WO2022142919A1 - Multi-chip communication system and method, chip and storage medium - Google Patents

Abstract

Disclosed in the present invention are a multi-chip communication system and method, a chip and a storage medium. The multi-chip communication system comprises a first chip and at least one second chip in communication with the first chip. The first chip comprises a first communication service module and a first communication management module, and the second chip comprises a second communication service module. The first communication service module is configured to receive a data transmission request sent by the second communication service module, receive a target channel group identifier fed back by the first communication management module and target description information corresponding to the target channel group identifier, determine an initial transmission queue corresponding to a target logic channel identifier as a target transmission queue, transfer data to be transmitted to the target transmission queue, and transmit said data according to the request priority by means of the target transmission queue. According to the present invention, said data is transmitted by means of the target transmission queue, the transmission capability of bottom hardware is fully utilized, and the data transmission efficiency is improved.

Description

Multi-chip communication system, method, chip and storage medium technical field

The present invention relates to the field of communication technologies, and in particular, to a multi-chip communication system, method, chip and storage medium.

This application claims the priority of the Chinese patent application with the application number 202011639920.X and the invention name "multi-chip communication system, method, chip and storage medium", which was submitted to the China Patent Office on December 31, 2020, the entire content of which is approved by Reference is incorporated in this application.

Background technique

A complete artificial intelligence application system is often completed by the cooperation of multiple specialized chips. There is a large amount of data communication between chips. The performance of data communication is an important factor affecting the performance of the entire artificial intelligence application system.

Existing solutions generally implement inter-chip data communication through network layer protocols. Although, the data communication between chips is realized through the network layer protocol, and the software interface adopted is easy to use. However, the overhead of network layer protocol processing cannot be ignored, and the underlying hardware transmission capability cannot be fully utilized, so that the performance of the entire artificial intelligence application system is often limited by the efficiency of data communication between chips.

technical solutions

Embodiments of the present invention provide a multi-chip communication system, method, chip and storage medium, so as to solve the problem of low efficiency of data communication between chips.

A multi-chip communication system, the multi-chip communication system includes a first chip and at least one second chip communicating with the first chip, the first chip includes a first communication service module and a first communication management module; the second chip includes a second communication service module;

The first communication service module is configured to receive a data transmission request sent by the second communication service module, where the data transmission request includes a data address, a data attribute, a data length, a second chip identification and a request priority;

The first communication service module is further configured to send the second chip identification to the first communication management module, and receive the target channel group identification fed back by the first communication management module and the target channel group identification Corresponding target description information;

The first communication service module is further configured to perform matching processing on the target description information corresponding to the data length, the request priority, and the target channel group identifier, obtain the successfully matched target logical channel identifier, and use the The initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue;

The first communication service module is further configured to acquire data to be transmitted according to the data address and the data attribute, and move the data to be transmitted to the target transmission queue;

The first communication service module is further configured to send the data to be transmitted to the second communication service module through the target transmission queue according to the request priority.

Further, the first communication service module is further configured to obtain the data to be transmitted corresponding to the data address and the data attribute according to the data address and the data attribute, and adopt a preset data transmission strategy , and move the data to be transmitted to the target transmission queue.

Further, the first communication management module is configured to detect the second chip connected to the first chip, and save a second chip attribute corresponding to the second chip, where the second chip attribute includes the second chip identification and chip rate information;

The first communication management module is further configured to assign a logical channel group identifier to the second chip, and associate the logical channel group identifier with the second chip identifier;

The first communication management module is further configured to process the chip rate information, obtain initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module, and the The initial channel description information includes an initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers;

The first communication service module is further configured to create an initial transmission queue corresponding to the initial logical channel identifier, and store the initial transmission queue in the chip cache.

Further, the first communication management module is further configured to generate the logical channel group identifier corresponding to the second chip according to a preset allocation logic; the first communication management module is further configured to The logical channel group identifier is associated with the second chip identifier.

Further, the first communication management module is further configured to determine an initial logical channel identifier corresponding to each of the rate levels according to a preset priority policy; the first communication management module is further configured to generate a The initial channel description information corresponding to the initial logical channel identifier is sent to the first communication service module.

Further, the first communication service module is further configured to establish a transmission service context corresponding to the initial logical channel identifier, where the transmission service context is used to record the current state of the initial transmission queue.

A multi-chip communication method, applied in a multi-chip communication system, the multi-chip communication system comprising a first chip and at least one second chip communicating with the first chip, the first chip comprising a first communication service module and a first communication management module, the second chip includes a second communication service module, and the multi-chip communication method includes:

Using the first communication service module to receive a data transmission request sent by the second communication service module, where the data transmission request includes a data address, a data attribute, a data length, a second chip identifier and a request priority;

Using the first communication service module, sending the second chip identification to the first communication management module, and receiving the target channel group identification fed back by the first communication management module and corresponding to the target channel group identification target description information;

Using the first communication service module, the data length, the request priority, and the target description information corresponding to the target channel group identifier are matched to obtain the successfully matched target logical channel identifier, and the chip cache The initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue;

Using the first communication service module, obtain the data to be transmitted according to the data address and the data attribute, and move the data to be transmitted to the target transmission queue;

Using the first communication service module, according to the request priority, the data to be transmitted is sent to the second communication service module through the target transmission queue.

Further, the use of the first communication service module to obtain data to be transmitted according to the data address and the data attribute, and to move the data to be transmitted to the target transmission queue, includes:

Using the first communication service module, according to the data address and the data attribute, the to-be-transmitted data corresponding to the data address and the data attribute is acquired, and a preset data transmission strategy is used to transfer the to-be-transmitted data. The transmission data is moved to the target transmission queue.

