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TIDAW requirements for EXCP requests z/OS DFSMSdfp Advanced Services SC23-6861-01 |
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The input and output data pointers in the TCW may point to a single, contiguous area of storage, or may point to a virtual TIDAL that consists of one or more virtual TIDAWs, each of which may points to a contiguous area of storage. Unlike the zHPF channel programs created by EXCPVR, these storage areas may be larger than 4K and may span page boundaries. During channel program translation EXCP creates a real TIDAL when
any of the following is true:
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