CN112214437B - Storage device, communication method and device and computer readable storage medium - Google Patents
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- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
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Abstract
The application discloses a storage device, a communication method, a communication device and a computer readable storage medium, wherein the storage medium comprises: the system comprises a CPU and an SAS interface, wherein the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS business link; and the main program in the CPU performs information interaction with the SES program in the SAS through the target link. In the application, because the CPU of the storage device is connected with the SAS interface through the target link, and the target link is a non-SAS business link, the information transmission capability of the target link is not limited by the SAS business link, so that the stability is not affected by the SAS business link if the main program and the SES program carry out information interaction through the target link, and compared with the prior art in which information interaction is carried out between the main program and the SES program through the SAS business link, the success rate of information transmission in the storage device can be improved.
Description
Technical Field
The present application relates to the field of storage device technologies, and in particular, to a storage device, a communication method, an apparatus, and a computer-readable storage medium.
Background
The storage device is used for processing mass data transmitted between the server and the hard disk with high reliability and high speed as requirements, the storage device comprises a Central Processing Unit (CPU) and a Serial Attached small computer system interface (SAS) hard disk, the CPU is connected with the SAS hard disk through the SAS interface, and a main program in the CPU and an SES program in the SAS interface transmit information through an SAS service link. However, it is easy to happen that the main program cannot transmit information with the SES program in the storage device.
In summary, how to improve the success rate of information transmission in a storage device is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The application aims to provide a storage device, which can solve the technical problem of how to improve the success rate of information transmission in the storage device to a certain extent. The application also provides a storage device communication method, a storage device communication device and a computer readable storage medium.
In order to achieve the above purpose, the present application provides the following technical solutions:
a storage device, comprising: the system comprises a CPU and an SAS interface, wherein the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS business link;
and the main program in the CPU carries out information interaction with the SES program in the SAS through the target link.
Preferably, the target link comprises an I2C link.
Preferably, the information interaction between the main program in the CPU and the SES program in the SAS interface through the target link includes:
the main program transmits a target instruction to the SES program through the target link;
after receiving the target instruction, the SES program judges whether a task queue of the SES program is full, if the task queue is not full, first mark information representing that the target instruction is received is sent to the main program through the target link, and if the task queue is full, second mark information representing that the SES program is busy is sent to the main program through the target link;
and if the main program receives the second mark information, after waiting for a first preset time, executing the step of transmitting a target instruction to the SES program through the target link.
Preferably, the information interaction between the main program in the CPU and the SES program in the SAS interface through the target link includes:
the main program sends query information for querying whether the target task is completed to the SES program through the target link;
after receiving the query information, the SES program judges whether the target task is completed, if the target task is not completed, third flag information for representing that the target task is not completed is sent to the main program through the target link, and if the target task is completed, fourth flag information for representing that the target task is completed is sent to the main program through the target link;
and if the main program receives the third flag information, waiting for a second preset time length, and executing the step of sending query information for querying whether the target task is completed to the SES program through the target link.
Preferably, before the step of waiting for a second preset duration and executing the query information for querying whether the target task is completed is sent to the SES program through the target link, the method further includes:
if the main program receives the third mark information, accumulating the real-time times of receiving the third mark information;
judging whether the real-time times are larger than preset times or not;
if the real-time times are less than or equal to the preset times, executing the step of waiting for a second preset time length and executing the step of sending query information for querying whether the target task is completed to the SES program through the target link;
and if the real-time times are greater than the preset times, sending fifth mark information representing that the target task is stopped to the SES program through the target link.
Preferably, before the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, the method further includes:
the main program obtains service configuration parameters through the target link;
and the main program carries out service configuration based on the service configuration parameters.
Preferably, the information interaction between the main program in the CPU and the SES program in the SAS interface through the target link includes:
when the SAS service link between the main program and the SES program is normal, the main program and the SES program perform SES protocol additional data interaction through the target link;
and when the SAS service link between the main program and the SES program is abnormal, the main program and the SES program perform interaction of all data through the target link.
A storage device communication method is applied to a main program in a storage device and comprises the following steps:
performing information interaction with an SES program in an SAS through a target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected to the SAS interface through the target link, and the target link is a non-SAS service link.
A storage device communication device is applied to a CPU in a storage device, and comprises:
the first information interaction module is used for the main program to perform information interaction with the SES program in the SAS through the target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected to the SAS interface through the target link, and the target link is a non-SAS service link.
A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the storage device communication method as claimed in claim 8.
