, the peripheral device that makes this node to use daughter board to connect by the device management function of baseboard management controller, and provide user to operate this node.
The 4th embodiment
The method of the present embodiment is to be applied in the device management function of being used at present baseboard management controller 462 by node m, and need be switched to by node m the situation of node n.Fig. 7 is the method flow diagram of the common substrate Management Controller that illustrates according to fourth embodiment of the invention.Please refer to Fig. 4, the method for the present embodiment is applicable to the server system 400 of Fig. 4, below the detailed step of the method is described with each element in Fig. 4:
First, by the baseboard management controller 462 on daughter board 460, receive user for the request instruction (step S702) of node n.Now, baseboard management controller 462 will remove signal to the first input stitch (GPI1) (step S704) of the node m being connected with baseboard management controller 462 at present by the second output stitch (GPO2) output one.
Now, node m is by triggering a system break, with notice operating system, carry out the removing action (step S706) of video interface driver, and after having removed, by its first output stitch (GPO1) passback one, remove settling signal to the second input stitch (GPI2) (step S708) of baseboard management controller 462, with notify baseboard management controller 462 its removed video interface driver.
In detail, Fig. 8 is the removing method flow chart of the video interface driver that illustrates according to fourth embodiment of the invention.Please refer to Fig. 8, the present embodiment is to receive while removing signal at node m, utilizes this to remove signal carry out the more generic state of new node m (step S802) by the controller of node m.Described controller is for example a chipset on substrate, and the described signal that removes is for example the generic state stitch transmitting on chipset so far, whereby the generic state of new node m (being for example updated to 1) more.
Then, controller triggers a system break, with the interface driver under the operating system of starter node m (step S804).This interface driver is for example the driver of advanced framework power interface.
Then, by interface driver, check generic state, and call out according to this first control method, to notify operating system to remove video interface driver (step S806).The first described control method is for example an advising process of being write as by AML code, and calls out after this advising process when interface driver, can transmit and notify first to operating system, to require operating system to remove video interface driver.
In operating system, complete after removing of video interface driver, interface driver is then called out the second control method, with notification controller output, remove settling signal (step S808), make baseboard management controller 462 according to this installation signal, to carry out next step.The second described control method is also for example the advising process of being write as by AML code.
Get back to the step S708 of Fig. 7, when baseboard management controller 462 notice node m remove video interface driver, also comprise that the switch 455 of controlling on hub 450 switches to node n (step S710), and by the second output stitch (GPO2) output one, signal is installed and to request instruction, is asked first of the node that is switched to input stitch (GPI1) (step S712).
Node is after receiving this installation signal, automatically perform the installation action (step S714) of video interface driver, and after installation, the second input stitch (GPI2) (step S716) by the first output stitch (GPO1) passback one installation signal to baseboard management controller 462.Wherein, node is after receiving installation signal, for example by triggering a system break, with notice operating system, carry out the installation action of video interface driver, and the installation action of video interface driver described in its detailed step and the 3rd embodiment is same or similar, therefore do not repeat them here.
Finally, when baseboard management controller 462 receives the installation signal of being exported by node n, the peripheral device (step S718) that node n can be used daughter board 460 to connect by the device management function of baseboard management controller 462.
It should be noted that, because of USB interface, it is hot-swappable interface, therefore after node m passback removes settling signal, the connecting interface that for example can notify the operating system of node m to rescan node m corresponding to the connecting interface driver of the device management function of baseboard management controller 462 in node m, with the peripheral device that uses daughter board 460 to be connected by device management function.In addition, after node n passback installation signal, also the connecting interface that can notify the operating system of node n to rescan node n corresponding to the connecting interface driver of the device management function of baseboard management controller 462 in node n, with the peripheral device that uses daughter board 460 to be connected by device management function.Moreover the present embodiment also comprises and draws buffer (not illustrating) on one that utilizes on hub 450, is 1 by drawing on the signal of the second input stitch (GPI2) of baseboard management controller 462 and the second output stitch (GPO2).
