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1config HVC_DRIVER
2 bool
3 help
4 Generic "hypervisor virtual console" infrastructure for various
5 hypervisors (pSeries, iSeries, Xen, lguest).
6 It will automatically be selected if one of the back-end console drivers
7 is selected.
8
9config HVC_IRQ
10 bool
11
12config HVC_CONSOLE
13 bool "pSeries Hypervisor Virtual Console support"
14 depends on PPC_PSERIES
15 select HVC_DRIVER
16 select HVC_IRQ
17 help
18 pSeries machines when partitioned support a hypervisor virtual
19 console. This driver allows each pSeries partition to have a console
20 which is accessed via the HMC.
21
22config HVC_OLD_HVSI
23 bool "Old driver for pSeries serial port (/dev/hvsi*)"
24 depends on HVC_CONSOLE
25 default n
26
27config HVC_ISERIES
28 bool "iSeries Hypervisor Virtual Console support"
29 depends on PPC_ISERIES
30 default y
31 select HVC_DRIVER
32 select HVC_IRQ
33 select VIOPATH
34 help
35 iSeries machines support a hypervisor virtual console.
36
37config HVC_RTAS
38 bool "IBM RTAS Console support"
39 depends on PPC_RTAS
40 select HVC_DRIVER
41 help
42 IBM Console device driver which makes use of RTAS
43
44config HVC_BEAT
45 bool "Toshiba's Beat Hypervisor Console support"
46 depends on PPC_CELLEB
47 select HVC_DRIVER
48 help
49 Toshiba's Cell Reference Set Beat Console device driver
50
51config HVC_IUCV
52 bool "z/VM IUCV Hypervisor console support (VM only)"
53 depends on S390
54 select HVC_DRIVER
55 select IUCV
56 default y
57 help
58 This driver provides a Hypervisor console (HVC) back-end to access
59 a Linux (console) terminal via a z/VM IUCV communication path.
60
61config HVC_XEN
62 bool "Xen Hypervisor Console support"
63 depends on XEN
64 select HVC_DRIVER
65 select HVC_IRQ
66 default y
67 help
68 Xen virtual console device driver
69
70config HVC_UDBG
71 bool "udbg based fake hypervisor console"
72 depends on PPC && EXPERIMENTAL
73 select HVC_DRIVER
74 default n
75
76config HVC_DCC
77 bool "ARM JTAG DCC console"
78 depends on ARM
79 select HVC_DRIVER
80 help
81 This console uses the JTAG DCC on ARM to create a console under the HVC
82 driver. This console is used through a JTAG only on ARM. If you don't have
83 a JTAG then you probably don't want this option.
84
85config HVC_BFIN_JTAG
86 bool "Blackfin JTAG console"
87 depends on BLACKFIN
88 select HVC_DRIVER
89 help
90 This console uses the Blackfin JTAG to create a console under the
91 the HVC driver. If you don't have JTAG, then you probably don't
92 want this option.
93
94config HVCS
95 tristate "IBM Hypervisor Virtual Console Server support"
96 depends on PPC_PSERIES && HVC_CONSOLE
97 help
98 Partitionable IBM Power5 ppc64 machines allow hosting of
99 firmware virtual consoles from one Linux partition by
100 another Linux partition. This driver allows console data
101 from Linux partitions to be accessed through TTY device
102 interfaces in the device tree of a Linux partition running
103 this driver.
104
105 To compile this driver as a module, choose M here: the
106 module will be called hvcs. Additionally, this module
107 will depend on arch specific APIs exported from hvcserver.ko
108 which will also be compiled when this driver is built as a
109 module.
110
1if TTY
2
3config HVC_DRIVER
4 bool
5 help
6 Generic "hypervisor virtual console" infrastructure for various
7 hypervisors (pSeries, iSeries, Xen).
8 It will automatically be selected if one of the back-end console drivers
9 is selected.
10
11config HVC_IRQ
12 bool
13
14config HVC_CONSOLE
15 bool "pSeries Hypervisor Virtual Console support"
16 depends on PPC_PSERIES
17 select HVC_DRIVER
18 select HVC_IRQ
19 help
20 pSeries machines when partitioned support a hypervisor virtual
21 console. This driver allows each pSeries partition to have a console
22 which is accessed via the HMC.
23
24config HVC_OLD_HVSI
25 bool "Old driver for pSeries serial port (/dev/hvsi*)"
26 depends on HVC_CONSOLE
27 default n
28
29config HVC_OPAL
30 bool "OPAL Console support"
31 depends on PPC_POWERNV
32 select HVC_DRIVER
33 select HVC_IRQ
34 default y
35 help
36 PowerNV machines running under OPAL need that driver to get a console
37
38config HVC_RTAS
39 bool "IBM RTAS Console support"
40 depends on PPC_RTAS
41 select HVC_DRIVER
42 help
43 IBM Console device driver which makes use of RTAS
44
45config HVC_IUCV
46 bool "z/VM IUCV Hypervisor console support (VM only)"
47 depends on S390 && NET
48 select HVC_DRIVER
49 select IUCV
50 default y
51 help
52 This driver provides a Hypervisor console (HVC) back-end to access
53 a Linux (console) terminal via a z/VM IUCV communication path.
54
55config HVC_XEN
56 bool "Xen Hypervisor Console support"
57 depends on XEN
58 select HVC_DRIVER
59 select HVC_IRQ
60 default y
61 help
62 Xen virtual console device driver
63
64config HVC_XEN_FRONTEND
65 bool "Xen Hypervisor Multiple Consoles support"
66 depends on HVC_XEN
67 select XEN_XENBUS_FRONTEND
68 default y
69 help
70 Xen driver for secondary virtual consoles
71
72config HVC_UDBG
73 bool "udbg based fake hypervisor console"
74 depends on PPC
75 select HVC_DRIVER
76 default n
77 help
78 This is meant to be used during HW bring up or debugging when
79 no other console mechanism exist but udbg, to get you a quick
80 console for userspace. Do NOT enable in production kernels.
81
82config HVC_DCC
83 bool "ARM JTAG DCC console"
84 depends on ARM || ARM64
85 select HVC_DRIVER
86 help
87 This console uses the JTAG DCC on ARM to create a console under the HVC
88 driver. This console is used through a JTAG only on ARM. If you don't have
89 a JTAG then you probably don't want this option.
90
91config HVC_RISCV_SBI
92 bool "RISC-V SBI console support"
93 depends on RISCV
94 select HVC_DRIVER
95 help
96 This enables support for console output via RISC-V SBI calls, which
97 is normally used only during boot to output printk.
98
99 If you don't know what do to here, say Y.
100
101config HVCS
102 tristate "IBM Hypervisor Virtual Console Server support"
103 depends on PPC_PSERIES && HVC_CONSOLE
104 help
105 Partitionable IBM Power5 ppc64 machines allow hosting of
106 firmware virtual consoles from one Linux partition by
107 another Linux partition. This driver allows console data
108 from Linux partitions to be accessed through TTY device
109 interfaces in the device tree of a Linux partition running
110 this driver.
111
112 To compile this driver as a module, choose M here: the
113 module will be called hvcs. Additionally, this module
114 will depend on arch specific APIs exported from hvcserver.ko
115 which will also be compiled when this driver is built as a
116 module.
117
118endif # TTY