JPH04309152A - Information processing system - Google Patents

Abstract

PURPOSE:To improve throughput for testing an I/O device to be executed by using interpreter control. CONSTITUTION:A parameter decode processing part 122 decodes a parameter and prepares a table. An I/O service processing part 123 commands an I/O operation to the I/O device based on the table prepared by the parameter decode processing part 122. An I/O check processing part 124 checks the result of the I/O operation based on the table prepared by the parameter decode processing part 122. A device control part 121 independently controls the execution of the respective parts. Thus, even while executing the testing operation of the I/O device, the next parameter decode processing or the like to the I/O device can be executed.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for testing input/output devices and communication control devices in an information processing system.

0002

2. Description of the Related Art In some cases, an information processing system is provided with a test function for input/output devices (hereinafter referred to as "I/O devices") for inspection at the time of shipment and failure analysis during maintenance after shipment.

Conventional technology for testing I/O devices uses an interpreter method to decode parameters, service I/O devices, and perform input/output operations (hereinafter referred to as "
A technique is known that sequentially performs each process of "I/O operation") result checking.

[0004] This type of technology is disclosed in Japanese Patent Application Laid-Open No.
A technique is known that uses an interpreter to sequentially execute object code, which is described in Japanese Patent No. 96244.

[0005]

[Problems to be Solved by the Invention] According to the above-mentioned prior art, there are problems in terms of processing performance, such as the inability to decode the next parameter until the I/O operation is completed after startup of the I/O device. There was a problem.

[0006] Therefore, there has been a problem in that it is not possible to sufficiently perform tests in which a plurality of I/O devices are multiplexed.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to improve the test processing ability of I/O devices in an information processing system.

[0008]

[Means for solving the problem] In order to achieve the above objective,
The present invention provides an information processing device and an I/O device connected to the information processing device.
An information processing system configured to include an I/O device, the information processing device having at least an operation parameter that defines the content of a test operation of the I/O device, and a result parameter that is an expected value regarding the result of the test operation. - storage means for storing test parameters including test parameters; and a storage means for decoding the test parameters stored in the storage means, and transmitting the test operation to the I/O device based on the decoded operation parameters. Parameters for creating a service table that stores input/output data used for input/output commands to perform the test operation, and a check table that stores expected value data regarding the result of the test operation from the result parameter. - a data decoding processing unit; a service processing unit that issues input/output commands to the I/O device based on the input/output data in the service table; and an expected value in the check table. A check processing unit that checks whether the operation result of the input/output command of the I/O device is as expected based on the data, the parameter decoding processing unit, and the service processing unit. An information processing system is provided, comprising: a control unit that independently controls execution with the processing unit.

[0009] In this information processing system, when a test with the same content is repeated, the control unit of the information processing device executes the parameter decoding processing unit in the second and subsequent tests. The service created by the parameter decoding processing section during the first test execution without
It is desirable to control each part to execute the test using the bus table and the check table.

[0010] The information processing apparatus further includes an external storage device connected to the information processing apparatus, and a control section of the information processing apparatus reads the service table and check table created by the parameter decoding processing section. and a storage means for storing the service table and check table in the external storage device, and a reading device for reading out the service table and the check table from the external device when executing a test corresponding to the service table and check table stored in the external storage device. means, the read service table and the check table.
The test apparatus may also include an execution control means for controlling each of the sections to execute the test using a bull.

[0011] Furthermore, in order to achieve the above object, the present invention provides:
The service stage created by the parameter decoding processing unit
Based on the information processing system having a function of providing tables and check tables to other information processing systems, and the input/output data in the provided service table,
a service processing unit that issues input/output commands to the I/O device;
a check processing unit that checks whether the operation result of the input/output command of the I/O device is as expected based on the expected value data in the provided check table; and a service processing unit. a second information processing system including a second information processing device having a control unit that controls execution of the check processing unit and the check processing unit; and an I/O device connected to the second information processing device; The present invention also provides a complex information processing system characterized by being configured to include the following.

The present invention also provides an information processing system that similarly tests a communication control device instead of the I/O device;
It also provides complex information processing systems.

[0013]

[Operation] According to the information processing system of the present invention, the information processing device decodes the test parameters stored in the storage means, and performs the test operation on the I/O device based on the decoded operation parameters. Create a service table that stores input/output data used for input/output commands to perform the test operation, and a check table that stores expected value data regarding the result of the test operation from the result parameter. A parameter decoding processing section, a service processing section that issues input/output commands to the I/O device based on the input/output data in the service table, and an expectation processing section in the check table. A check processing section that checks whether the operation result of the input/output command of the I/O device is as expected based on the value data is provided separately, and the control section independently executes each operation. Control.

