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Linux/drivers/tty/hvc/Kconfig

  1 if TTY
  2 
  3 config HVC_DRIVER
  4         bool
  5         help
  6           Generic "hypervisor virtual console" infrastructure for various
  7           hypervisors (pSeries, iSeries, Xen, lguest).
  8           It will automatically be selected if one of the back-end console drivers
  9           is selected.
 10 
 11 config HVC_IRQ
 12         bool
 13 
 14 config 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 
 24 config HVC_OLD_HVSI
 25         bool "Old driver for pSeries serial port (/dev/hvsi*)"
 26         depends on HVC_CONSOLE
 27         default n
 28 
 29 config 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 
 38 config 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 
 45 config HVC_IUCV
 46         bool "z/VM IUCV Hypervisor console support (VM only)"
 47         depends on S390
 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 
 55 config 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 
 64 config 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 
 72 config 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 
 82 config 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 
 91 config HVC_BFIN_JTAG
 92         bool "Blackfin JTAG console"
 93         depends on BLACKFIN
 94         select HVC_DRIVER
 95         help
 96          This console uses the Blackfin JTAG to create a console under the
 97          the HVC driver.  If you don't have JTAG, then you probably don't
 98          want this option.
 99 
100 config HVCS
101         tristate "IBM Hypervisor Virtual Console Server support"
102         depends on PPC_PSERIES && HVC_CONSOLE
103         help
104           Partitionable IBM Power5 ppc64 machines allow hosting of
105           firmware virtual consoles from one Linux partition by
106           another Linux partition.  This driver allows console data
107           from Linux partitions to be accessed through TTY device
108           interfaces in the device tree of a Linux partition running
109           this driver.
110 
111           To compile this driver as a module, choose M here: the
112           module will be called hvcs.  Additionally, this module
113           will depend on arch specific APIs exported from hvcserver.ko
114           which will also be compiled when this driver is built as a
115           module.
116 
117 endif # TTY

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