Further, before the first communication service module is used to receive the data transmission request sent by the processor, the following steps performed by the first chip are also included:

Using the first communication management module, detecting a second chip connected to the chip, and saving a second chip attribute corresponding to the second chip, where the second chip attribute includes a second chip identifier and chip rate information;

Using the first communication management module, assigning a logical channel group identifier to the second chip, and associating the logical channel group identifier with the second chip identifier;

Using the first communication management module, the chip rate information is processed, the initial channel description information corresponding to the second chip is obtained, and the initial channel description information is sent to the first communication service module, and the initial channel description information is sent to the first communication service module. The description information includes an initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers;

Using the first communication service module, an initial transmission queue corresponding to the initial logical channel identifier is created, and the initial transmission queue is stored in the chip cache.

Further, using the first communication management module to assign a logical channel group identifier to the second chip, and associating the logical channel group identifier with the second chip identifier, includes:

Using the first communication management module to generate the logical channel group identifier corresponding to the second chip according to preset allocation logic;

Using the first communication management module, the logical channel group identifier is associated with the second chip identifier.

Further, the chip rate information includes at least one rate level;

The step of using the first communication management module to process the chip rate information, acquiring the initial channel description information corresponding to the second chip, and sending the initial channel description information to the first communication service module, includes:

Using the first communication management module, according to a preset priority policy, determine the initial logical channel identifier corresponding to each of the rate levels;

Using the first communication management module, the initial channel description information corresponding to the initial logical channel identifier is generated, and the initial channel description information is sent to the first communication service module.

Further, using the first communication service module to create an initial transmission queue corresponding to the initial logical channel identifier, and storing the initial transmission queue in the chip cache, includes:

Using the first communication service module, a transmission service context corresponding to the initial logical channel identifier is established, and the transmission service context is used to record the current state of the initial transmission queue.

A computer-readable storage medium stores a system communication program, and when the system communication program is executed by a processor, realizes the above-mentioned multi-chip communication method.

The above multi-chip communication system, method, chip and storage medium, the multi-chip communication system includes hardware such as a first chip and at least one second chip that communicates with the first chip, and the first chip includes a first communication service module and a first communication management module; the second chip includes a second communication service module. The first communication service module performs matching processing on the data length, request priority, and target description information corresponding to the target channel group identifier, obtains the successfully matched target logical channel identifier, and matches the initial transmission queue corresponding to the target logical channel identifier. Determined to be the target transmission queue, however, the initial transmission queue is a queue pre-created by the first communication management module in the first chip. Therefore, the underlying hardware of the first communication service module can be pre-created from the first communication management module. The target transmission queue is quickly determined in the queue to improve the transmission efficiency of the data to be transmitted. The first communication service module sends the data to be transmitted to the second communication service module through the target transmission queue according to the request priority. Understandably, the first communication service module sends the data to be transmitted to the second communication service module through the target transmission queue according to the request priority, so as to avoid data access conflicts. To sum up, the multi-chip communication system makes full use of the underlying hardware transmission capability and improves data transmission efficiency through the first communication service module in the first chip and the second communication service module in the second chip.

Description of drawings

1 is a schematic diagram of a multi-chip communication system in an embodiment of the present invention;

2 is a schematic diagram of a first chip in an embodiment of the present invention;

3 is a flowchart of a multi-chip communication method in an embodiment of the present invention;

4 is another flowchart of a multi-chip communication method in an embodiment of the present invention;

5 is another flowchart of a multi-chip communication method in an embodiment of the present invention;

FIG. 6 is another flowchart of a multi-chip communication method according to an embodiment of the present invention.

Embodiments of the present invention

A multi-chip communication system provided by an embodiment of the present invention, as shown in FIG. 1 , includes a first chip and at least one second chip that communicates with the first chip. The first chip and the second chip may be chips as shown in FIG. 2 , the chips include but are not limited to SoC chips, or other system-on-chips. The first chip includes a first communication management module 11 and a first communication service module 12 . The first communication management module 11 is a management module in the first chip. The first communication service module 12 is a service module in the first chip. The second chip includes a second communication management module 21 identical to the first communication management module 11 and a second communication service module 22 identical to the first communication service module 12 . The second communication management module 21 is a management module in the second chip. The second communication service module 22 is a service module in the second chip. The first chip and the second chip include, but are not limited to, SoC chips, or other system-on-chips.

In one embodiment, as shown in FIG. 1 , a multi-chip communication system is provided, including a first chip and at least one second chip in communication with the first chip. The first chip includes a first communication service module 12 and a first communication management module 11 . The second chip includes a second communication service module 22:

The first communication service module 12 is configured to receive a data transmission request sent by the second communication service module 22, where the data transmission request includes data address, data attribute, data length, second chip identification and request priority.

The first communication service module 12 is a service module in the chip. The data transmission request is a request sent by the second communication service module 22 for acquiring the data to be transmitted. The data to be transmitted is the data to be acquired by the data transmission request. The data address is the address corresponding to the data to be transmitted. The data attribute is the attribute corresponding to the data to be transmitted. For example, data attributes include, but are not limited to, text data, image data, and the like. The data length is the length corresponding to the data to be transmitted. The second chip identifier is the identifier corresponding to the second chip. The request priority is the priority at which the first communication service module 12 processes the data transmission request.

As an example, the chip uses the first communication service module 12 to receive and receive the data transmission request sent by the second communication service module 22 . For example, the data transfer request may be one or more. When the chip uses the first communication service module 12 to process multiple data transmission requests, according to the request priority corresponding to each data transmission request, the data transmission request with a higher request priority is preferentially processed to avoid data access conflicts.

The first communication service module 12 is further configured to send the second chip identification to the first communication management module 11, and receive the target channel group identification and target description information corresponding to the target channel group identification fed back by the first communication management module 11.