[0014] This makes it possible to perform the next parameter decoding process for the I/O device while the test operation of the I/O device is being performed, thereby reducing system idle time.

[0015] In this information processing system, when a test with the same content is repeated, the control unit of the information processing device executes the parameter decoding processing unit in the second and subsequent tests. The service created by the parameter decoding processing section during the first test execution without
If each part is controlled to execute the test using the bus table and the check table, the parameter
This eliminates the need for data decoding processing and improves processing capacity.

[0016] Furthermore, if the service table and check table once stored in the provided external storage device are reused, the service table accumulated over a long period of time can be and the above-mentioned check table can be used.

[0017] Furthermore, by receiving and using the service table and the check table from another information processing system, duplication of processing between the information processing systems can be avoided, and , the connected I/O devices can be tested simultaneously and at high speed.

[0018]

[Embodiment] An embodiment of the information processing system according to the present invention will be described below.

First, FIG. 1 shows the configuration of an information processing system according to this embodiment.

As shown in the figure, the information processing system according to this embodiment includes an information processing device 110 and a plurality of I/O devices 111 to 11n connected to the information processing device.

In order to test the I/O device, the information processing device includes a device control section 121 that manages the transfer of control to each section, a parameter decoding processing section 122 that decodes parameters, An I/O device that instructs an I/O device to perform an I/O operation based on the decoding result of the parameter decoding processing unit 122.
It has a service processing section 123, an I/O check processing section 124 that checks I/O operation results, and an I/O interrupt processing section 125 that processes interrupts from I/O.

In this embodiment, each of these sections will be explained as a test program stored in a memory provided in the information processing apparatus and executed.

Next, the parameters decoded by the parameter decoding processing section 122 will be explained.

Parameters are prepared as a parameter set for each set of parameters for performing one test on one I/O device.

The parameters included in one parameter set vary depending on the I/O device to be tested and the content of the test, but in general, the parameters that define the test operation of the I/O device, Contains parameters that define the expected results of test operation of the equipment. For example, if the I/O device to be tested is a magnetic disk device, the parameters that define the test operation should be CCW (channel control word) data, and the expected value parameters should be Data such as CSW (channel status word) can be used.

In this embodiment, the CCW (channel control word) data and CSW (channel status word) data are used as parameters.

Next, FIG. 2 shows the structure of a table used to execute an I/O device test program.

As shown in the figure, the tables used to execute the test program for the I/O device include device tables 211 to 21n created for each I/O device, and an execution program that includes test program management information. table 22
1. I/O service tables 231 to 23n that contain information necessary for I/O services, I/O check tables 241 to 24n that store I/O service execution results, etc.
It is composed of expected value data tables 251 to 25n containing expected value data for the execution results of I/O services. The test program 222 is managed under the execution program table 221.

Note that each of these tables is configured in the memory within the information processing device.

FIG. 3 shows the execution program table 22.
The details of 1 are shown below.

The execution program table includes a test program start address 311 that stores the start address where the test program is stored, a parameter address 312 that stores the addresses of test parameters in the test program,
A parameter decoding completed flag 313 indicating that decoding of all test parameters has been completed, and a control section 121 which is a flag requesting control transfer from the parameter decoding processing section 122 to the control section 121. a control transition flag 314, a test end flag 315 indicating the end of the test,
Re-execution request flag 3 that requests re-execution of the test program
It consists of 16 pieces.

FIG. 4 shows details of the device table 211.

The device table 211 includes an I/O service table start address 321 indicating the start address where the I/O service table is stored, and an I/O service table start address 321 indicating the start address where the I/O service table is stored.
I/O service table pointer 322 indicating the address of the /O service table, I/O check table start address 323 indicating the start address storing the I/O check table, and then The I/O check table pointer 324 indicates the address of the I/O check table to be processed, and the I/O service table pointer indicates the I/O service table being processed. I/O
It consists of a service table address 325 and an I/O service flag 326 indicating that the I/O service is being executed.

FIG. 5 shows the I/O service table 23.
The details of 2 are shown below.

The I/O service table is a next table indicating the address of the I/O service table to be executed next.
CCW address 332 indicating the address of CCW (channel command word), I/O check table address 333, I/O service request flag 3
34, I/O indicating the condition of I/O service termination status
It is composed of O service termination conditions 335.

FIG. 6 shows the I/O check table 24.
The details of 1 are shown below.

The I/O check table includes a next table address 341 indicating the address of the I/O check table to be checked next, and a CSW (channel state word).
Expected value CSW 342 that stores the expected value of , Result CS
It consists of a result value CSW 343 that stores W, an expected value data table address 344 that stores the address of the expected value data table for the I/O service execution result, and an I/O check request flag 345. Ru.

