xref: /openbmc/linux/drivers/s390/char/Kconfig (revision 97feacc0) 
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
9	help
10	  Include support for IBM 3270 terminals.
11
12config TN3270_TTY
13	def_tristate y
14	prompt "Support for tty input/output on 3270 terminals"
15	depends on TN3270 && TTY
16	help
17	  Include support for using an IBM 3270 terminal as a Linux tty.
18
19config TN3270_FS
20	def_tristate m
21	prompt "Support for fullscreen applications on 3270 terminals"
22	depends on TN3270
23	help
24	  Include support for fullscreen applications on an IBM 3270 terminal.
25
26config TN3270_CONSOLE
27	def_bool y
28	prompt "Support for console on 3270 terminal"
29	depends on TN3270=y && TN3270_TTY=y
30	help
31	  Include support for using an IBM 3270 terminal as a Linux system
32	  console.  Available only if 3270 support is compiled in statically.
33
34config TN3215
35	def_bool y
36	prompt "Support for 3215 line mode terminal"
37	depends on CCW && TTY
38	help
39	  Include support for IBM 3215 line-mode terminals.
40
41config TN3215_CONSOLE
42	def_bool y
43	prompt "Support for console on 3215 line mode terminal"
44	depends on TN3215
45	help
46	  Include support for using an IBM 3215 line-mode terminal as a
47	  Linux system console.
48
49config CCW_CONSOLE
50	def_bool y if TN3215_CONSOLE || TN3270_CONSOLE
51
52config SCLP_TTY
53	def_bool y
54	prompt "Support for SCLP line mode terminal"
55	depends on S390 && TTY
56	help
57	  Include support for IBM SCLP line-mode terminals.
58
59config SCLP_CONSOLE
60	def_bool y
61	prompt "Support for console on SCLP line mode terminal"
62	depends on SCLP_TTY
63	help
64	  Include support for using an IBM HWC line-mode terminal as the Linux
65	  system console.
66
67config SCLP_VT220_TTY
68	def_bool y
69	prompt "Support for SCLP VT220-compatible terminal"
70	depends on S390 && TTY
71	help
72	  Include support for an IBM SCLP VT220-compatible terminal.
73
74config SCLP_VT220_CONSOLE
75	def_bool y
76	prompt "Support for console on SCLP VT220-compatible terminal"
77	depends on SCLP_VT220_TTY
78	help
79	  Include support for using an IBM SCLP VT220-compatible terminal as a
80	  Linux system console.
81
82config SCLP_ASYNC
83	def_tristate m
84	prompt "Support for Call Home via Asynchronous SCLP Records"
85	depends on S390
86	help
87	  This option enables the call home function, which is able to inform
88	  the service element and connected organisations about a kernel panic.
89	  You should only select this option if you know what you are doing,
90	  want for inform other people about your kernel panics,
91	  need this feature and intend to run your kernel in LPAR.
92
93config SCLP_ASYNC_ID
94       string "Component ID for Call Home"
95       depends on SCLP_ASYNC
96       default "000000000"
97       help
98	 The Component ID for Call Home is used to identify the correct
99	 problem reporting queue the call home records should be sent to.
100
101	 If your are unsure, please use the default value "000000000".
102
103config HMC_DRV
104	def_tristate m
105	prompt "Support for file transfers from HMC drive CD/DVD-ROM"
106	depends on S390
107	select CRC16
108	help
109	  This option enables support for file transfers from a Hardware
110	  Management Console (HMC) drive CD/DVD-ROM. It is available as a
111	  module, called 'hmcdrv', and also as kernel built-in. There is one
112	  optional parameter for this module: cachesize=N, which modifies the
113	  transfer cache size from it's default value 0.5MB to N bytes. If N
114	  is zero, then no caching is performed.
115
116config SCLP_OFB
117	def_bool n
118	prompt "Support for Open-for-Business SCLP Event"
119	depends on S390
120	help
121	  This option enables the Open-for-Business interface to the s390
122	  Service Element.
123
124config S390_TAPE
125	def_tristate m
126	prompt "S/390 tape device support"
127	depends on CCW
128	help
129	  Select this option if you want to access channel-attached tape
130	  devices on IBM S/390 or zSeries.
131	  If you select this option you will also want to select at
132	  least one of the tape interface options and one of the tape
133	  hardware options in order to access a tape device.
134	  This option is also available as a module. The module will be
135	  called tape390 and include all selected interfaces and
136	  hardware drivers.
137
138comment "S/390 tape hardware support"
139	depends on S390_TAPE
140
141config S390_TAPE_34XX
142	def_tristate m
143	prompt "Support for 3480/3490 tape hardware"
144	depends on S390_TAPE
145	help
146	  Select this option if you want to access IBM 3480/3490 magnetic
147	  tape subsystems and 100% compatibles.
148	  It is safe to say "Y" here.
149
150config S390_TAPE_3590
151	def_tristate m
152	prompt "Support for 3590 tape hardware"
153	depends on S390_TAPE
154	help
155	  Select this option if you want to access IBM 3590 magnetic
156	  tape subsystems and 100% compatibles.
157	  It is safe to say "Y" here.
158
159config VMLOGRDR
160	def_tristate m
161	prompt "Support for the z/VM recording system services (VM only)"
162	depends on IUCV
163	help
164	  Select this option if you want to be able to receive records collected
165	  by the z/VM recording system services, eg. from *LOGREC, *ACCOUNT or
166	  *SYMPTOM.
167	  This driver depends on the IUCV support driver.
168
169config VMCP
170	def_bool y
171	prompt "Support for the z/VM CP interface"
172	depends on S390
173	select CMA
174	help
175	  Select this option if you want to be able to interact with the control
176	  program on z/VM
177
178config VMCP_CMA_SIZE
179	int "Memory in MiB reserved for z/VM CP interface"
180	default "4"
181	depends on VMCP
182	help
183	  Specify the default amount of memory in MiB reserved for the z/VM CP
184	  interface. If needed this memory is used for large contiguous memory
185	  allocations. The default can be changed with the kernel command line
186	  parameter "vmcp_cma".
187
188config MONREADER
189	def_tristate m
190	prompt "API for reading z/VM monitor service records"
191	depends on IUCV
192	help
193	  Character device driver for reading z/VM monitor service records
194
195config MONWRITER
196	def_tristate m
197	prompt "API for writing z/VM monitor service records"
198	depends on S390
199	help
200	  Character device driver for writing z/VM monitor service records
201
202config S390_VMUR
203	def_tristate m
204	prompt "z/VM unit record device driver"
205	depends on S390
206	help
207	  Character device driver for z/VM reader, puncher and printer.
208
209