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 119