By said method, the server system 400 of the present embodiment can be realized a plurality of nodes and share a baseboard management controller, and the warm connection function of support substrate Management Controller, make can freely switch with the device management function by baseboard management controller and use the peripheral device that daughter board was connected between node, and provide user between node, to switch to operate at any time.
In sum, the server system of common substrate Management Controller of the present invention and method are by a shared baseboard management controller, reach the control function that all nodes all have keyboard, video, mouse (KVM), and reduce the production cost of server system.In addition, before the device management function at node use baseboard management controller, prenotice node installation or remove video interface driver, user can be provided the elasticity of switching node to operate at any time.
Although the present invention discloses as above with preferred embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little modification and perfect, so protection scope of the present invention is worked as with being as the criterion that claims were defined.
Claims (6)
1. a method for common substrate Management Controller, is applicable to comprise a server system of a plurality of nodes, a hub and a daughter board, and described node is connected to the baseboard management controller on this daughter board by this hub, and the method comprises the following steps:
This baseboard management controller receives for one of them a request instruction of described node;
This baseboard management controller is controlled a switch on this hub and is switched to this request instruction and ask this node being switched to;
This baseboard management controller is installed signal by one second output stitch output one asks one first of this node of being switched to input stitch to this request instruction;
This request instruction asks this node being switched to, according to this installation signal, one video interface driver is installed, and after installation, by one first output stitch, returns an installation signal to one second input stitch of this baseboard management controller; And
At least one peripheral device that this node that this request instruction asks to be switched to is used this daughter board to connect by a device management function of this baseboard management controller;
The step that this node that wherein this request instruction asks to be switched to is installed this video interface driver according to this installation signal comprises:
This request instruction asks a controller of this node of being switched to utilize a generic state of this this node of installation signal update;
This controller triggers a system break and to start this request instruction, is asked the interface driver under an operating system of this node of being switched to;
This interface driver checks this generic state, and calls out according to this one first control method to notify this operating system installation this video interface driver; And
After this video interface driver installation, by this interface driver, call out one second control method to notify this controller to export this installation signal.
2. the method for common substrate Management Controller as claimed in claim 1, it is characterized in that, at this request instruction, ask this node of being switched to by a device management function of this baseboard management controller, to use the step of at least one peripheral device that this daughter board connects, more comprise:
A connecting interface of notifying this operating system to rescan this node corresponding to a connecting interface driver of this device management function of this baseboard management controller in this node, with this at least one peripheral device that uses this daughter board to be connected by this device management function.
3. the method for common substrate Management Controller as claimed in claim 1, is characterized in that, controls this switch on this hub switch to after this request instruction asks the step of this node of being switched at this baseboard management controller, more comprises:
This hub utilizes and on one, draws this second input stitch and this second output stitch that draws this baseboard management controller on buffer.
4. the method for common substrate Management Controller as claimed in claim 1, is characterized in that, after this baseboard management controller receives for one of them the step of this request instruction of described node, more comprises:
This baseboard management controller removes signal to the first input stitch of the node being connected with this baseboard management controller at present by this second output stitch output one; And
This node removes signal according to this and removes this video interface driver, and after having removed, by this first output stitch passback one, removes settling signal to this second input stitch of this baseboard management controller.
5. the method for common substrate Management Controller as claimed in claim 4, is characterized in that, this request instruction asks this node of being switched to remove according to this step that signal removes this video interface driver to comprise:
This request instruction asks a controller of this node of being switched to utilize this to remove the generic state that this request instruction of signal update is asked this node of being switched to;
This controller triggers a system break and to start this request instruction, is asked the interface driver under an operating system of this node of being switched to;
This interface driver checks this generic state, and calls out according to this this first control method to notify this operating system to remove this video interface driver; And
After this video interface driver removes, by this interface driver, call out this second control method and remove settling signal to notify this controller to export this.
