14 results about "SGPIO" patented technology

The SGPIO multi-path expansion circuit provided by the embodiment of the utility model comprises a mainboard management controller BMC and at least two complex programmable logic devices CPLDs connected with the BMC in series, each CPLD comprises an SGPIO slave node Slave and a first multiplexer MUX connected with the SGPIO slave node Slave, an output interface of the BMC is connected with the SGPIO slave node Slave in each CPLD, and an output interface of the BMC is connected with the first multiplexer MUX. Different SGPIO Slaves are configured to analyze signals of preset storage space digits in first signals transmitted by the output interface of the BMC. According to the technical scheme, the SGPIO Slave in the CPLD receives the signals transmitted by the output interface of the BMC, then the SGPIO Slave only analyzes the signals with the preset storage space bits in the first signals, and then the unanalyzed signal data is transmitted to the next CPLD to be analyzed, so that logic resources consumed by the CPLD are reduced, and the real-time performance of data transmission is improved.

This application provides a hard drive status light control system and method for a hard drive backplane, belonging to the field of hard drive hardware management technology. The system provided includes a main hard drive backplane and cascaded hard drive backplanes. The main hard drive backplane is equipped with a SAS expander, a CPLD, and a cascade connector. The cascaded hard drive backplanes are connected to the main hard drive backplane via the cascade connector. The SGPIO of the SAS expander is connected to the input of the CPLD, receiving the SGPIO bitstream signal output from the SAS expander, reconstructing the SGPIO bitstream signal, and sending the reconstructed SGPIO bitstream signal to the cascaded hard drive backplanes. The cascaded hard drive backplanes parse the reconstructed SGPIO bitstream signal and drive the hard drive status lights to indicate the hard drive status based on the parsed SGPIO bitstream signal. The hard drive status light control system and method for a hard drive backplane provided in this application enable the reuse of existing hard drive backplane hardware and firmware, reducing maintenance costs.

The application discloses a liquid-cooled hard disk backboard debugging jig, a debugging system and a debugging method thereof, and comprises the following steps: when the to-be-debugged mode of a to-be-tested backboard is an SGPIO mode, a first CPLD module is used for generating a first analog signal and an SGPIO signal for controlling an indication module; when the to-be-debugged mode is a Legacy VPP or NPEM mode, the first CPLD module is used for reading a target I2C address of the to-be-tested backboard, generating a second analog signal, receiving an interrupt signal sent by a second CPLD module, and generating an I2C signal for controlling the indication module, so that the function debugging of the firmware of the to-be-tested backboard can be realized before the to-be-tested backboard and a mainboard are assembled and put into cooling liquid, the SGPIO, Legacy VPP and NPEM modes are simultaneously supported, and the problem of the assembled backboard is avoided, and the production efficiency is improved.

The invention provides a control method, device and equipment based on enhanced SGPIO, and belongs to the field of data processing, the control method, device and equipment are applied to a backboard controller of a server, the server further comprises a plurality of intelligent backboards, the backboard controller is in communication connection with the intelligent backboards, and the intelligent backboards are in communication connection with the backboard controller. The method comprises the following steps: acquiring first multi-modal data from the plurality of intelligent backboards through an enhanced serial general purpose input / output SGPIO (Serial General Purpose Input / Output); generating a control instruction according to the first multi-modal data, and generating second multi-modal data corresponding to the control instruction; and sending the second multi-mode data to the plurality of intelligent backboards through the enhanced SGPIO. The centralized and data-driven management and control capability of a plurality of intelligent backboards can be effectively improved, and support is provided for stable and efficient operation of a server storage system.

The application provides a control method, device and equipment based on enhanced SGPIO, belongs to the field of data processing, is applied to a backboard controller of a server, the server further comprises a plurality of intelligent backboards, the backboard controller is in communication connection with the plurality of intelligent backboards, and the method comprises the following steps: acquiring first multi-modal data from the plurality of intelligent backboards through an enhanced serial general-purpose input / output (SGPIO); generating a control instruction according to the first multi-modal data, and generating second multi-modal data corresponding to the control instruction; and sending the second multi-modal data to the plurality of intelligent backboards through the enhanced SGPIO. The centralized, data-driven management and control capability for the plurality of intelligent backboards can be effectively improved, and support is provided for stable and efficient operation of a server storage system.

The invention discloses an SGPIO (Serial General Purpose Input / Output) unified coding method, system and device, and the method is characterized in that the method comprises the steps: powering on a server host, and completing the initialization of a CPLD (Complex Programmable Logic Device) and an SATA / SAS controller; a register and a counter are established, and an SGPIO input Data buffer register, an output Data buffer register and a Clock counter of the SGPIO are established in the CPLD; data frame bit length calculation: the CPLD waits for receiving the SGPIO signal, and calculates the bit length of the input data frame after receiving the input SGPIO signal; whether the bit length of a data frame is equal to 12 bits or not is judged, if the length of the data frame is 12 bits, Clock, Load and Data signals of input SGPIO are directly transmitted to an output IO pin in a transparent mode, and the SGPIO signals of an output interface are completely equal to the SGPIO signals input by the CPLD; and if the data frame length is greater than 12 bits, the signal is processed, so that the SGPIO data of the output port is unified into 12-bit data. By unifying the SGPIO data of the output port into 12 bits, the problem that the bit lengths of SGPIO signals of different devices or interfaces are inconsistent is effectively solved, and the compatibility and standardization degree of the system are remarkably improved.