The application provides a storage device, includes: the system comprises a CPU and an SAS interface, wherein the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS business link; and the main program in the CPU carries out information interaction with the SES program in the SAS through the target link. In the application, because the CPU of the storage device is connected with the SAS interface through the target link, and the target link is a non-SAS business link, the information transmission capability of the target link is not limited by the SAS business link, so that the stability is not affected by the SAS business link if the main program and the SES program carry out information interaction through the target link, and compared with the prior art in which information interaction is carried out between the main program and the SES program through the SAS business link, the success rate of information transmission in the storage device can be improved. The storage device communication method, the storage device communication device and the computer readable storage medium solve the corresponding technical problems.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a storage device according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of information interaction between a main program and an SES program through a target link.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The storage device is used for processing mass data transmitted between the server and the hard disk with high reliability and high speed as requirements, the storage device comprises a Central Processing Unit (CPU) and a Serial Attached small computer system interface (SAS) hard disk, the CPU is connected with the SAS hard disk through the SAS interface, and a main program in the CPU and an SES program in the SAS interface transmit information through an SAS service link. The main tasks of the SES program are as follows: the peripheral states of the equipment, such as information of a fan, voltage, the fan and the like, are read in a high-frequency circulation mode, and abnormity judgment is carried out; when the abnormal state is judged to occur, reporting the state and the information to an EM (enclosure management) thread in the main thread; receiving and executing a control instruction sent by an EM thread; some self-control processing can be performed in the SES program, for example, when the temperature of the chassis is detected, the rotating speed of the fan is automatically adjusted according to a fan rotating speed strategy. The main tasks of the EM thread in the main program are as follows: receiving data and state sent by the SES program, and updating internal data; when an abnormal state exists, an alarm which can be visually checked by a user is initiated, and the main system is informed whether other processing is required for the abnormality or not, for example, whether shutdown protection is required or not when the temperature of some key elements is ultrahigh; when the main system controls certain hardware in the program operation, the hardware is issued to the SES program through the EM thread, and the SES program actually controls the hardware, such as reading and writing VPD configuration information, and lighting a certain abnormal control lamp.
However, the main flows of the main program and the SES program on each platform are consistent, so that code normalization is achieved, that is, a set of programs can be run on a plurality of devices by identifying different configuration parameters, and the SAS link of each device has different configuration parameters, such as device model, SAS address, node network IP address, service related parameters, and the like; and the configuration parameter is stored in an EEPROM (Electrically Erasable Programmable read only memory), connected to the SAS interface, and first obtained by the SES program, because the main program and the SES program have the same main service on each device, the SAS service link also needs to be configured to normally operate, and SAS service links between the devices are different, so that, at the initial starting stage of the system, the SAS unknown address and the SAS service link connection state cannot be directly configured, the SAS service link cannot be used for communication of the SES program to obtain data, at this time, the situation that the main program cannot transmit information with the SES program occurs, and in addition, when the SAS service link or the transmission information does not match the SAS service link, information interaction failure between the main program and the SES program may be caused.
The storage device provided by the application can improve the success rate of information transmission in the storage device.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a memory device according to an embodiment of the present disclosure.
The storage device 10 provided in the embodiment of the present application may include: the system comprises a CPU11, an SAS interface 12, a target link 13 connected between the CPU and the SAS interface, wherein the target link is a non-SAS business link;
and the main program in the CPU carries out information interaction with the SES program in the SAS through the target link.
It should be noted that, in the present application, it is not limited that the CPU and the SAS interface cannot be connected through the SAS service link, that is, in an actual application scenario, the CPU and the SAS interface may be connected with both the target link and the SAS service link. In addition, the storage device in the present application may further include an SAS hard disk, an EEPROM, and the like, which is not specifically limited herein.
The application provides a storage device, including: the system comprises a CPU and an SAS interface, wherein the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS business link; and the main program in the CPU performs information interaction with the SES program in the SAS through the target link. In the application, because the CPU of the storage device is connected with the SAS interface through the target link, and the target link is a non-SAS business link, the information transmission capacity of the target link is not limited by the SAS business link, so that when the main program and the SES program carry out information interaction through the target link, the stability is not influenced by the SAS business link.
In a storage device provided in an embodiment of the present application, a type of a target link may be determined according to actual needs, for example, the target link may be an I2C link.
Referring to fig. 2, fig. 2 is a flowchart illustrating information interaction between a main program and an SES program through a target link.