The target channel group identifier is an identifier corresponding to the logical channel group associated with the second chip identifier. A logical channel group is a channel group that includes multiple logical channels. The logical channel is a sub-channel multiplexed into the channel formed when the data to be transmitted is to be transmitted, and the channel bandwidth is allocated according to the actual transmission requirements of the data to be transmitted by means of statistical channel multiplexing. The target description information is information corresponding to the target channel group identifier. For example, the target description information includes, but is not limited to, identifiers corresponding to multiple logical channels, the maximum transmission block size of the logical channel, the priority of the logical channel, and the maximum number of consecutive transmissions of the logical channel. It should be noted that the identifier corresponding to the logical channel is the logical channel identifier, and one target channel group identifier may correspond to multiple logical channel identifiers.

As an example, the chip adopts the first communication service module 12, sends the second chip identification to the first communication management module 11, and receives the target channel group identification and the target corresponding to the target channel group identification fed back by the first communication management module 11. Description information, so that the logical channel for transmitting the data to be transmitted is determined by the target channel group identifier and the target description information in the subsequent steps, so as to make full use of the transmission capability of the underlying hardware and improve the data transmission efficiency.

The first communication service module 12 is also used to perform matching processing on the target description information corresponding to the data length, the request priority, and the target channel group identifier, and obtain the successfully matched target logical channel identifier, which will correspond to the target logical channel identifier. The initial transmission queue is identified as the target transmission queue.

The target logical channel identifier is the logical channel identifier matching the data length and the request priority in the target description information. The initial transmission queue is the transmission queue that is cached in the internal memory in advance by the first communication management module 11 and corresponds to the target logical channel identifier. The target transmission queue is an initial transmission queue for transmitting data to be transmitted.

As an example, the chip uses the first communication service module 12 to match the data length and request priority with the target description information corresponding to the target channel group identifier. For example, the data length and request priority are matched with the target description information. The maximum transmission block size of the logical channel and the priority of the logical channel are matched, and the logical channel identifier that matches the data length and the request priority in the target description information is determined as the target logical channel identifier, and the first communication management module 11 The transmission queue that is cached in the internal memory in advance and corresponding to the target logical channel identifier is determined as the target transmission queue. Understandably, since the target transmission queue is in the chip cache, when the first communication service module 12 receives the data transmission request, it can quickly determine the target transmission queue, so as to use the target transmission queue to transmit the data to be transmitted, and make full use of the underlying hardware transmission. ability to improve data transmission efficiency.

The first communication service module 12 is further configured to acquire the data to be transmitted according to the data address and the data attribute, and move the to-be-transmitted data to the target transmission queue.

The target transmission queue is the transmission queue corresponding to the target logical channel identifier.

As an example, the chip adopts the first communication service module 12 to obtain the corresponding data to be transmitted from the chip corresponding to the second chip identifier according to the data address and data attribute in the data transmission request. The data to be transmitted is moved to the target transmission queue, and transmitted through the target transmission queue.

The first communication service module 12 is further configured to send the data to be transmitted to the second communication service module 22 through the target transmission queue according to the request priority.

As an example, in order to avoid conflicts in data access, the chip uses the first communication service module 12 to send the data to be transmitted to the second communication service module 22 through the target transmission queue according to the request priority in the data transmission request, so as to achieve The transmission of the data to be transmitted between the first chip and the second chip improves the data transmission efficiency.

In this embodiment, the multi-chip communication system includes hardware such as a first chip and at least one second chip that communicates with the first chip, the first chip includes a first communication service module 12; the second chip A second communication service module 22 is included. The first communication service module 12 sends the data length and request. The priority is obtained, the target description information corresponding to the target channel group identifier is matched, and the target logical channel identifier that matches successfully is obtained, and the initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue. However, the initial transmission queue The queue is again a queue pre-created by the first communication management module 11 in the first chip. Therefore, the underlying hardware of the first communication service module 12 can quickly determine the target transmission queue from the queue pre-created by the first communication management module 11 , to improve the transmission efficiency of the data to be transmitted. The first communication service module 12 sends the data to be transmitted to the second communication service module 22 through the target transmission queue according to the request priority. Understandably, the first communication service module 12 sends the data to be transmitted to the second communication service module 22 through the target transmission queue according to the request priority, so as to avoid data access conflicts. To sum up, the multi-chip communication system makes full use of the underlying hardware transmission capability and improves data transmission efficiency through the first communication service module 12 in the first chip and the second communication service module 22 in the second chip.

It can be understood that, in other embodiments, each second chip can be used as a first chip, and the first chip can also be used as a second chip.

In one embodiment, the first communication service module 12 is further configured to obtain data to be transmitted corresponding to the data address and data attribute according to the data address and data attribute, and to move the data to be transmitted to the target by adopting a preset data transmission strategy. on the transmission queue.

The preset data transmission strategy is a preset transmission mode of data to be transmitted. For example, DMA (Direct Memory Access, direct memory access, DMA for short) is used to transmit the data to be transmitted, or a preset data copy program is used to transmit the data to be transmitted. Preferably, the preset data transmission strategy can use DMA to transmit the data to be transmitted, because DMA allows chips with different data transmission rates to transmit data without relying on the processor of the chip to interrupt a large amount of load, which can improve the data transmission performance of the chip .

In this embodiment, the first communication service module 12 is further configured to acquire data to be transmitted corresponding to the data address and data attribute according to the data address and data attribute, and to move the to-be-transmitted data to the target transmission by adopting a preset data transmission strategy On the queue, it can improve the data transmission performance of the chip.

In one embodiment, the first communication management module 11 is further configured to detect the second chip connected to the chip, and save the second chip attribute corresponding to the second chip, and the second chip attribute includes the second chip identification and the chip speed information;

The second chip is a chip connected to the first chip. The second chip may be one or more. The second chip attribute is the attribute corresponding to the second chip, including but not limited to the second chip identification and chip speed information. The second chip identification is the identification on the second chip. The chip rate information is information of the transmission rate of the second chip. For example, chip rate information includes, but is not limited to, data transfer rate and rate class. The rate class is the class corresponding to the data transmission rate.