The test operation of the I/O device will be explained below.

First, the parameter decoding processing section 122, I/
The operation of the device control section 121 that manages control transfer to the O service processing section and the I/O check processing section will be explained.

FIG. 7 shows the processing procedure of the device control section 121.

As shown in the figure, the device control unit 121 first determines in step 711 whether all the test parameters in the test program have been decoded, and if not, it decodes the parameters in step 717. Processing unit 122
The control is transferred to and the parameters are decoded.

Next, the I/O service execution conditions are determined by 712 and 713, and if the execution conditions are met, the I/O service execution condition is determined by 712 and 713.
/O Transfers control to the service processing section. The I/O service execution conditions include whether the parameter decoding process necessary for the I/O service has been completed, and whether the I/O is in operation and
/O Refers to the condition of whether or not to wait for the operation to end.

Next, it is determined in step 714 whether the I/O check table is valid, and if it is, control is transferred to the I/O check processing section in step 719.

Next, in step 715, the end of the test is monitored, and if the test is completed, the process is ended.

Otherwise, the device table is updated and the above process is repeated until the test is completed.

Next, the operation of the parameter decoding processing section 122 will be explained.

FIG. 8 shows the processing procedure of the parameter decoding processing section 122.

As shown in the figure, the parameter decoding processing unit 122 to which control is transferred from the device control unit 121
First, in step 811, one parameter set is read and decoded to create the I/O service table 231 shown in FIG. 5 and the I/O check table 241 shown in FIG.

[0049] And 812, 813, 820, 821
Connect the I/O service table created by Connecting an I/O service table means linking from the device table 211 to the created I/O service table, and the created I/O service table is the first I/O service table. /O service table, I/O service table start address 3 of device table 211
21. Connection is established by setting the address of the created I/O service table in the I/O service table pointer 322. If the created I/O service table is not the first I/O service table, the created I/O service table is set to the next table address 331 of the previously created I/O service table. - Establish a connection by setting the address of the bus table.

Next, in step 814, the I/O service request flag 334 in the I/O service table 231 is set.

Next, the I/O check table is connected by 815, 816, 822, and 823. Connecting an I/O check table means linking the device table 211 to the created I/O check table, and the created I/O check table is linked to the first I/O check table. In this case, the connection is established by setting the address of the created I/O check table in the I/O check table start address 321 and I/O check table pointer 322 of the device table 211. Created I
If the /O check table is not the first I/O check table, the created I/O check table is placed at the next table address 331 of the previously created I/O check table.
Connection is made by setting the address of the bull.

Next, if there is a device control section control transfer instruction 314 given by the test parameters, the parameter decoding processing section 122 is temporarily terminated and control is returned to the device control section 121. (817). after that,
When control is resumed, processing for the next parameter set is performed.

[0053] If there is no control transition instruction, all parameters
Repeat the above process until the decoding of the set is completed (8
18).

When the decoding of all parameter sets is completed, the parameter decoding completed flag 313 of the execution program table 221 is set, and the parameter decoding process is terminated (819).

Next, the operation of the I/O service processing section 123 will be explained.

FIG. 9 shows the processing procedure of the I/O service processing section.

When control is transferred from the device controller 121, the I/O service processing section first processes the I/O service processing unit in which the I/O service request flag 314 is set in 911. - Determine whether or not there is a device table 231, and if it exists, in steps 912 and 913, the device table 2
The I/O service table for the I/O service table at the address indicated by the I/O service table pointer 222 of 11
execute the service.

That is, when using the I/O service table 231 shown in FIG. 5, the stored CCW address 332 is given to the channel, and the I/O device executes its contents.

Next, in step 914, the device table I
The /O service flag 326 is set, and the I/O service request flag 334 of the I/O service table is reset.

[0060] At 915, the I/O that performed the I/O service
The address of the service table is set in the executing I/O service table address 325 of the device table in FIG. 4, the I/O service pointer is updated in 916, and the device control section Control is returned to 121.

Next, the operation of the I/O interrupt processing section 125 will be described.

FIG. 10 shows the processing procedure of the I/O interrupt processing section 125.

When the I/O device ordered to perform a test operation by the I/O service processing unit 123 completes its operation, it returns the operation completion status as a CSW and interrupts the information processing device. This interrupt causes the I/O interrupt processing unit 125
is activated.

[0064] The activated interrupt processing unit first performs 101
1 to find the address of the device table corresponding to the I/O device in which the I/O interrupt has occurred.

