Environment

The requirements for the caller are:

Requirement	Details
Minimum authorization:	Problem state, key 8–15
Dispatchable unit mode:	Task or SRB
Cross memory mode:	Any PASN, any HASN, any SASN
AMODE:	24- or 31-bit when using the CALL CSRSI form (or csrsi in C), 31-bit when using an alternate form
ASC mode:	Primary
Interrupt status:	Enabled or disabled for I/O and external interrupts
Locks:	The caller may hold a LOCAL lock, the CMS lock, or the CPU lock but is not required to hold any locks.