86results about How to "Achieve direct access" patented technology

The invention relates to an I/O resource scheduling model for a distributed virtual machine monitor. The model is implemented by the following four steps: 1, detecting a physical resource stage; 2, establishing a global virtual I/O bitmap; 3, processing I/O instructions; and 4, interrupting virtualization. The model provided by the invention implements direct access of the distributed virtual machine monitor to equipment under a single system image, provides a complete I/O resource scheduling scheme, improves the utilization efficiency of I/O resources, and has good use value and broad development prospect.

The present invention provides a memory data quick persistence method based on a storage-class memory. The method is based on a flat mixed memory architecture, and is implemented by collaborative design of a user layer and a kernel layer. The method comprises: abstracting an SCM with a certain capacity and data stored in the SCM into a persistent area; designing an application programming interface (API) at the user layer, and making a response to memory access of an application to the persistent area; extending a Buddy system of a kernel to implement heterogeneous mixed memory management; and designing a persistent area manager to implement the functions of persistent mapping in the persistent area, metadata management in the persistent area and the like. According to the memory data quick persistence method based on the storage-class memory, a data linearization process required for data persistence in a traditional storage architecture can be avoided, direct access and in-place update of persistent data can be implemented, hierarchy invoking of a software stack in the traditional architecture is simplified, the I/O bottleneck can be effectively alleviated, and the memory access performance of the persistent data can be improved.

The invention discloses a direct I/ O (input/output) remapping method for a plurality of virtualized shared systems. The method comprises the following steps: 1, extracting an I/ O device function base address definition, recording a mapping relation between a base address register number and a base address number corresponding to an address window defined by the I/ O device function base address definition; 2, performing writing storage on a function base address in a main control root node PCIe domain, and establishing a mapping relationship from the function base address number to the base address in the main control root node PCIe domain; 3, performing writing storage on a device function ID (identification) mapping relationship, and establishing a mapping relationship between ID numbers of a device function in the main control root node PCIe domain and a subordinate root node PCIe domain; 4, performing writing storage on a function base address in the subordinate root node PCIe domain, and establishing a mapping relationship from a base address in the subordinate root node PCIe domain to a function base address number corresponding to the base address; and 5, performing direct I/ O remapping, and remapping a subordinate root node and an I/O device affair package.

Embodiments of the invention provide a virtualization method, apparatus and system, which realizes hardware virtualization. The method comprises the steps of generating a data access message, wherein the data access message carries a virtual machine identifier and virtual address information, the virtual machine identifier is used for identifying a virtual machine which generates the data access message, and the virtual address information is a virtual address of to-be-accessed data in the virtual machine; sending the data access message to a memory controller; and determining a physical memory address of the to-be-accessed data in a memory device according to the virtual machine identifier and the virtual address information by the memory controller. By adding the virtual machine identifier to the data access message, direct access to memory resources is realized, a tedious management process of memory resource access by software in the virtualization system is removed, and a base is provided for dynamic allocation of virtual machine resources.

The invention is applicable to the storage technical field and provides a method for accessing a solid state disc and the solid state disc of the method. The method includes the following steps that the step of establishing is performed, and multiple storage pools of preset sizes are established in the storage space of the solid state disc; the step of storage is performed, and data are written into the storage pools and key words are configured for the storage pools into which the data are written; the step of accessing is performed and the data in the corresponding data pools are accessed by means of the key words. Therefore, the flexibility and the efficiency of reading and writing accessing of the solid state disc are improved.

The embodiment of the invention discloses an operation method of a non-volatile RAM, a data operation method and a relevant device. The operation method of the non-volatile RAM comprises the following steps: a block device file corresponding to a non-volatile RAM area is generated; the block device file is formatted so as to enable the formatted block device file to support a first file system; the formatted block device file is mounted under the catalog of the first file system. The technical scheme provided by the embodiment of the invention facilitates the realization of no loss of data after the system is subjected to warm start or abnormal reset on the premise of being safe and reliable as far as possible.