Next, in step 1012, it is determined whether the I/O operation completion interrupt is from an I/O whose I/O service flag 326 is on, and if so, in steps 1013--
In 1015, information on I/O operation results is sent to the I/O check table.
The result value of the bull is stored in the CSW 343.

Then, in step 1016, it is determined whether the I/O service termination condition is satisfied, and if it is satisfied, step 101 is executed.
At step 7, the I/O service flag is reset.

At step 1018, the I/O check request flag 334 of the I/O check table is set, and the I/O interrupt processing is ended.

Next, the operation of the I/O check processing section 124 will be explained.

FIG. 11 shows the processing procedure of the I/O check processing section 124.

The I/O check processing unit 124 to which control has been transferred from the device control unit 121 first
1, it is determined whether there is an I/O check table in which the I/O check request flag 334 is set, and if there is, it is set to 1.
The I/O operation results are checked by 112, 1113, and 1121, and if there is an error, an error message is output. The I/O operation result is checked by determining whether the expected value CSW of the I/O check table matches the result value CSW.

Next, in step 1114, the I/O check request flag 345 of the I/O check table is reset.

[0072] In 1115 to 1117, all I
It is determined whether the /O check table has been checked, and if not all have been completed, the I/O check pointer is updated and the I/O check processing section is terminated.

[0073] If all have been completed, the I/O service is
Initial settings are made for the bus table, I/O check table, I/O service pointer, I/O check pointer, etc.

In step 1119, it is determined whether there is a request for re-execution of the test program. If there is a re-execution request, the I/O check processing section is terminated; if not, in step 1120, the execution program table is
The test end flag 315 of the test block is set and the I/O check processing section is ended.

In this embodiment, a case has been described in which the expectation table 251 is not used to check I/O operations, but for example, in the case of a read test of a storage device, etc. The expected read data is stored in this expected table, the address of the table is stored in the expected data table address of the I/O check table, and the I/O check processing section stores the read data. Error determination may be made by determining whether the data obtained is consistent with the data in the expected data table.

In addition, when there is a request for re-execution of the test program, the I/O service table 231 created by the parameter decoding processing unit 122 when re-executing the test program is
such as setting the I/O service request flag 334 of
This can be done by initializing the I/O service table 231, I/O check table 214, and device table 211.

As explained above, according to this embodiment, the execution of the parameter decoding processing section 122, I/O service processing section, and I/O check processing section is independently controlled, and the test program When re-executing, the parameter decoding processing unit 122
By reusing the I/O service table and I/O check table created in the above, the processing capacity can be improved by the amount of parameter decoding processing.

That is, the parameter decoding processing section 122,
By independently controlling the execution of the I/O service processing unit and I/O check processing unit, the parameter decoding process for the next test on the same I/O device can be executed while the I/O device test operation is being executed. This makes it possible to reduce system idle time.

FIG. 12 shows test timings in the case (a) of the conventional sequential execution method and the case (b) of the present embodiment. The illustrated example is the operation timing when three tests I, Π, and Ш are performed on I/O devices A and B, respectively. As shown in the figure, according to the present embodiment, there is less idle time and the processing is completed more quickly than in the conventional case.

In this embodiment, the test of the I/O device has been explained, but the test of the communication control device can be similarly performed.

[0081]

As described above, according to the present invention, the test processing capacity of I/O devices in an information processing system can be improved.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing the configuration of an information processing system according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a table configuration used for testing an I/O device.

FIG. 3 is an explanatory diagram showing details of an execution program table.

FIG. 4 is an explanatory diagram showing details of a device table.

FIG. 5 is an explanatory diagram showing details of an I/O service table.

FIG. 6 is an explanatory diagram showing details of an I/O check table.

FIG. 7 is a flowchart showing the operation of the device control section.

FIG. 8 is a flowchart showing the operation of the parameter decoding processing section.

FIG. 9 is a flowchart showing the operation of the I/O service processing section.

FIG. 10 is a flowchart showing the operation of the I/O interrupt processing section.

FIG. 11 is a flowchart showing the operation of the I/O check processing section.

FIG. 12 is a timing chart showing the timing of a conventional test operation and a test operation according to this embodiment.

