Chapter 6. Service Request Function
GFK-2950C February 2018 333
Memory Type Codes
Response Status Codes for SVC_REQ 56
Success. All values requested were found and copied.
Partial Read. All values found were copied, but some or all values were not in storage.
Insufficient Destination Memory. The Destination memory location is not large
enough to store the requested values.
Invalid Length. The length requested is larger than 64 bytes or less than 1 byte or the
number of bits is not an exact multiple of 8.
Invalid storage or destination reference address. A specified memory area is not %I,
%Q, %T, %M, %G, %R, %AI, %AQ, or %W, or the offset is out of range, or the offset is
not byte-aligned for discrete memory in bit mode.
Invalid request. Spare bits or spare words in parameter block are not set to zero.
Storage Busy. A SVC_REQ 57 or another SVC_REQ 56 instruction is active. For
example, an interrupt block is attempting to execute SVC_REQ 56 when the block it
interrupted was executing SVC_REQ 56.
Storage Disabled. The logic in RAM differs from the logic in nonvolatile storage. See
Storage disabled conditions.
Storage Closed. Either the storage has not been created or a previous corruption
error or unexpected read/write failure closed the storage.
Unexpected Read Failure. A command to the storage hardware failed unexpectedly.
Corrupted storage. A corrupted checksum or storage header caused a read to fail.
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