The invention provides a method for direct access to a target server through a proxy server. The method comprises the following steps: a terminal user forwards a destination address of the target server to be accessed to the matched proxy server through a three-layer switch in a local network; the proxy server forwards requested data to the corresponding remote target server through the SSH tunneling protocol; the remote target server forwards processing result data to the proxy server through the SSH tunneling protocol; and the proxy server forwards results returned by the remote target server to the terminal user. Through the method provided by the invention, the terminal user can directly access all resources on the remote server in the same way as the terminal user accesses an internal local area network.

An embodiment of the invention provides an interface display method and terminal equipment, is applied to the technical field of communication, and aims to solve the problem that existing terminal equipment is low in accessing efficiency if the terminal equipment accesses the functions of other application programs while the terminal equipment accesses one application program. The method includes:under the situation that a first interface displays N first controls, receiving user's first input on a target control, wherein the first interface is the interface in a first application program, the N first controls are used for indicating the access path of N second interfaces, the second interfaces corresponding to the first controls are different, the N access paths are access paths with topN access frequency in a preset time period, the target control is one of the N first controls, the second interface corresponding to the target control is an interface in a second application program, and N is a positive integer; responding to the first input to display a second interface corresponding to the second interface corresponding to the target control.

The invention discloses a bridge circuit for an EMIF interface and an AHB/APB time series and a control method of the bridge circuit. The bridge circuit is connected with an external DSP through the EMIF interface, and comprises a DSP signal synchronization module, a DSP operation detection module, an address mapping controller, a data bit width matcher, an AHB/APB time series generation state machine and a configuration register. The bridge circuit is integrated in a SoC, and is connected with the external DSP through the EMIF interface to achieve the functions of analyzing, splicing and converting DSP access time series, and then finally realize the efficient operation for on-chip resources. The bridge circuit can support the access control, for 16 paths of AHB/APB slaves, of the DSP at most.

The invention relates to a method and system for conducting compression and query on a sparse matrix. According to the method, a k2-tree method is improved on the aspects of rank operation change and common matrix and non-zero matrix processing. Firstly, a sparse matrix to be processed is preprocessed to obtain a sparse matrix A of a square matrix with a unit value 0 or1; then, a k2-tree algorithm is adopted to obtain arrays T (tree) and L (leaves), the Rank array interval fixing digits are stored according to information in the T (tree) to obtain Rank (tree), V (leaves) and rank (leaves) values are obtained according to the L (leaves) and an original corresponding sparse matrix, and stored values in the sparse matrix A can be queried after coordinates of query units are input. The sparse matrix can be effectively compressed, query speed is higher, and more storage space is saved.

One or more embodiments of the invention disclose a service access method and system for a kubernetes cluster, electronic equipment and a medium. The service access method for the kubernetes cluster comprises the steps that an external client sends a service request to an external domain name server, the service request comprises a domain name of an internal service of the kubernetes cluster, and the external domain name server is located outside the kubernetes cluster; the external domain name server acquires an IP address corresponding to the domain name based on the domain name of the internal service of the kubernetes cluster; the external domain name server returns the IP address to the external client; and the external client accesses the internal service of the kubernetes cluster based on the IP address, so that the external client outside the cluster can directly access the internal service of the kubernetes cluster conveniently.

The invention discloses a remote processing calling method and device and a communication system, and belongs to the technical field of communication. The method comprises the following steps: a first message processing assembly receives a first calling request message and sends the first calling request message to a first service hook assembly; the first service hook assembly receives the first calling request message and sends the first calling request message to the first processing assembly; the first processing assembly receives the first calling request message, generates a first calling response message through the first calling request message and sends the first calling response message to the first service hook assembly; the first service hook assembly receives the first calling response message and sends the first calling response message to the first message processing assembly; the first message processing assembly receives the first calling request message and sends the first calling request message to a server side. The first service hook assembly is registered on a client, so that the server side can directly call a service offered by the client, the complexity is lowered, and the system flexibility is enhanced.