[Explanation of symbols]

11 Information processing devices 111 to 11n I/O devices, 211 to 11n device table 221
Execution program table 222 Test programs 231 to 23n I/O service table 251
~25n Expected value data table 311
Test program start address 312 Parameter address 313 Parameter decoding completed flag 314
Control unit control transfer flag 315 Test end flag 316 Re-execution request flag 321 I/O service table start address,
322 I/O service table pointer 32
3 I/O check table start address 324
I/O check table pointer 325
Running I/O service table address 326
I/O service flag 331 Next table address 332 CCW address, 33
3 I/O tick table address 334 I/O service request flag 335
I/O service termination condition 341 Next service
Bull address 342 Expected value CSW 343 Result value CSW

Claims (8)

[Claims] 1. An information processing system including an information processing device and an input/output device connected to the information processing device, wherein the information processing device performs an operation that specifies at least test operation contents of the input/output device. a storage means for storing test parameters including parameters and result parameters that are expected values regarding the results of test operations; and a storage means for decoding and decoding the test parameters stored in the storage means. The operating parameters
A service table that stores input/output data used in input/output instructions for causing the input/output device to perform the test operation from the controller, and expected value data regarding the result of the test operation from the result parameter. a parameter decoding processing section that creates a check table to be used; and a service processing section that issues input/output commands to the input/output device based on the input/output data in the service table. , a check processing unit that checks whether the operation result of the input/output instruction of the input/output device is as expected based on expected value data in the check table, and a decoding processing unit for the parameter. and sir
1. An information processing system comprising: a control unit that independently controls execution of a service processing unit and a check processing unit. 2. The information processing system according to claim 1, wherein when the control unit of the information processing device repeatedly performs a test with the same content, the control unit of the information processing device controls the parameter value in the execution of the second and subsequent tests. Controls each section so that the test is executed using the service table and the check table created by the parameter decoding processing section at the time of the first test execution, without executing the parameter decoding processing section. An information processing system characterized by: 3. The information processing system according to claim 1, further comprising an external storage device connected to the information processing device, and wherein the control section of the information processing device is configured to process information created by the parameter decoding processing section. The above service table and check table
storage means for storing the table in the external storage device; and reading out the service table and check table from the external device when executing a test corresponding to the service table and check table stored in the external storage device. The readout means and the readout service
1. An information processing system comprising: a test table and an execution control means for controlling each of the sections to execute a test using the check table. 4. The information processing system according to claim 1, further comprising a function of providing the service table and check table created by the parameter decoding processing section to another information processing system.
The information processing system described above, a service processing unit that issues an input/output command to an input/output device based on the input/output data in the provided service table, and the provided check table. - A check processing unit that checks whether the operation result of the input/output command of the input/output device is as expected based on the expected value data in the input/output device, and a service processing unit and a check processing unit. A second information processing system including a second information processing device having a control unit that controls execution and an input/output device connected to the second information processing device. A complex information processing system featuring: 5. An information processing system including an information processing device and a communication control device connected to the information processing device, wherein the information processing device performs an operation that defines at least test operation contents of the communication control device. a storage means for storing test parameters including parameters and result parameters that are expected values regarding the results of test operations; and a storage means for decoding and decoding the test parameters stored in the storage means. A service table that stores input/output data used in a communication control command for causing the communication control device to perform the test operation based on the operation parameter, and expectations regarding the result of the test operation based on the result parameter. a parameter decoding processor that creates a check table that stores value data; and a service that issues a communication control command to the communication control device based on the input/output data in the service table. a check processing unit that checks whether the operation result of the communication control device according to the communication control command is as expected based on the expected value data in the check table; An information processing system comprising: a control section that independently controls execution of a decoding processing section, a service processing section, and a check processing section. 6. The information processing system according to claim 5, wherein when the control unit of the information processing device repeatedly performs a test with the same content, the control unit of the information processing device adjusts the parameters in the execution of the second and subsequent tests. Controls each section so that the test is executed using the service table and the check table created by the parameter decoding processing section at the time of the first test execution, without executing the parameter decoding processing section. An information processing system characterized by: 7. The information processing system according to claim 5, further comprising an external storage device connected to the information processing device, and wherein the control unit of the information processing device is configured to perform processing using the information processing unit created by the parameter decoding processing unit. The above service table and check table
storage means for storing the table in the external storage device; and reading out the service table and check table from the external device when executing a test corresponding to the service table and check table stored in the external storage device. The readout means and the readout service
1. An information processing system comprising: a test table and an execution control means for controlling each of the sections to execute a test using the check table. 8. The information processing system according to claim 5, further comprising a function of providing the service table and check table created by the parameter decoding processing section to another information processing system.
The information processing system described above, a service processing unit that issues a communication control command to a communication control device based on the input/output data in the provided service table, and the provided check table. - a check processing unit that checks whether the operation result of the communication control device according to the communication control command is as expected based on the expected value data in the bull;
Second information that includes a second information processing device that has a control unit that controls execution of the service processing unit and the check processing unit, and a communication control device that connects to the second information processing device. A complex information processing system comprising: a processing system;