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Facilitating transport mode input/output operations between a channel subsystem and input/output devices
Facilitating transport mode input/output operations between a channel subsystem and input/output devices
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机译:促进通道子系统和输入/输出设备之间的传输模式输入/输出操作
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摘要
A computer program product is configured for performing a method including: generating at least one command message by a channel subsystem of the host computer system, the at least one command message including one or more device command words (DCWs), wherein at least one DCW of the one or more DCWs includes a suppress-length indication (SLI) configured to instruct a control unit to continue to perform the I/O operation in response to the control unit detecting that the data count does not match an amount of data required; receiving an incorrect length (IL) value, the IL value being a first IL value in response to the SLI being a first SLI value and the data count not matching the amount of data required; and responsive to receiving the IL value from the control unit, storing an IL indicator in a subchannel-status word.
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