As an example, before the data transmission process, the chip uses the first communication management module 11 to detect the second chips connected to the chip, and saves the second chip attributes corresponding to each second chip, that is, the second chip identifier and the chip rate information, so as to determine corresponding data transmission modes for chips with different second chip attributes in subsequent steps, so as to improve data transmission efficiency.

The first communication management module 11 is further configured to assign a logical channel group identifier to the second chip, and associate the logical channel group identifier with the second chip identifier.

The logical channel group identifier is an identifier corresponding to the logical channel group allocated to the second chip. Specifically, the chip adopts the first communication management module 11, assigns a corresponding logical channel group identifier to each second chip, and associates the logical channel group identifier with the second chip identifier. Understandably, since each logical channel group identifier includes multiple logical channel identifiers, after the first communication management module 11 associates the logical channel group identifier with the second chip identifier, the first communication management module 11 can correspond to the second chip identifier according to the first communication management module 11. the second chip attribute, and assign the second chip a logical channel identifier corresponding to the second chip identifier and the chip rate information. In this way, the chip can use the first communication service module 12, according to the logical channel corresponding to the logical channel identifier, to the second chip. The second chip identification is processed corresponding to the data transmission request sent by the chip to improve the data transmission efficiency.

The first communication management module 11 is further configured to process the chip rate information, obtain the initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module 12. The initial logical channel identifier corresponding to the chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers.

The initial channel description information is description information corresponding to the logical channel group identifier. For example, the initial channel description information includes, but is not limited to, identifiers corresponding to multiple logical channels, the maximum transmission block size of the logical channel, the priority of the logical channel, and the maximum number of consecutive transmissions of the logical channel. The initial logical channel identifier is the identifier corresponding to the logical channel. It should be noted that one logical channel group identifier may include multiple logical channel identifiers.

As an example, the chip uses the first communication management module 11 to process the chip rate information, and obtains the initial channel description information corresponding to the second chip. For example, the chip uses the first communication management module 11 to process the data transmission rate and rate level, Obtain the logical channel identifier corresponding to the second chip, the maximum transmission block size of the logical channel, the priority of the logical channel, and the maximum number of consecutive transmissions of the logical channel. The chip adopts the first communication management module 11 to send the initial channel description information to the first communication service module 12, so that the first communication service module 12 can obtain the target logical channel identifier according to the data length and request priority in the data transmission request, The initial transmission queue corresponding to the target logical channel identifier in the chip cache is determined as the target transmission queue, and the data to be transmitted is transmitted through the target transmission queue.

The first communication service module 12 is further configured to create an initial transmission queue corresponding to the initial logical channel identifier, and store the initial transmission queue in the chip cache.

The initial transmission queue is a queue corresponding to the initial logical channel identifier.

As an example, the chip uses the first communication service module 12 to create an initial transmission queue corresponding to the initial logical channel identifier, and stores the initial transmission queue in the chip cache, so that after the first communication service module 12 receives the data transmission request, It can quickly determine the target transmission queue to quickly transmit the data to be transmitted, make full use of the underlying hardware transmission capability, and improve the data transmission efficiency.

In this embodiment, the first communication management module 11 is used to detect the second chip connected to the chip, and save the second chip attribute corresponding to the second chip, and the second chip attribute includes the second chip identification and the chip speed information, so as to In the subsequent steps, corresponding data transmission modes are determined for chips with different attributes of the second chip to improve data transmission efficiency; the first communication management module 11 is further configured to assign a logical channel group identifier to the second chip, and assign the logical channel group identifier to the second chip. Associated with the second chip identification, so that the chip can use the first communication service module 12 to process the data transmission request sent by the chip corresponding to the second chip identification according to the logical channel corresponding to the logical channel identification, so as to improve the data transmission efficiency; the first communication management The module 11 is further configured to process the chip rate information, obtain the initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module 12. The initial channel description information includes the identifier corresponding to the second chip. The initial logical channel identifier, the initial logical channel identifier is one of the logical channel group identifiers; the first communication service module 12 is also used to create an initial transmission queue corresponding to the initial logical channel identifier, and store the initial transmission queue in the chip cache. In order to quickly transmit the data to be transmitted, make full use of the underlying hardware transmission capability and improve the data transmission efficiency.

In one embodiment, the first communication management module 11 is further configured to generate a logical channel group identifier corresponding to the second chip according to the preset allocation logic; the first communication management module 11 is further configured to associate the logical channel group identifier with the logical channel group identifier. The second chip identifies the association.

The preset allocation logic is logic for generating a logical channel group identifier corresponding to the second chip. For example, the preset allocation logic may be to allocate the logical channel group identifier to the second chip according to the sequence of detecting the identifier of the second chip. Alternatively, the logical channel group identifier is allocated to the second chip according to the user-defined setting identifier, so as to facilitate the user to manage the chip.

As an example, the chip uses the first communication management module 11 to associate the logical channel group identifier with the second chip identifier, for example, store the logical channel group identifier and the second chip identifier in the transmission service context correspondingly. Wherein, the transmission service context is a collection of all communication information in the process of chip data communication. In this way, the first communication service module 12 transmits the service context, obtains the second chip identifier corresponding to the logical channel identifier, and processes the data transmission request sent by the chip corresponding to the second chip identifier, thereby improving data transmission efficiency.

In this embodiment, the first communication management module 11 is further configured to generate a logical channel group identifier corresponding to the second chip according to the preset allocation logic; the first communication management module 11 is further configured to associate the logical channel group identifier with the The second chip identification is associated, so that the first communication service module 12 obtains the second chip identification corresponding to the logical channel identification according to the transmission service context, and processes the data transmission request sent by the chip corresponding to the second chip identification, so as to improve data transmission. efficiency.

