mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 18:21:39 +01:00
Keir Fraser
8973872b34
Add an option into hvm config file to enable graphics passthrough including discrete and IGD. To passthrough graphics to guest, need to set gfx_passthru=1, and also specify graphics device BDF in pci passthrough option, like pci=['xx:xx.x'] in hvm config file. Signed-off-by: Weidong Han <weidong.han@intel.com>
374 lines
14 KiB
Python
374 lines
14 KiB
Python
# -*- mode: python; -*-
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#============================================================================
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# Python configuration setup for 'xm create'.
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# This script sets the parameters used when a domain is created using 'xm create'.
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# You use a separate script for each domain you want to create, or
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# you can set the parameters for the domain on the xm command line.
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#============================================================================
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#----------------------------------------------------------------------------
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# Kernel image file.
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kernel = "hvmloader"
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# The domain build function. HVM domain uses 'hvm'.
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builder='hvm'
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# Initial memory allocation (in megabytes) for the new domain.
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#
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# WARNING: Creating a domain with insufficient memory may cause out of
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# memory errors. The domain needs enough memory to boot kernel
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# and modules. Allocating less than 32MBs is not recommended.
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memory = 128
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# Shadow pagetable memory for the domain, in MB.
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# If not explicictly set, xend will pick an appropriate value.
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# Should be at least 2KB per MB of domain memory, plus a few MB per vcpu.
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# shadow_memory = 8
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# Whether to transparently share this domain's memory with other domains.
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# default = 0
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# memory_sharing = 0
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# A name for your domain. All domains must have different names.
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name = "ExampleHVMDomain"
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# 128-bit UUID for the domain. The default behavior is to generate a new UUID
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# on each call to 'xm create'.
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#uuid = "06ed00fe-1162-4fc4-b5d8-11993ee4a8b9"
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#-----------------------------------------------------------------------------
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# The number of cpus guest platform has, default=1
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#vcpus=1
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# Enable/disable HVM guest PAE, default=1 (enabled)
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#pae=1
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# Enable/disable HVM guest ACPI, default=1 (enabled)
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#acpi=1
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# Enable/disable HVM APIC mode, default=1 (enabled)
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# Note that this option is ignored if vcpus > 1
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#apic=1
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# Enable/disable extended power management support within HVM guest, i.e., beyond
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# S3, S4, S5 within guest like exposing battery meter.
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# 0 (default option, extended power management support disabled)
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# 1 (pass-through mode; uses pass-through as needed; efficient but limited in scope)
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# 2 (non pass-through mode; extended scope, likely to work on all applicable environment
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# but comparitively less efficient than pass-through mode)
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# xen_extended_power_mgmt=0
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# List of which CPUS this domain is allowed to use, default Xen picks
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#cpus = "" # leave to Xen to pick
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#cpus = "0" # all vcpus run on CPU0
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#cpus = "0-3,5,^1" # all vcpus run on cpus 0,2,3,5
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#cpus = ["2", "3"] # VCPU0 runs on CPU2, VCPU1 runs on CPU3
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# Optionally define mac and/or bridge for the network interfaces.
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# Random MACs are assigned if not given.
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#vif = [ 'type=ioemu, mac=00:16:3e:00:00:11, bridge=xenbr0, model=ne2k_pci' ]
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# type=ioemu specify the NIC is an ioemu device not netfront
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vif = [ 'type=ioemu, bridge=xenbr0' ]
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#----------------------------------------------------------------------------
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# Define the disk devices you want the domain to have access to, and
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# what you want them accessible as.
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# Each disk entry is of the form phy:UNAME,DEV,MODE
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# where UNAME is the device, DEV is the device name the domain will see,
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# and MODE is r for read-only, w for read-write.
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#disk = [ 'phy:hda1,hda1,r' ]
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disk = [ 'file:/var/images/min-el3-i386.img,hda,w', ',hdc:cdrom,r' ]
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#----------------------------------------------------------------------------
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# Configure the behaviour when a domain exits. There are three 'reasons'
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# for a domain to stop: poweroff, reboot, and crash. For each of these you
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# may specify:
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#
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# "destroy", meaning that the domain is cleaned up as normal;
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# "restart", meaning that a new domain is started in place of the old
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# one;
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# "preserve", meaning that no clean-up is done until the domain is
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# manually destroyed (using xm destroy, for example); or
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# "rename-restart", meaning that the old domain is not cleaned up, but is
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# renamed and a new domain started in its place.
