CN212785408U - PCIe cloud platform resource pooling device - Google Patents
PCIe cloud platform resource pooling device Download PDFInfo
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- CN212785408U CN212785408U CN202021832263.6U CN202021832263U CN212785408U CN 212785408 U CN212785408 U CN 212785408U CN 202021832263 U CN202021832263 U CN 202021832263U CN 212785408 U CN212785408 U CN 212785408U
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Abstract
The utility model discloses a PCIe cloud platform resource pooling device, which comprises a plurality of hosts, wherein each host is respectively connected with at least one main PCIe exchanger, and each main PCIe exchanger is connected with at least one auxiliary PCIe exchanger; all PCIe switches of all hosts are mutually connected in pairs, wherein all the PCIe switches of the hosts comprise a main PCIe switch and an auxiliary PCIe switch; the system also comprises a main controller, wherein the main controller is connected with all PCIe switches of all the hosts and is connected with all the hosts. The device interconnects all PCIe switches of all hosts and uses the main controller to control, so that each host can use the PCIe switches of other hosts, all PCIe switches form a PCIe resource pool, PCIe device resources which can be divided by a user are not limited by the hosts, PCIe resources can be distributed and deployed more flexibly, and the existing server cloud ecological environment is seamlessly butted.
Description
Technical Field
The utility model relates to a PCIe device field, concretely relates to PCIe cloud platform resource pooling device.
Background
The PCIe SW (switch) is a chip for expanding a PCIe interface, the PCIe interface is a mainstream interface at present, almost all devices for high-speed signals use PCIe, and the PCIe interface provided by the CPU is usually limited, so the PCIe SW is required to expand the PCIe interface, and thus, the entire system can be connected to more PCIe devices. At present, PCIe cloud service manufacturers almost adopt a single-machine single-card or single-machine multi-card binding mode, that is, one card is inserted into one server or a chip is directly configured, or a plurality of cards are inserted into one server, in this machine-card binding mode, PCIe SW is tightly coupled with a CPU, a user can only access and use the PCIe SW card through the CPU on a host side, and a PCIe device that can be used by each user is limited by the number of PCIe SW boards or chips that are bound, there is no direct data communication link between the chips, and if there is a communication requirement between the chips, data must be forwarded through a network. This cannot meet the flexible deployment requirement of services, and further cannot form an effective distributed acceleration architecture. In the above mode of machine-card binding, the PCIe SW boards are independent and separate, and the devices from upstream to downstream are limited to use and transmit, and resource pooling cannot be formed.
Disclosure of Invention
In order to solve the problem, the utility model provides a PCIe cloud platform resource pooling device, PCIe interchanger connect communication between different host computers realizes PCIe cloud platform resource pooling.
The technical scheme of the utility model is that: a PCIe cloud platform resource pooling device comprises a plurality of hosts, wherein each host is respectively connected with at least one main PCIe exchanger, and each main PCIe exchanger is connected with at least one auxiliary PCIe exchanger; all PCIe switches of all hosts are mutually connected in pairs, wherein all the PCIe switches of the hosts comprise a main PCIe switch and an auxiliary PCIe switch;
the system also comprises a main controller, wherein the main controller is connected with all PCIe switches of all the hosts and is connected with all the hosts.
Further, the main controller is connected with a sub-controller in the PCIe switch.
Furthermore, the PCIe switch internal controller is an MCU chip.
Further, for the PCIe exchanger without the sub-controllers inside, an external sub-controller is separately connected, and the PCIe exchanger is connected with the main controller through the external sub-controller.
Furthermore, the external sub-controller of the PCIe exchanger is an MCU chip.
Further, the main controller is an MCU chip or a BMC chip.
Furthermore, the device comprises two hosts, wherein each host is connected with a main PCIe exchanger, and the main PCIe exchanger is connected with a sub-PCIe exchanger.