A system and method of transmitting signals are provided. The method includes: acquiring a Virtual Pin Port (VPP) lighting signal and a Serial General Purpose Input / Output (SGPIO) lighting signal by a server motherboard, a hard disk backplane being deployed with a target logic device and a set of hard disk slots; and scheduling and switching the VPP lighting signal and the SGPIO lighting signal in an orderly time-division way by using a preset time-division multiplexing manner, so as to transmit the VPP lighting signal and the SGPIO lighting signal to the target logic device through a same lighting cable.

The invention provides a lighting control method of a hard disk, a mainboard, a server and a medium. According to the embodiment of the invention, the SGPIO lighting signals at the mainboard end are uniformly converted into the first format which is the same as that of the RAID card, each new lighting signal is ensured to completely contain the data segment of the hard disk controlled by the corresponding SlimSAS interface, the data source judgment or format conversion does not need to be carried out when the backboard is analyzed, the analysis mode is simplified, and the analysis efficiency is improved. Therefore, the universality of the backboard is improved.

This invention provides a fully randomized testing method, apparatus, device, medium, and product for an SGPIO master module. The method involves simultaneously transmitting the SGPIO master module's configuration object to the APB driver component, the SGPIO driver component, and the SGPIO sampling component. If the APB bus write transaction is an SGPIO control register configuration transaction, the parallel write data from the APB bus is parsed to obtain configuration information. The configuration object of the SGPIO master module is modified according to the configuration information, enabling the SGPIO driver component or the SGPIO sampling component to promptly change the protocol mode. Multiple reference models for interrupt states are instantiated in the basic test class. In the test case component, the reference model is selected using an override mechanism based on the currently verified interrupt triggering method. By comparing the expected value and the actual value of the interrupt status register, fully randomized verification of the SGPIO master module's interrupt status register value can be achieved. This invention improves the comprehensiveness and effectiveness of SGPIO master module testing.

The application relates to a hard disk lamp state control method and device, computer equipment and a storage medium. The method comprises the following steps: a first programmable logic device receives an SGPIO signal, the SGPIO signal comprising control data corresponding to each hard disk lamp; the first programmable logic device groups the SGPIO signal according to a preset bit number; and the first programmable logic device sends the SGPIO signal corresponding to each group to a second programmable logic device, so that the second programmable logic device decodes the SGPIO signal corresponding to each group and controls the state of each hard disk lamp according to the control data obtained after decoding. The method can uniformly convert the received SGPIO signal into a signal with a fixed bit number, which facilitates the second programmable logic device to decode in only one mode.

The invention discloses a CPLD-based server hard disk backboard indicating lamp false alarm suppression method and device, and the method comprises the steps: monitoring a lighting signal transmitted by an RAID card through an SGPIO interface in the restarting process of a server, the lighting signal comprising a control signal and a data signal; when the control signal and the data signal are high levels at the same time and lasts for a preset time, locking the server hard disk backboard indicating lamp to be in an off state through the CPLD; and when any one of the control signal and the data signal is at a low level, analyzing a lighting signal sent by the SGPIO interface through the CPLD to obtain an LED lighting signal, and controlling the on-off state of the server hard disk backboard indicator lamp based on the LED lighting signal. A locking and dynamic control mode is adopted according to the level states of the control signal and the data signal, accurate control over the state of the indicator lamp of the server hard disk backboard is achieved, the display accuracy of the indicator lamp in the restarting process of the server is improved, and a user can accurately judge and monitor the working state of the server hard disk backboard conveniently.

A system and method of transmitting signals are provided. The method includes: acquiring a Virtual Pin Port (VPP) lighting signal and a Serial General Purpose Input / Output (SGPIO) lighting signal by a server motherboard, a hard disk backplane being deployed with a target logic device and a set of hard disk slots; and scheduling and switching the VPP lighting signal and the SGPIO lighting signal in an orderly time-division way by using a preset time-division multiplexing manner, so as to transmit the VPP lighting signal and the SGPIO lighting signal to the target logic device through a same lighting cable.

A programmable logic controller in a powered system performs a hitless firmware update coordinated with a management controller. The management controller stages updated firmware and asserts a freeze signal. In response, and before any I / O-state freeze, the programmable logic controller proactively drives each communication interface that it is actively mastering (e.g., I²C, SPI, SGPIO) to a protocol-defined idle state by completing any in-progress transaction, issuing an end-of-transfer condition, and pausing further transactions. The controller then freezes its I / O pin states for a bounded interval, receives a reload command, and switches execution to the staged firmware. After the reload, the controller unfreezes its I / O and resumes normal operation. This protocol-aware quiesce prevents mid-transaction bus lock and enables reliable remote firmware updates without removing system power.

The application discloses a kind of based on CPLD's server hard disk backboard indicating light false alarm suppression method and device, method includes: monitoring the light-on signal sent by RAID card through SGPIO interface in the server restart process, light-on signal includes control signal and data signal;When control signal and data signal are simultaneously high level and last for preset time, lock the server hard disk backboard indicating light to extinguish state by CPLD;When control signal and data signal are any one signal low level, the light-on signal sent by SGPIO interface is parsed to obtain LED light-on signal by CPLD, and the bright and dark state of server hard disk backboard indicating light is controlled based on LED light-on signal.The application adopts locking and dynamic control mode according to the level state of control signal and data signal, realizes the accurate control to the state of server hard disk backboard indicating light, improves the accuracy of indicating light display in the process of server restart, and it is convenient for user to accurately judge and monitor the working state of server hard disk backboard.