In one embodiment, the first communication management module 11 is further configured to determine an initial logical channel identifier corresponding to each rate level according to a preset priority policy; the first communication management module 11 is further configured to generate a corresponding initial logical channel The corresponding initial channel description information is identified, and the initial channel description information is sent to the first communication service module 12 .

The preset priority policy is a user-defined request priority order corresponding to the second chip. For example, a logical channel identifier is assigned to each rate level, and multiple request priorities can be set for the same rate level. A logical channel corresponding to a request priority of a rate class is assigned a logical channel identifier. The request priority is user-defined configuration, and one or more can be configured according to the actual needs of the user.

As an example, the chip uses the first communication management module 11 to determine the initial logical channel identifier corresponding to each rate level according to the preset priority policy, and generates initial channel description information corresponding to the initial logical channel identifier, and describes the initial channel The information is sent to the first communication service module 12, and the second chip with a higher priority is requested to send a data transmission request for processing first, so as to avoid data access conflicts.

In this embodiment, the first communication management module 11 is further configured to determine the initial logical channel identifier corresponding to each rate level according to the preset priority policy; the first communication management module 11 is further configured to generate a corresponding initial logical channel Identify the corresponding initial channel description information, send the initial channel description information to the first communication service module 12, and send the initial channel description information to the first communication service module 12, so as to avoid conflicts in data access and improve the reliability of data transmission.

In an embodiment, the first communication service module 12 is further configured to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue.

As an example, the chip uses the first communication service module 12 to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue. For example, the chip allocates the most appropriate initial transmission queue according to the request of the first communication service module 12, and marks the initial logical channel identifier and the initial transmission queue as occupied. When the transmission of the data to be transmitted is completed, the initial logical channel identifier and the initial transmission queue are changed to an idle state.

In this embodiment, the first communication service module 12 is further configured to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue, which is convenient for the chip to use the first communication service module 12 Associating the initial logical channel identifier with the initial transmission queue, mentioning the data transmission efficiency.

In one embodiment, as shown in FIG. 3, a multi-chip communication method is provided, which is applied to the multi-chip communication system shown in The second chip, the first chip includes a first communication service module and a first communication management module, and the second chip includes a second communication service module. Taking the method applied to the first chip in FIG. 2 as an example, the data transmission process includes the following steps performed by the first chip:

S11: Adopt the first communication service module to receive a data transmission request sent by the second communication service module, where the data transmission request includes data address, data attribute, data length, second chip identification and request priority.

As an example, the chip uses the first communication service module to receive the data transmission request sent by the second communication service module. For example, the data transfer request may be one or more. When the chip uses the first communication service module to process multiple data transmission requests, according to the request priority corresponding to each data transmission request, the data transmission request with a higher request priority is preferentially processed to avoid data access conflicts.

S12: Using the first communication service module, send the second chip identification to the first communication management module, and receive the target channel group identification and target description information corresponding to the target channel group identification fed back by the first communication management module.

As an example, the chip adopts the first communication service module, sends the second chip identification to the first communication management module, and receives the target channel group identification and target description information corresponding to the target channel group identification fed back by the first communication management module, In the subsequent steps, the logical channel for transmitting the data to be transmitted is determined by the target channel group identifier and the target description information, so as to make full use of the transmission capability of the underlying hardware and improve the data transmission efficiency.

S13: Using the first communication service module, perform matching processing on the data length, request priority, and target description information corresponding to the target channel group identifier, obtain the successfully matched target logical channel identifier, and match the target logical channel identifier in the chip cache with the target logical channel identifier. The corresponding initial transmission queue is determined as the target transmission queue.

As an example, the chip adopts the first communication service module, and performs matching processing on the data length and request priority with the target description information corresponding to the target channel group identifier. For example, the data length and request priority are matched with the target description information. The maximum transmission block size of the logical channel and the priority of the logical channel are matched, the logical channel identifier matching the data length and the request priority in the target description information is determined as the target logical channel identifier, and the first communication management module The transmission queue cached in the internal memory and corresponding to the target logical channel identifier is determined as the target transmission queue. Understandably, since the target transmission queue is in the chip cache, when the first communication service module receives the data transmission request, it can quickly determine the target transmission queue, so as to use the target transmission queue to transmit the data to be transmitted, and make full use of the underlying hardware transmission capability. , improve data transmission efficiency.

S14: Using the first communication service module, obtain the data to be transmitted according to the data address and the data attribute, and move the to-be-transmitted data to the target transmission queue.

As an example, the chip adopts the first communication service module, and obtains the corresponding data to be transmitted from the chip corresponding to the second chip identifier according to the data address and data attribute in the data transmission request. The data to be transmitted is moved to the target transmission queue, and transmitted through the target transmission queue.

S15: Using the first communication service module, according to the request priority, the data to be transmitted is sent to the second communication service module through the target transmission queue.

As an example, in order to avoid conflicts in data access, the chip uses the first communication service module to send the data to be transmitted to the second communication service module through the target transmission queue according to the request priority in the data transmission request, so as to improve the data transmission efficiency .

In this embodiment, the chip adopts the first communication service module to receive the data transmission request sent by the second communication service module, and the data transmission request includes data address, data attribute, data length, second chip identification and request priority; A communication service module, sending the second chip identification to the first communication management module, and receiving the target channel group identification and target description information corresponding to the target channel group identification fed back by the first communication management module, so that the target channel can be passed in the subsequent steps. The group identifier and the target description information determine the logical channel for transmitting the data to be transmitted, so as to make full use of the underlying hardware transmission capability; using the first communication service module, the data length and request priority, and the target description information corresponding to the target channel group identifier are processed. Matching processing, obtaining the target logical channel identifier that matches successfully, and determining the initial transmission queue corresponding to the target logical channel identifier in the chip cache as the target transmission queue, which can quickly determine the target transmission queue to transmit the data to be transmitted quickly. The first communication service module obtains the data to be transmitted according to the data address and data attribute, moves the data to be transmitted to the target transmission queue, and uses the first communication service module to pass the target transmission queue according to the priority of the request. Send to the second communication service module, make full use of the underlying hardware transmission capability, and at the same time improve the data transmission efficiency.