In a storage device provided in an embodiment of the present application, in a process in which a main program in a CPU performs information interaction with an SES program in an SAS interface through a target link, the method may include the following steps:
the main program transmits a target instruction to the SES program through a target link;
after receiving the target instruction, the SES program judges whether a task queue of the SES program is full, if the task queue is not full, first mark information for representing that the target instruction is received is sent to the main program through the target link, and if the task queue is full, second mark information for representing that the SES program is busy is sent to the main program through the target link;
and if the main program receives the second mark information, after waiting for the first preset time, executing the step of transmitting the target instruction to the SES program through the target link.
That is, in this embodiment, whether a target instruction transmitted through the target link can be processed or not may be determined between the main program and the SES program through the first flag information and the second flag information, and types of the first flag information and the second flag information may be determined according to actual needs, for example, the first flag information may be accept, and the second flag information may be BUSY.
Referring to fig. 2, in a storage device provided in an embodiment of the present application, a process in which a main program in a CPU performs information interaction with an SES program in an SAS interface through a target link may include the following steps:
the main program sends query information for querying whether the target task is completed to the SES program through the target link;
after receiving the query information, the SES program judges whether the target task is completed, if the target task is not completed, third mark information for representing that the target task is not completed is sent to the main program through the target link, and if the target task is completed, fourth mark information for representing that the target task is completed is sent to the main program through the target link;
and if the main program receives the third mark information, waiting for a second preset time length, and executing the step of sending query information for querying whether the target task is completed to the SES program through the target link.
That is, IN this embodiment, whether the target task is completed or not may be determined between the main program and the SES program through the third flag information and the fourth flag information, and the types of the third flag information and the fourth flag information may be determined according to actual needs, for example, the third flag information may be IN _ PROGRESS, and the fourth flag information may be DONE.
Referring to fig. 2, in a storage device provided in the embodiment of the present application, before a main program waits for a second preset duration and executes a step of sending query information for querying whether a target task is completed to an SES program through a target link, the following steps may also be executed:
if the main program receives the third mark information, accumulating the real-time times of receiving the third mark information;
judging whether the real-time times are greater than preset times or not;
if the real-time times are less than or equal to the preset times, executing a step of waiting for a second preset time length and sending query information for querying whether the target task is completed or not to the SES program through the target link;
and if the real-time times are greater than the preset times, sending fifth mark information representing the stop target task to the SES program through the target link.
That is, in this embodiment, whether the target task cannot be completed between the main program and the SES program may be determined by the fifth flag information, and the type of the fifth flag information may be determined according to actual needs, for example, the fifth flag information may be ABORT and the like.
In practical applications, when the SES program cannot provide the main program with the required data, the SES program may further send sixth flag information indicating that data reading fails to the main program through the target link, and the type of the sixth flag information may be determined according to actual needs, for example, the sixth flag information may be a false.
In the storage device provided in the embodiment of the present application, before the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, the following steps may also be performed:
the main program obtains service configuration parameters through a target link;
and the main program carries out service configuration based on the service configuration parameters.
That is, in this embodiment, under the condition that the service is not configured, the main program may directly obtain the service configuration parameter through the target link, and perform service configuration based on the service configuration parameter to configure the service quickly, and the type of the service configuration parameter may be determined according to actual needs, for example, the service configuration parameter may include SAS service link configuration information, product model information, network information, and the like.
In the storage device provided in the embodiment of the present application, in a process in which a main program in a CPU performs information interaction with an SES program in an SAS interface through a target link, the method may include the following steps:
when an SAS service link between the main program and the SES program is normal, the main program and the SES program carry out SES protocol additional data interaction through a target link;
when the SAS business link between the main program and the SES program is abnormal, the main program and the SES program carry out interaction of all data through a target link.
That is, in this embodiment, under the condition that the SAS service link between the main program and the SES program is normal, the main program and the SES program may perform interaction of the SES protocol additional data only through the target link, so as to perform data interaction quickly; and under the condition that the SAS business link between the main program and the SES program is abnormal, the main program and the SES program can carry out interaction of all data through the target link so as to ensure the success rate of data interaction.
The embodiment of the present application further provides a storage device communication method, which is applied to a main program in a storage device, and may include the following steps:
performing information interaction with an SES program in an SAS through a target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS service link.
The description of each step in the storage device communication method provided in the embodiment of the present application may refer to the foregoing embodiment, and is not described herein again.
The embodiment of the present application further provides a storage device communication apparatus, which is applied to a CPU in a storage device, and includes:
the first information interaction module is used for the main program to perform information interaction with the SES program in the SAS through the target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS service link.
The description of each step in the storage device communication apparatus provided in the embodiment of the present application may refer to the foregoing embodiments, and is not described here again.
The computer-readable storage medium provided in the embodiments of the present application stores a computer program, and when the computer program is executed by a processor, the steps of the storage device communication method described in any of the above embodiments are implemented.
