if TTY
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config HVC_DRIVER
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bool
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help
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Generic "hypervisor virtual console" infrastructure for various
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hypervisors (pSeries, iSeries, Xen).
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It will automatically be selected if one of the back-end console drivers
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is selected.
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config HVC_IRQ
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bool
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config HVC_CONSOLE
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bool "pSeries Hypervisor Virtual Console support"
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depends on PPC_PSERIES
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select HVC_DRIVER
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select HVC_IRQ
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help
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pSeries machines when partitioned support a hypervisor virtual
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console. This driver allows each pSeries partition to have a console
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which is accessed via the HMC.
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config HVC_OLD_HVSI
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bool "Old driver for pSeries serial port (/dev/hvsi*)"
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depends on HVC_CONSOLE
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default n
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config HVC_OPAL
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bool "OPAL Console support"
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depends on PPC_POWERNV
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select HVC_DRIVER
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select HVC_IRQ
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default y
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help
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PowerNV machines running under OPAL need that driver to get a console
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config HVC_RTAS
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bool "IBM RTAS Console support"
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depends on PPC_RTAS
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select HVC_DRIVER
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help
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IBM Console device driver which makes use of RTAS
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config HVC_IUCV
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bool "z/VM IUCV Hypervisor console support (VM only)"
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depends on S390 && NET
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select HVC_DRIVER
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select IUCV
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default y
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help
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This driver provides a Hypervisor console (HVC) back-end to access
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a Linux (console) terminal via a z/VM IUCV communication path.
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config HVC_XEN
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bool "Xen Hypervisor Console support"
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depends on XEN
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select HVC_DRIVER
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select HVC_IRQ
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default y
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help
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Xen virtual console device driver
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config HVC_XEN_FRONTEND
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bool "Xen Hypervisor Multiple Consoles support"
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depends on HVC_XEN
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select XEN_XENBUS_FRONTEND
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default y
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help
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Xen driver for secondary virtual consoles
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config HVC_UDBG
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bool "udbg based fake hypervisor console"
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depends on PPC
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select HVC_DRIVER
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default n
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help
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This is meant to be used during HW bring up or debugging when
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no other console mechanism exist but udbg, to get you a quick
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console for userspace. Do NOT enable in production kernels.
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config HVC_DCC
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bool "ARM JTAG DCC console"
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depends on ARM || ARM64
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select HVC_DRIVER
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help
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This console uses the JTAG DCC on ARM to create a console under the HVC
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driver. This console is used through a JTAG only on ARM. If you don't have
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a JTAG then you probably don't want this option.
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config HVC_RISCV_SBI
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bool "RISC-V SBI console support"
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depends on RISCV
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select HVC_DRIVER
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help
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This enables support for console output via RISC-V SBI calls, which
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is normally used only during boot to output printk.
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If you don't know what do to here, say Y.
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config HVCS
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tristate "IBM Hypervisor Virtual Console Server support"
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depends on PPC_PSERIES && HVC_CONSOLE
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help
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Partitionable IBM Power5 ppc64 machines allow hosting of
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firmware virtual consoles from one Linux partition by
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another Linux partition. This driver allows console data
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from Linux partitions to be accessed through TTY device
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interfaces in the device tree of a Linux partition running
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this driver.
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To compile this driver as a module, choose M here: the
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module will be called hvcs. Additionally, this module
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will depend on arch specific APIs exported from hvcserver.ko
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which will also be compiled when this driver is built as a
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module.
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endif # TTY
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