In one embodiment, in step S14, adopting the first communication service module, obtaining the data to be transmitted according to the data address and the data attribute, and moving the data to be transmitted to the target transmission queue, including: adopting the first communication service module, according to the Data address and data attribute, obtain the data to be transmitted corresponding to the data address and data attribute, and use a preset data transmission strategy to move the to-be-transmitted data to the target transmission queue.

As an example, DMA (Direct Memory Access, direct memory access, DMA for short) is used to transmit the data to be transmitted, or a preset data copy program is used to transmit the data to be transmitted. Preferably, the preset data transmission strategy can use DMA to transmit the data to be transmitted, because DMA allows chips with different data transmission rates to transmit data without relying on the processor of the chip to interrupt a large amount of load, which can improve the data transmission performance of the chip .

In this embodiment, the chip adopts the first communication service module, obtains the data to be transmitted corresponding to the data address and data attribute according to the data address and data attribute, and adopts a preset data transmission strategy to move the to-be-transmitted data to the target transmission queue , which can improve the data transmission performance of the chip.

In one embodiment, as shown in FIG. 4 , before the first communication service module is used to receive the data transmission request sent by the processor, the following steps are performed by the first chip:

S21: Use the first communication management module to detect the second chip connected to the chip, and save the second chip attribute corresponding to the second chip, where the second chip attribute includes the second chip identification and the chip speed information.

As an example, before the data transmission process, the chip uses the first communication management module to detect the second chips connected to the chip, and saves the second chip attributes corresponding to each second chip, that is, the second chip ID and the chip speed information, so as to determine the corresponding data transmission mode for chips with different second chip attributes in subsequent steps, so as to improve the data transmission efficiency.

S22: Using the first communication management module, assign a logical channel group identifier to the second chip, and associate the logical channel group identifier with the second chip identifier.

Specifically, since each logical channel group identifier includes multiple logical channel identifiers, after the first communication management module associates the logical channel group identifier with the second chip identifier, the first communication management module can The chip attribute is assigned to the second chip, and the logical channel identifier corresponding to the second chip identifier and the chip rate information is allocated to the second chip. In this way, the chip can use the first communication service module, according to the logical channel corresponding to the logical channel identifier, to the second chip identifier. The data transmission request sent by the chip is processed to improve the data transmission efficiency.

S23: Use the first communication management module to process the chip rate information, obtain initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module, where the initial channel description information includes the identifier of the second chip The corresponding initial logical channel identifier, the initial logical channel identifier is one of the logical channel group identifiers.

As an example, the chip uses the first communication management module to process the chip rate information, and obtains initial channel description information corresponding to the second chip. For example, the chip uses the first communication management module to process the data transmission rate and rate level, and obtains the first communication management module. The logical channel identifiers corresponding to the two chips, the maximum transmission block size of the logical channel, the priority of the logical channel, and the maximum number of consecutive transmissions of the logical channel. The chip uses the first communication management module to send the initial channel description information to the first communication service module, so that the first communication service module can obtain the target logical channel identifier according to the data length and request priority in the data transmission request, and cache the chip. The initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue, and the data to be transmitted is transmitted through the target transmission queue.

S24: Using the first communication service module, create an initial transmission queue corresponding to the initial logical channel identifier, and store the initial transmission queue in the chip cache.

As an example, the chip uses the first communication service module to create an initial transmission queue corresponding to the initial logical channel identifier, and stores the initial transmission queue in the chip cache, so that after the first communication service module receives the data transmission request, it can quickly Determine the target transmission queue to transmit the data to be transmitted quickly, make full use of the underlying hardware transmission capability, and improve the data transmission efficiency.

In this embodiment, the chip uses the first communication management module to detect the second chip connected to the chip, and saves the second chip attribute corresponding to the second chip. In the step, the corresponding data transmission mode is determined for chips with different second chip attributes, so as to improve the data transmission efficiency; the first communication management module is used to assign a logical channel group identifier to the second chip, and the logical channel group identifier is associated with the second chip identifier. , so that the chip can use the first communication service module to process the data transmission request sent by the chip corresponding to the second chip identification according to the logical channel corresponding to the logical channel identification, so as to improve the data transmission efficiency; use the first communication management module to process the chip rate information. Process, obtain the initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module, where the initial channel description information includes the initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is logical One of the channel group identifiers, the first communication service module is used to create an initial transmission queue corresponding to the initial logical channel identifier, and the initial transmission queue is stored in the chip cache to transmit the data to be transmitted quickly and make full use of the underlying hardware transmission. ability to improve data transmission efficiency.

In one embodiment, as shown in FIG. 5 , in step S22, a first communication management module is used to assign a logical channel group identifier to the second chip, and to associate the logical channel group identifier with the second chip identifier, including:

S31: Using the first communication management module, according to the preset allocation logic, generate a logical channel group identifier corresponding to the second chip.

S32: Using the first communication management module, associate the logical channel group identifier with the second chip identifier.

As an example, the chip uses the first communication management module to associate the logical channel group identifier with the second chip identifier, for example, stores the logical channel group identifier and the second chip identifier in the transmission service context correspondingly. Wherein, the transmission service context is a collection of all communication information in the process of chip data communication. In this way, the first communication service module transmits the service context, obtains the second chip identifier corresponding to the logical channel identifier, and processes the data transmission request sent by the chip corresponding to the second chip identifier, thereby improving data transmission efficiency.