The invention discloses a communication method of terminals interconnected among different networks. The method includes: an access terminal issues an access request to a protocol conversion device; the protocol conversion device converts the access request into an IP (internet protocol) form accessible by a communication authentication device; the communication authentication device compares the access request converted into the IP to identity of an accessed terminal stored in an identity storage device for authentication; and after authentication succeeds, a VPN (virtual private network) channel between the accessed terminal and the communication authentication device is established, and the access terminal is available to access by the accessed terminal. The access terminal and the accessed terminal under different network protocols are subjected to protocol conversion by the protocol conversion device, so that the terminals under different network protocols are connected and communicated.

The embodiment of the invention provides a Beacon broadcasting method and device based on BLE5. The method comprises the following steps: generating broadcast packet data according to broadcast packet index information and preset broadcast packet mode information, wherein the broadcast packet index information is used for indicating the number and the order of the broadcast packet data; the preset broadcast packet mode information comprises multi-label mode information, entity information mode information and comprehensive information mode information; creating a time parameter for the broadcast packet data according to the broadcast packet index information, performing time distribution for the broadcast packet according to the time parameter, the broadcast packet index information and the time shaft information so as to obtain time scheduling information of the broadcast packet data; generating a broadcast packet queue through the broadcast packet data according to the time scheduling information; starting a timer according to the time parameter, selecting broadcast packet data from the broadcast packet queue according to the time parameter of the broadcast packet data and the real time of the timer, and sending the selected broadcast packet data to Bluetooth terminal equipment. The actual demand of the Beacon broadcast is satisfied by use of the method provided by the embodiment of the invention.

The invention discloses an HTTP and WebSocket collaborative distributed state synchronization method which is characterized by comprising the following steps: step 1, initializing a WebSocket server cluster, step 2, reconstructing a URL of the WebSocket server cluster, step 3, allocating a WebSocket session to each client, step 4, detecting whether long connection is normal, step 5, determining aservice state change request. Step 6, calling a service server to process the request, and feeding back a result to the client, step 7, sending the request to the WebSocket server node, and step 8, closing the long connection. The WebSocket server is used for replacing an original client to send heartbeat detection, messages or external storage is not used, the effects of being simple in deployment and easy to expand are achieved, and meanwhile the using function requirements of different scenes are met.

The invention discloses a programmable logic device configurator. The device comprises a microcontroller interface module (1), a working register array module (2), a program memory interface module (3) and a configuration time sequence generator module (4), an x80 series microcontroller can be realized; wherein the general Flash type program memory and the American Xilinx Company Artix7/Kintex7/Virtex7 series programmable logic devices are seamlessly connected together; a parallel high-speed programmable logic device slave SelectMap configuration circuit is formed, and after a user system is powered on and reset, the power-on reset program loading function of a corresponding programmable logic device of the user system can be directly completed; and in the normal working process of the user system, the user system autonomously controls and completes the functions of on-line program loading and function resetting of the corresponding programmable logic device, so that the target code on-line updating function of the corresponding programmable logic device is realized.

The invention provides a storage access method and device for a virtual machine, and the method comprises the steps: enabling a server to log in a storage service of a network disk distributed for thevirtual machine, obtaining an identifier of the network disk, and creating the virtual disk with the identifier of the network disk for the virtual machine based on the network disk. The virtual machine logs in the storage service of the network disk after starting the operation system based on the virtual disk; and then based on the identifier shared by the network disk and the virtual disk, determining that the storage access path of the virtual machine comprises the access path of the network disk and the access path of the virtual disk, the access path of the virtual disk being a main path, and the access path of the network disk being a standby path. And switching the access path of the network disk as a main path by the virtual machine after detecting that the server logs out of thestorage service of the network disk. Therefore, the virtual disk can be accessed only by occupying a small amount of server resources in the starting stage of the virtual machine, and the virtual machine directly accesses the network disk after the virtual machine is started.