The utility model provides a pair of PCIe cloud platform resource pooling device, all PCIe interchangers of each host computer are interconnected to use main control unit to control, make every host computer all can use the PCIe interchanger of other host computers, all PCIe interchangers form PCIe resource pool, the PCIe device resource that the user can divide is not receiving the restriction of host computer, makes PCIe resource can distribute more in a flexible way, deploy, and seamless butt joint current server cloud ecological environment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure, 1-host, 2-primary PCIe switch, 3-secondary PCIe switch, and 4-primary controller.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1, the present embodiment provides a PCIe cloud platform resource pooling device, including a plurality of hosts 1, each host 1 is connected to at least one primary PCIe switch 2, and each primary PCIe switch 2 is connected to at least one secondary PCIe switch 3; all the PCIe switches of all the hosts 1 are mutually connected in pairs, wherein all the PCIe switches of the hosts 1 comprise a main PCIe switch 2 and an auxiliary PCIe switch 3.
Fig. 1 may include two hosts 1, each host 1 being connected to a primary PCIe switch 2, and the primary PCIe switch 2 being connected to a secondary PCIe switch 3. The four PCIe switches are interconnected two by two. The host 1 may be a CPU.
All PCIe switches form a PCIe resource pool.
The device also comprises a main controller 4, wherein the main controller 4 is connected with all PCIe switches of all the hosts 1 and is connected with all the hosts 1 to manage all the hosts 1 and all the PCIe switches. When one of the hosts 1 needs to use the PCIe device of the other host 1, the host controller 4 sets the other host 1 as a virtual PCIe device, and allows the host 1 that needs to use the resource to use the other host 1 as the PCIe device, thereby implementing that multiple hosts 1 exist and use the PCIe device of the host 1 at the same time.
Specifically, in this embodiment, the main controller 4 is connected to a sub-controller in the PCIe switch. The PCIe switch internal controller can be an MCU chip.
For the PCIe exchanger without the sub-controller inside, an external sub-controller is separately connected, and the PCIe exchanger is connected with the main controller 4 through the external sub-controller. The external controller of the PCIe switch can be an MCU chip.
In addition, the main controller 4 of the present embodiment may be an MCU chip or a BMC chip.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any person skilled in the art can think of the inventive changes, and several improvements and decorations made without departing from the principle of the present invention should fall within the protection scope of the present invention.
Claims (7)
1. A PCIe cloud platform resource pooling device is characterized by comprising a plurality of hosts, wherein each host is respectively connected with at least one main PCIe exchanger, and each main PCIe exchanger is connected with at least one auxiliary PCIe exchanger; all PCIe switches of all hosts are mutually connected in pairs, wherein all the PCIe switches of the hosts comprise a main PCIe switch and an auxiliary PCIe switch;
the system also comprises a main controller, wherein the main controller is connected with all PCIe switches of all the hosts and is connected with all the hosts.
2. The PCIe cloud platform resource pooling device of claim 1, wherein a master controller is connected with a sub-controller within a PCIe switch.
3. The PCIe cloud platform resource pooling device of claim 2, wherein the PCIe switch internal controller is an MCU chip.
4. The PCIe cloud platform resource pooling device of claim 2, wherein an external sub-controller is separately connected to the PCIe switch without the sub-controller inside, and the PCIe switch is connected to the main controller through the external sub-controller.
5. The PCIe cloud platform resource pooling device of claim 4, wherein the external controller of the PCIe switch is an MCU chip.
6. The PCIe cloud platform resource pooling device of any of claims 1-5, wherein the main controller is an MCU chip or a BMC chip.
7. The PCIe cloud platform resource pooling device of claim 6, comprising two hosts, each host connected to a primary PCIe switch, the primary PCIe switch connected to a secondary PCIe switch.
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CN202021832263.6U CN212785408U (en) | 2020-08-28 | 2020-08-28 | PCIe cloud platform resource pooling device |
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CN202021832263.6U CN212785408U (en) | 2020-08-28 | 2020-08-28 | PCIe cloud platform resource pooling device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113709066A (en) * | 2021-07-31 | 2021-11-26 | 浪潮电子信息产业股份有限公司 | PCIe communication device and BMC |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113709066A (en) * | 2021-07-31 | 2021-11-26 | 浪潮电子信息产业股份有限公司 | PCIe communication device and BMC |
CN113709066B (en) * | 2021-07-31 | 2023-04-07 | 浪潮电子信息产业股份有限公司 | PCIe communication device and BMC |
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