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+# SPDX-License-Identifier: GPL-2.0
+comment "S/390 character device drivers"
+ depends on S390
+
+config TN3270
+ def_tristate y
+ prompt "Support for locally attached 3270 terminals"
+ depends on CCW && TTY
+ help
+ Include support for IBM 3270 terminals.
+
+config TN3270_FS
+ def_tristate m
+ prompt "Support for fullscreen applications on 3270 terminals"
+ depends on TN3270
+ help
+ Include support for fullscreen applications on an IBM 3270 terminal.
+
+config TN3270_CONSOLE
+ def_bool y
+ prompt "Support for console on 3270 terminal"
+ depends on TN3270=y
+ help
+ Include support for using an IBM 3270 terminal as a Linux system
+ console. Available only if 3270 support is compiled in statically.
+
+config TN3215
+ def_bool y
+ prompt "Support for 3215 line mode terminal"
+ depends on CCW && TTY
+ help
+ Include support for IBM 3215 line-mode terminals.
+
+config TN3215_CONSOLE
+ def_bool y
+ prompt "Support for console on 3215 line mode terminal"
+ depends on TN3215
+ help
+ Include support for using an IBM 3215 line-mode terminal as a
+ Linux system console.
+
+config CCW_CONSOLE
+ def_bool y if TN3215_CONSOLE || TN3270_CONSOLE
+
+config SCLP_TTY
+ def_bool y
+ prompt "Support for SCLP line mode terminal"
+ depends on S390 && TTY
+ help
+ Include support for IBM SCLP line-mode terminals.
+
+config SCLP_CONSOLE
+ def_bool y
+ prompt "Support for console on SCLP line mode terminal"
+ depends on SCLP_TTY
+ help
+ Include support for using an IBM HWC line-mode terminal as the Linux
+ system console.
+
+config SCLP_VT220_TTY
+ def_bool y
+ prompt "Support for SCLP VT220-compatible terminal"
+ depends on S390 && TTY
+ help
+ Include support for an IBM SCLP VT220-compatible terminal.
+
+config SCLP_VT220_CONSOLE
+ def_bool y
+ prompt "Support for console on SCLP VT220-compatible terminal"
+ depends on SCLP_VT220_TTY
+ help
+ Include support for using an IBM SCLP VT220-compatible terminal as a
+ Linux system console.
+
+config HMC_DRV
+ def_tristate m
+ prompt "Support for file transfers from HMC drive CD/DVD-ROM"
+ depends on S390
+ select CRC16
+ help
+ This option enables support for file transfers from a Hardware
+ Management Console (HMC) drive CD/DVD-ROM. It is available as a
+ module, called 'hmcdrv', and also as kernel built-in. There is one
+ optional parameter for this module: cachesize=N, which modifies the
+ transfer cache size from its default value 0.5MB to N bytes. If N
+ is zero, then no caching is performed.
+
+config SCLP_OFB
+ def_bool n
+ prompt "Support for Open-for-Business SCLP Event"
+ depends on S390
+ help
+ This option enables the Open-for-Business interface to the s390
+ Service Element.
+
+config S390_UV_UAPI
+ def_tristate m
+ prompt "Ultravisor userspace API"
+ depends on S390 && (KVM || PROTECTED_VIRTUALIZATION_GUEST)
+ help
+ Selecting exposes parts of the UV interface to userspace
+ by providing a misc character device at /dev/uv.
+ Using IOCTLs one can interact with the UV.
+ The device is only available if the Ultravisor
+ Facility (158) is present.
+
+config S390_TAPE
+ def_tristate m
+ prompt "S/390 tape device support"
+ depends on CCW
+ help
+ Select this option if you want to access channel-attached tape
+ devices on IBM S/390 or zSeries.
+ If you select this option you will also want to select at
+ least one of the tape interface options and one of the tape
+ hardware options in order to access a tape device.
+ This option is also available as a module. The module will be
+ called tape390 and include all selected interfaces and
+ hardware drivers.
+
+comment "S/390 tape hardware support"
+ depends on S390_TAPE
+
+config S390_TAPE_34XX
+ def_tristate m
+ prompt "Support for 3480/3490 tape hardware"
+ depends on S390_TAPE
+ help
+ Select this option if you want to access IBM 3480/3490 magnetic
+ tape subsystems and 100% compatibles.
+ It is safe to say "Y" here.
+
+config S390_TAPE_3590
+ def_tristate m
+ prompt "Support for 3590 tape hardware"
+ depends on S390_TAPE
+ help
+ Select this option if you want to access IBM 3590 magnetic
+ tape subsystems and 100% compatibles.
+ It is safe to say "Y" here.
+
+config VMLOGRDR
+ def_tristate m
+ prompt "Support for the z/VM recording system services (VM only)"
+ depends on IUCV
+ help
+ Select this option if you want to be able to receive records collected
+ by the z/VM recording system services, eg. from *LOGREC, *ACCOUNT or
+ *SYMPTOM.
+ This driver depends on the IUCV support driver.
+
+config VMCP
+ def_bool y
+ prompt "Support for the z/VM CP interface"
+ depends on S390
+ select CMA
+ help
+ Select this option if you want to be able to interact with the control
+ program on z/VM
+
+config VMCP_CMA_SIZE
+ int "Memory in MiB reserved for z/VM CP interface"
+ default "4"
+ depends on VMCP
+ help
+ Specify the default amount of memory in MiB reserved for the z/VM CP
+ interface. If needed this memory is used for large contiguous memory
+ allocations. The default can be changed with the kernel command line
+ parameter "vmcp_cma".
+
+config MONREADER
+ def_tristate m
+ prompt "API for reading z/VM monitor service records"
+ depends on IUCV
+ help
+ Character device driver for reading z/VM monitor service records
+
+config MONWRITER
+ def_tristate m
+ prompt "API for writing z/VM monitor service records"
+ depends on S390
+ help
+ Character device driver for writing z/VM monitor service records
+
+config S390_VMUR
+ def_tristate m
+ prompt "z/VM unit record device driver"
+ depends on S390
+ help
+ Character device driver for z/VM reader, puncher and printer.