1# SPDX-License-Identifier: GPL-2.0 2comment "S/390 character device drivers" 3 depends on S390 4 5config TN3270 6 def_tristate y 7 prompt "Support for locally attached 3270 terminals" 8 depends on CCW && TTY 9 help 10 Include support for IBM 3270 terminals. 11 12config TN3270_FS 13 def_tristate m 14 prompt "Support for fullscreen applications on 3270 terminals" 15 depends on TN3270 16 help 17 Include support for fullscreen applications on an IBM 3270 terminal. 18 19config TN3270_CONSOLE 20 def_bool y 21 prompt "Support for console on 3270 terminal" 22 depends on TN3270=y 23 help 24 Include support for using an IBM 3270 terminal as a Linux system 25 console. Available only if 3270 support is compiled in statically. 26 27config TN3215 28 def_bool y 29 prompt "Support for 3215 line mode terminal" 30 depends on CCW && TTY 31 help 32 Include support for IBM 3215 line-mode terminals. 33 34config TN3215_CONSOLE 35 def_bool y 36 prompt "Support for console on 3215 line mode terminal" 37 depends on TN3215 38 help 39 Include support for using an IBM 3215 line-mode terminal as a 40 Linux system console. 41 42config CCW_CONSOLE 43 def_bool y if TN3215_CONSOLE || TN3270_CONSOLE 44 45config SCLP_TTY 46 def_bool y 47 prompt "Support for SCLP line mode terminal" 48 depends on S390 && TTY 49 help 50 Include support for IBM SCLP line-mode terminals. 51 52config SCLP_CONSOLE 53 def_bool y 54 prompt "Support for console on SCLP line mode terminal" 55 depends on SCLP_TTY 56 help 57 Include support for using an IBM HWC line-mode terminal as the Linux 58 system console. 59 60config SCLP_VT220_TTY 61 def_bool y 62 prompt "Support for SCLP VT220-compatible terminal" 63 depends on S390 && TTY 64 help 65 Include support for an IBM SCLP VT220-compatible terminal. 66 67config SCLP_VT220_CONSOLE 68 def_bool y 69 prompt "Support for console on SCLP VT220-compatible terminal" 70 depends on SCLP_VT220_TTY 71 help 72 Include support for using an IBM SCLP VT220-compatible terminal as a 73 Linux system console. 74 75config HMC_DRV 76 def_tristate m 77 prompt "Support for file transfers from HMC drive CD/DVD-ROM" 78 depends on S390 79 select CRC16 80 help 81 This option enables support for file transfers from a Hardware 82 Management Console (HMC) drive CD/DVD-ROM. It is available as a 83 module, called 'hmcdrv', and also as kernel built-in. There is one 84 optional parameter for this module: cachesize=N, which modifies the 85 transfer cache size from its default value 0.5MB to N bytes. If N 86 is zero, then no caching is performed. 87 88config SCLP_OFB 89 def_bool n 90 prompt "Support for Open-for-Business SCLP Event" 91 depends on S390 92 help 93 This option enables the Open-for-Business interface to the s390 94 Service Element. 95 96config S390_UV_UAPI 97 def_tristate m 98 prompt "Ultravisor userspace API" 99 depends on S390 && (KVM || PROTECTED_VIRTUALIZATION_GUEST) 100 help 101 Selecting exposes parts of the UV interface to userspace 102 by providing a misc character device at /dev/uv. 103 Using IOCTLs one can interact with the UV. 104 The device is only available if the Ultravisor 105 Facility (158) is present. 106 107config S390_TAPE 108 def_tristate m 109 prompt "S/390 tape device support" 110 depends on CCW 111 help 112 Select this option if you want to access channel-attached tape 113 devices on IBM S/390 or zSeries. 114 If you select this option you will also want to select at 115 least one of the tape interface options and one of the tape 116 hardware options in order to access a tape device. 117 This option is also available as a module. The module will be 118 called tape390 and include all selected interfaces and 119 hardware drivers. 120 121comment "S/390 tape hardware support" 122 depends on S390_TAPE 123 124config S390_TAPE_34XX 125 def_tristate m 126 prompt "Support for 3480/3490 tape hardware" 127 depends on S390_TAPE 128 help 129 Select this option if you want to access IBM 3480/3490 magnetic 130 tape subsystems and 100% compatibles. 131 It is safe to say "Y" here. 132 133config S390_TAPE_3590 134 def_tristate m 135 prompt "Support for 3590 tape hardware" 136 depends on S390_TAPE 137 help 138 Select this option if you want to access IBM 3590 magnetic 139 tape subsystems and 100% compatibles. 140 It is safe to say "Y" here. 141 142config VMLOGRDR 143 def_tristate m 144 prompt "Support for the z/VM recording system services (VM only)" 145 depends on IUCV 146 help 147 Select this option if you want to be able to receive records collected 148 by the z/VM recording system services, eg. from *LOGREC, *ACCOUNT or 149 *SYMPTOM. 150 This driver depends on the IUCV support driver. 151 152config VMCP 153 def_bool y 154 prompt "Support for the z/VM CP interface" 155 depends on S390 156 select CMA 157 help 158 Select this option if you want to be able to interact with the control 159 program on z/VM 160 161config VMCP_CMA_SIZE 162 int "Memory in MiB reserved for z/VM CP interface" 163 default "4" 164 depends on VMCP 165 help 166 Specify the default amount of memory in MiB reserved for the z/VM CP 167 interface. If needed this memory is used for large contiguous memory 168 allocations. The default can be changed with the kernel command line 169 parameter "vmcp_cma". 170 171config MONREADER 172 def_tristate m 173 prompt "API for reading z/VM monitor service records" 174 depends on IUCV 175 help 176 Character device driver for reading z/VM monitor service records 177 178config MONWRITER 179 def_tristate m 180 prompt "API for writing z/VM monitor service records" 181 depends on S390 182 help 183 Character device driver for writing z/VM monitor service records 184 185config S390_VMUR 186 def_tristate m 187 prompt "z/VM unit record device driver" 188 depends on S390 189 help 190 Character device driver for z/VM reader, puncher and printer. 191