diff options
Diffstat (limited to 'drivers/s390/char/Kconfig')
| -rw-r--r-- | drivers/s390/char/Kconfig | 64 |
1 files changed, 38 insertions, 26 deletions
diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig index 71bf959732fe..80c4e5101c97 100644 --- a/drivers/s390/char/Kconfig +++ b/drivers/s390/char/Kconfig @@ -1,20 +1,14 @@ +# 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 + depends on CCW && TTY help Include support for IBM 3270 terminals. -config TN3270_TTY - def_tristate y - prompt "Support for tty input/output on 3270 terminals" - depends on TN3270 && TTY - help - Include support for using an IBM 3270 terminal as a Linux tty. - config TN3270_FS def_tristate m prompt "Support for fullscreen applications on 3270 terminals" @@ -25,7 +19,7 @@ config TN3270_FS config TN3270_CONSOLE def_bool y prompt "Support for console on 3270 terminal" - depends on TN3270=y && TN3270_TTY=y + 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. @@ -78,29 +72,37 @@ config SCLP_VT220_CONSOLE Include support for using an IBM SCLP VT220-compatible terminal as a Linux system console. -config SCLP_CPI +config HMC_DRV def_tristate m - prompt "Control-Program Identification" + 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 hardware console interface for system - identification. This is commonly used for workload management and - gives you a nice name for the system on the service element. - Please select this option as a module since built-in operation is - completely untested. - You should only select this option if you know what you are doing, - need this feature and intend to run your kernel in LPAR. + This option enables the Open-for-Business interface to the s390 + Service Element. -config SCLP_ASYNC +config S390_UV_UAPI def_tristate m - prompt "Support for Call Home via Asynchronous SCLP Records" + prompt "Ultravisor userspace API" depends on S390 help - This option enables the call home function, which is able to inform - the service element and connected organisations about a kernel panic. - You should only select this option if you know what you are doing, - want for inform other people about your kernel panics, - need this feature and intend to run your kernel in LPAR. + 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 @@ -151,10 +153,21 @@ 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" @@ -175,4 +188,3 @@ config S390_VMUR depends on S390 help Character device driver for z/VM reader, puncher and printer. - |