xref: /openbmc/linux/drivers/s390/char/Kconfig (revision 2612e3bbc0386368a850140a6c9b990cd496a5ec)
1 # SPDX-License-Identifier: GPL-2.0
2 comment "S/390 character device drivers"
3 	depends on S390
4 
5 config 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 
12 config 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 
19 config 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 
27 config 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 
34 config 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 
42 config CCW_CONSOLE
43 	def_bool y if TN3215_CONSOLE || TN3270_CONSOLE
44 
45 config 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 
52 config 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 
60 config 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 
67 config 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 
75 config 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 
88 config 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 
96 config 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 
107 config 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 
121 comment "S/390 tape hardware support"
122 	depends on S390_TAPE
123 
124 config 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 
133 config 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 
142 config 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 
152 config 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 
161 config 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 
171 config 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 
178 config 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 
185 config 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