The computer-readable storage media to which this application relates include Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage media known in the art.
For a description of a relevant part in the storage device communication method, the storage device communication apparatus, and the computer-readable storage medium provided in the embodiments of the present application, please refer to the detailed description of the corresponding part in the storage device provided in the embodiments of the present application, which is not described herein again. In addition, parts of the above technical solutions provided in the embodiments of the present application, which are consistent with the implementation principles of corresponding technical solutions in the prior art, are not described in detail so as to avoid redundant description.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A storage device, comprising: the system comprises a CPU and an SAS interface, wherein the CPU is connected with the SAS interface through a target link, and the target link is a non-SAS business link;
the main program in the CPU carries out information interaction with the SES program in the SAS through the target link;
wherein, the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, and the information interaction comprises the following steps:
the main program transmits a target instruction to the SES program through the target link;
after receiving the target instruction, the SES program judges whether a task queue of the SES program is full, if the task queue is not full, first mark information representing that the target instruction is received is sent to the main program through the target link, and if the task queue is full, second mark information representing that the SES program is busy is sent to the main program through the target link;
and if the main program receives the second mark information, after waiting for a first preset time, executing the step of transmitting a target instruction to the SES program through the target link.
2. The storage device of claim 1, wherein the target link comprises an I2C link.
3. The storage device according to claim 1, wherein the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, including:
the main program sends query information for querying whether the target task is completed to the SES program through the target link;
after receiving the query information, the SES program judges whether the target task is completed, if the target task is not completed, third flag information for representing that the target task is not completed is sent to the main program through the target link, and if the target task is completed, fourth flag information for representing that the target task is completed is sent to the main program through the target link;
and if the main program receives the third flag information, waiting for a second preset time length, and executing the step of sending query information for querying whether the target task is completed to the SES program through the target link.
4. The storage device of claim 3, wherein the main program waits for a second preset duration before the step of sending the query information for querying whether the target task is completed to the SES program through the target link is executed, further comprising:
if the main program receives the third mark information, accumulating the real-time times of receiving the third mark information;
judging whether the real-time times are greater than preset times or not;
if the real-time times are less than or equal to the preset times, executing the step of waiting for a second preset time length and executing the step of sending query information for querying whether the target task is completed to the SES program through the target link;
and if the real-time times are greater than the preset times, sending fifth mark information representing that the target task is stopped to the SES program through the target link.
5. The storage device according to claim 1, wherein before the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, the method further comprises:
the main program obtains service configuration parameters through the target link;
and the main program carries out service configuration based on the service configuration parameters.
6. The storage device according to any one of claims 1 to 5, wherein the main program in the CPU performs information interaction with the SES program in the SAS interface through the target link, and the method comprises the following steps:
when the SAS business link between the main program and the SES program is normal, the main program and the SES program carry out SES protocol additional data interaction through the target link;
and when the SAS service link between the main program and the SES program is abnormal, the main program and the SES program perform interaction of all data through the target link.
7. A storage device communication method is applied to a main program in a storage device and comprises the following steps:
performing information interaction with an SES program in an SAS through a target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected with the SAS interface through the target link, and the target link is a non-SAS service link;
wherein, the information interaction with the SES program in the SAS interface through the target link comprises:
transmitting a target instruction to the SES program through the target link, so that the SES program judges whether a task queue of the SES program is full after receiving the target instruction, if the task queue is not full, first mark information representing that the target instruction is received is sent to the main program through the target link, and if the task queue is full, second mark information representing that the SES program is busy is sent to the main program through the target link;
and if the second mark information is received, after waiting for a first preset time, executing the step of transmitting the target instruction to the SES program through the target link.
8. A storage device communication apparatus, applied to a CPU in a storage device, includes:
the first information interaction module is used for the main program to perform information interaction with the SES program in the SAS through the target link;
the main program is a program in a CPU of the storage device, the SES program is a program in an SAS interface of the storage device, the CPU is connected with the SAS interface through the target link, and the target link is a non-SAS service link;
the first information interaction module is specifically configured to: transmitting a target instruction to the SES program through the target link, so that the SES program judges whether a task queue of the SES program is full after receiving the target instruction, if the task queue is not full, first flag information representing that the target instruction is received is sent to the main program through the target link, and if the task queue is full, second flag information representing that the SES program is busy is sent to the main program through the target link; and if the second flag information is received, after waiting for a first preset time, executing the step of transmitting the target instruction to the SES program through the target link.
9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the storage device communication method according to claim 7.
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| CN112214437A (en) | 2021-01-12 |
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