6. the method for common substrate Management Controller as claimed in claim 5, it is characterized in that, at this request instruction, ask this node of being switched to by a device management function of this baseboard management controller, to use the step of at least one peripheral device that this daughter board connects, more comprise:
A connecting interface of notifying this operating system to rescan this node corresponding to a connecting interface driver of this device management function of this baseboard management controller in this node, is used to remove this at least one peripheral device that this daughter board was connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522327.7A CN102457392B (en) | 2010-10-18 | 2010-10-18 | Baseboard management controller sharing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010522327.7A CN102457392B (en) | 2010-10-18 | 2010-10-18 | Baseboard management controller sharing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102457392A CN102457392A (en) | 2012-05-16 |
| CN102457392B true CN102457392B (en) | 2014-11-05 |
Family
ID=46040096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010522327.7A Active CN102457392B (en) | 2010-10-18 | 2010-10-18 | Baseboard management controller sharing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102457392B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9934187B2 (en) * | 2014-12-17 | 2018-04-03 | Quanta Computer Inc. | Hot-pluggable computing system |
| CN205384554U (en) * | 2015-07-22 | 2016-07-13 | 加弘科技咨询(上海)有限公司 | Electronic device |
| CN105868133B (en) * | 2016-04-29 | 2018-07-24 | 中国人民解放军国防科学技术大学 | A kind of serial ports remote centralized management method for more node mainboards |
| US10531592B1 (en) * | 2018-07-19 | 2020-01-07 | Quanta Computer Inc. | Smart rack architecture for diskless computer system |
| CN113645067A (en) * | 2021-08-03 | 2021-11-12 | 加弘科技咨询(上海)有限公司 | Network management system and method of multi-node substrate management controller |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308872C (en) * | 2003-04-18 | 2007-04-04 | 英业达股份有限公司 | Switchover system of outgut input element use right and method |
| US8023434B2 (en) * | 2007-09-18 | 2011-09-20 | International Business Machines Corporation | Arrangements for auto-merging and auto-partitioning processing components |
| CN201111932Y (en) * | 2007-10-17 | 2008-09-10 | 英业达股份有限公司 | Internal storage choosing device |
-
2010
- 2010-10-18 CN CN201010522327.7A patent/CN102457392B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102457392A (en) | 2012-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102446154B (en) | Server system and method for sharing baseboard management controller | |
| US8275599B2 (en) | Embedded bus emulation | |
| US8756360B1 (en) | PCI-E compatible chassis having multi-host capability | |
| US20090234998A1 (en) | Connection system | |
| US7979610B2 (en) | Remotely controllable switch and testing methods using same | |
| US8832347B2 (en) | Automatic detection device, system and method for inter-integrated circuit and serial general purpose input/output | |
| CN102457392B (en) | Baseboard management controller sharing method | |
| US11199890B2 (en) | Peripheral device expansion card system | |
| JP3091500U (en) | Switching device that can share keyboard, display and mouse | |
| JP2005018135A (en) | Kvm switching unit and kvm switching method | |
| TWI417739B (en) | Server system and mehtod for using shared baseboard management controller | |
| CN109697179B (en) | Hardware resource expansion system and hot plug management device | |
| TWI432972B (en) | Server system and mehtod for using shared baseboard management controller | |
| CN110162287B (en) | Method and device for realizing VGA display of PCIE Box | |
| CN102122238A (en) | Computer management system and method | |
| WO2023016379A1 (en) | Computer system, control method based on pcie device, and related device | |
| CN115914873A (en) | Testing device and testing method of multi-node management board | |
| CN213365381U (en) | Main board | |
| CN100447714C (en) | Online switching interfaces of peripheral devices in multitask mode computer | |
| CN102810054A (en) | Display device and control method thereof | |
| CN206741445U (en) | A kind of production domesticization thin client system with KVM functions | |
| TW578084B (en) | Multi-computer switcher | |
| CN111669301A (en) | Auxiliary communication device for testing embedded equipment | |
| CN103795583A (en) | Testing device | |
| CN114721900B (en) | Connection relation establishing method, mainboard, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191031 Address after: No. 592, Xingwang Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Anhui love love Electromechanical Technology Co., Ltd. Address before: Taipei City, Taiwan Chinese Shilin District Hougang Street No. 66 Patentee before: Yingda Co., Ltd. |
|
| TR01 | Transfer of patent right |