In this embodiment, the chip adopts the first communication management module, and generates the logical channel group identifier corresponding to the second chip according to the preset allocation logic; the first communication management module is used to associate the logical channel group identifier with the second chip identifier , so that the first communication service module obtains the second chip identification corresponding to the logical channel identification according to the transmission service context, and processes the data transmission request sent by the chip corresponding to the second chip identification, so as to improve the data transmission efficiency.

In one embodiment, as shown in FIG. 6 , the chip rate information includes at least one rate level; in step S23, the first communication management module is used to process the chip rate information to obtain the initial channel description information corresponding to the second chip. , send the initial channel description information to the first communication service module, the initial channel description information includes the initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers, including:

S41: Using the first communication management module, according to a preset priority policy, determine the initial logical channel identifier corresponding to each rate level.

S42: Use the first communication management module to generate initial channel description information corresponding to the initial logical channel identifier, and send the initial channel description information to the first communication service module.

As an example, the chip adopts the first communication management module, determines the initial logical channel identifier corresponding to each rate level according to the preset priority policy, generates initial channel description information corresponding to the initial logical channel identifier, and converts the initial channel description information It is sent to the first communication service module to request the second chip with a higher priority to send a data transmission request to be processed first, so as to avoid data access conflicts.

In this embodiment, the chip uses a first communication management module to determine an initial logical channel identifier corresponding to each rate level according to a preset priority policy; and uses the first communication management module to generate an initial channel corresponding to the initial logical channel identifier description information, and send the initial channel description information to the first communication service module, so as to avoid conflicts in data access and improve the reliability of data transmission.

In one embodiment, after step S24, after using the first communication service module to create an initial transmission queue corresponding to the initial logical channel identifier, and storing the initial transmission queue in the chip cache, the method includes: using the first communication service module , establishes a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue.

As an example, the chip uses the first communication service module to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue. For example, the chip allocates the most appropriate initial transmission queue according to the request of the first communication service module, and marks the initial logical channel identifier and the initial transmission queue as occupied. When the transmission of the data to be transmitted is completed, the initial logical channel identifier and the initial transmission queue are changed to an idle state.

In this embodiment, the chip uses the first communication service module to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used to record the current state of the initial transmission queue, which is convenient for the chip to use the first communication service module for initial The logical channel identifier is associated with the initial transmission queue, and the data transmission efficiency is mentioned.

It should be understood that the size of the sequence numbers of the steps in the above embodiments does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

In one embodiment, a chip is provided, and the chip may include, but is not limited to, a SoC chip, or other system-on-chip, and its internal structure diagram may be as shown in FIG. 2 . The chip includes a processor, a memory, a network interface, a plurality of first communication management modules 11 and a plurality of first communication service modules 12 connected through a system bus. Among them, the chip's processor is used to provide computing and control capabilities. The memory of the chip includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores a computer program and a database, and the computer program includes an operating system program and a system communication program. The internal memory provides an environment for the operation of the operating system program and the system communication program in the non-volatile storage medium. The chip's database is used to store data transmitted during multi-chip communication. The chip's network interface is used to communicate with external terminals through a network connection. The system communication program implements a multi-chip communication method when executed by the processor.

In one embodiment, a chip is provided, including a memory, a first communication management module 11, a first communication service module 12, a processor, and a system communication program stored in the memory and running on the processor, the processor The functions of the first communication management module 11 and the first communication service module 12 in this embodiment of the multi-chip communication system are implemented when the system communication program is executed, and to avoid repetition, details are not repeated here. Alternatively, when the processor executes the system communication program, the multi-chip communication method in the above-mentioned embodiment is implemented, for example, steps S11 to S15, which are not repeated here to avoid repetition.

In one embodiment, a computer-readable storage medium is provided, and a system communication program is stored on the computer-readable storage medium. When the system communication program is executed by a processor, each module in this embodiment of the above-mentioned multi-chip communication system is implemented. The functions of the /units, such as the first communication management module 11 and the first communication service module 12, are not repeated here to avoid repetition. Alternatively, when the system communication program is executed by the processor, the multi-chip communication method in the above embodiment is implemented, for example, steps S11 to S15, which are not repeated here to avoid repetition.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing the relevant hardware through a system communication program, and the system communication program can be stored in a non-volatile computer readable In the storage medium, when the system communication program is executed, it may include the processes of the embodiments of the above-mentioned methods. Wherein, any reference to memory, storage, database or other medium used in the various embodiments provided in this application may include non-volatile and/or volatile memory. Nonvolatile memory may include read only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in various forms such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous chain Road (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM) and so on.

Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example for illustration. In practical applications, the above-mentioned functions can be allocated to different functional units, Module completion, that is, dividing the internal structure of the device into different functional units or modules to complete all or part of the functions described above.

Claims (13)

1. A multi-chip communication system, characterized in that the multi-chip communication system includes a first chip and at least one second chip that communicates with the first chip, the first chip includes a first communication service module and a first a communication management module; the second chip includes a second communication service module;

   The first communication service module is configured to receive a data transmission request sent by the second communication service module, where the data transmission request includes a data address, a data attribute, a data length, a second chip identification and a request priority;

   The first communication service module is further configured to send the second chip identification to the first communication management module, and receive the target channel group identification fed back by the first communication management module and the target channel group identification Corresponding target description information;

   The first communication service module is further configured to perform matching processing on the target description information corresponding to the data length, the request priority, and the target channel group identifier, obtain the successfully matched target logical channel identifier, and use the The initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue;

   The first communication service module is further configured to acquire data to be transmitted according to the data address and the data attribute, and move the data to be transmitted to the target transmission queue;

   The first communication service module is further configured to send the data to be transmitted to the second communication service module through the target transmission queue according to the request priority.
2. The multi-chip communication system according to claim 1, wherein the first communication service module is further configured to, according to the data address and the data attribute, obtain information corresponding to the data address and the data attribute The data to be transmitted is moved to the target transmission queue by adopting a preset data transmission strategy.
3. The multi-chip communication system according to claim 1, wherein the first communication management module is further configured to detect the second chip connected to the first chip, and save the second chip corresponding to the second chip. Two chip attributes, the second chip attributes include second chip identification and chip speed information;

   The first communication management module is further configured to assign a logical channel group identifier to the second chip, and associate the logical channel group identifier with the second chip identifier;

   The first communication management module is further configured to process the chip rate information, obtain initial channel description information corresponding to the second chip, and send the initial channel description information to the first communication service module, and the The initial channel description information includes an initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers;

   The first communication service module is further configured to create an initial transmission queue corresponding to the initial logical channel identifier, and store the initial transmission queue in the chip cache.
4. The multi-chip communication system according to claim 3, wherein the first communication management module is further configured to generate the logical channel group identifier corresponding to the second chip according to preset allocation logic; the The first communication management module is further configured to associate the logical channel group identifier with the second chip identifier.
5. The multi-chip communication system according to claim 3, wherein the first communication management module is further configured to determine an initial logical channel identifier corresponding to each of the rate levels according to a preset priority policy; the The first communication management module is further configured to generate the initial channel description information corresponding to the initial logical channel identifier, and send the initial channel description information to the first communication service module.
6. The multi-chip communication system according to claim 3, wherein the first communication service module is further configured to establish a transmission service context corresponding to the initial logical channel identifier, and the transmission service context is used for recording The current state of the initial transmit queue.
7. A multi-chip communication method, characterized by being applied to a multi-chip communication system, the multi-chip communication system comprising a first chip and at least one second chip communicating with the first chip, the first chip comprising A first communication service module and a first communication management module, the second chip includes a second communication service module, and the multi-chip communication method includes:

   Using the first communication service module to receive a data transmission request sent by the second communication service module, where the data transmission request includes a data address, a data attribute, a data length, a second chip identifier and a request priority;

   Using the first communication service module, sending the second chip identification to the first communication management module, and receiving the target channel group identification fed back by the first communication management module and corresponding to the target channel group identification target description information;

   Using the first communication service module, the data length, the request priority, and the target description information corresponding to the target channel group identifier are matched to obtain the successfully matched target logical channel identifier, and the chip cache The initial transmission queue corresponding to the target logical channel identifier is determined as the target transmission queue;

   Using the first communication service module, obtain the data to be transmitted according to the data address and the data attribute, and move the data to be transmitted to the target transmission queue;

   Using the first communication service module, according to the request priority, the data to be transmitted is sent to the second communication service module through the target transmission queue.
8. The multi-chip communication method according to claim 7, wherein the first communication service module is used to acquire the data to be transmitted according to the data address and the data attribute, and move the data to be transmitted to the target transmission queue, including:

   Using the first communication service module, according to the data address and the data attribute, the to-be-transmitted data corresponding to the data address and the data attribute is acquired, and a preset data transmission strategy is used to transfer the to-be-transmitted data. The transmission data is moved to the target transmission queue.
9. The multi-chip communication method according to claim 7, characterized in that, before the first communication service module is used to receive the data transmission request sent by the processor, the method further comprises the following steps performed by the first chip:

   Using the first communication management module, detecting a second chip connected to the chip, and saving a second chip attribute corresponding to the second chip, where the second chip attribute includes a second chip identifier and chip rate information;

   Using the first communication management module, assigning a logical channel group identifier to the second chip, and associating the logical channel group identifier with the second chip identifier;

   Using the first communication management module, the chip rate information is processed, the initial channel description information corresponding to the second chip is obtained, and the initial channel description information is sent to the first communication service module, and the initial channel description information is sent to the first communication service module. The description information includes an initial logical channel identifier corresponding to the second chip identifier, and the initial logical channel identifier is one of the logical channel group identifiers;

   Using the first communication service module, an initial transmission queue corresponding to the initial logical channel identifier is created, and the initial transmission queue is stored in the chip cache.
10. The multi-chip communication method according to claim 9, wherein the first communication management module is used to assign a logical channel group identifier to the second chip, and the logical channel group identifier is associated with the second chip identifier. associations, including:

    Using the first communication management module to generate the logical channel group identifier corresponding to the second chip according to preset allocation logic;

    Using the first communication management module, the logical channel group identifier is associated with the second chip identifier.
11. The multi-chip communication method of claim 9, wherein the chip rate information includes at least one rate level;

    The step of using the first communication management module to process the chip rate information, acquiring the initial channel description information corresponding to the second chip, and sending the initial channel description information to the first communication service module, includes:

    Using the first communication management module, according to a preset priority policy, determine the initial logical channel identifier corresponding to each of the rate levels;

    Using the first communication management module, the initial channel description information corresponding to the initial logical channel identifier is generated, and the initial channel description information is sent to the first communication service module.
12. The multi-chip communication method according to claim 9, wherein the first communication service module is used to create an initial transmission queue corresponding to the initial logical channel identifier, and the initial transmission queue is stored in a After the chip cache, including:

    Using the first communication service module, a transmission service context corresponding to the initial logical channel identifier is established, and the transmission service context is used to record the current state of the initial transmission queue.
13. A chip comprising a memory, a processor, and a system communication program stored in the memory and running on the processor, wherein the processor implements the system communication program as claimed in claim 7 when the processor executes the system communication program The multi-chip communication method described in any one of to 12.

    A computer-readable storage medium storing a system communication program, characterized in that, when the system communication program is executed by a processor, the multi-chip communication according to any one of claims 7 to 12 is implemented method.