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#
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# In the event a domain stops due to a crash, you have the additional options:
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#
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# "coredump-destroy", meaning dump the crashed domain's core and then destroy;
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# "coredump-restart', meaning dump the crashed domain's core and the restart.
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#
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# The default is
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#
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# on_poweroff = 'destroy'
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# on_reboot = 'restart'
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# on_crash = 'restart'
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#
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# For backwards compatibility we also support the deprecated option restart
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#
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# restart = 'onreboot' means on_poweroff = 'destroy'
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# on_reboot = 'restart'
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# on_crash = 'destroy'
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#
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# restart = 'always' means on_poweroff = 'restart'
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# on_reboot = 'restart'
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# on_crash = 'restart'
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#
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# restart = 'never' means on_poweroff = 'destroy'
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# on_reboot = 'destroy'
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# on_crash = 'destroy'
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#on_poweroff = 'destroy'
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#on_reboot = 'restart'
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#on_crash = 'restart'
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#============================================================================
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# Device Model to be used
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device_model = 'qemu-dm'
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#-----------------------------------------------------------------------------
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# boot on floppy (a), hard disk (c), Network (n) or CD-ROM (d)
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# default: hard disk, cd-rom, floppy
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#boot="cda"
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#-----------------------------------------------------------------------------
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# write to temporary files instead of disk image files
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#snapshot=1
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#----------------------------------------------------------------------------
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# enable SDL library for graphics, default = 0
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sdl=0
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#----------------------------------------------------------------------------
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# enable OpenGL for texture rendering inside the SDL window, default = 1
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# valid only if sdl is enabled.
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opengl=1
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#----------------------------------------------------------------------------
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# enable VNC library for graphics, default = 1
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vnc=1
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#----------------------------------------------------------------------------
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# address that should be listened on for the VNC server if vnc is set.
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# default is to use 'vnc-listen' setting from
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# auxbin.xen_configdir() + /xend-config.sxp
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#vnclisten="127.0.0.1"
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#----------------------------------------------------------------------------
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# set VNC display number, default = domid
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#vncdisplay=1
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#----------------------------------------------------------------------------
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# try to find an unused port for the VNC server, default = 1
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#vncunused=1
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#----------------------------------------------------------------------------
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# set password for domain's VNC console
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# default is depents on vncpasswd in xend-config.sxp
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vncpasswd=''
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#----------------------------------------------------------------------------
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# no graphics, use serial port
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#nographic=0
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#----------------------------------------------------------------------------
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# enable stdvga, default = 0 (use cirrus logic device model)
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stdvga=0
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#-----------------------------------------------------------------------------
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# serial port re-direct to pty deivce, /dev/pts/n
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# then xm console or minicom can connect
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serial='pty'
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#----------------------------------------------------------------------------
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# tsc_mode : TSC mode (0=default, 1=native TSC, 2=never emulate, 3=pvrdtscp)
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# emulate TSC provides synced TSC for all vcpus, but lose perfomrance.
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# native TSC leverages hardware's TSC(no perf loss), but vcpu's TSC may lose
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# sync due to hardware's unreliable/unsynced TSC between CPUs.
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# default intelligently uses native TSC on machines where it is safe, but
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# switches to emulated if necessary after save/restore/migration
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# pvrdtscp is for intelligent apps that use special Xen-only paravirtualized
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# cpuid instructions to obtain offset/scaling/migration info and maximize
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# performance within pools of machines that support the rdtscp instruction
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tsc_mode=0
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#-----------------------------------------------------------------------------
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# Qemu Monitor, default is disable
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# Use ctrl-alt-2 to connect
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#monitor=1
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#-----------------------------------------------------------------------------
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# enable sound card support, [sb16|es1370|all|..,..], default none
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#soundhw='sb16'
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#-----------------------------------------------------------------------------
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# set the real time clock to local time [default=0 i.e. set to utc]
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#localtime=1
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#-----------------------------------------------------------------------------
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# set the real time clock offset in seconds [default=0 i.e. same as dom0]
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#rtc_timeoffset=3600
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#-----------------------------------------------------------------------------
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# start in full screen
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#full-screen=1
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#-----------------------------------------------------------------------------
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# Enable USB support (specific devices specified at runtime through the
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# monitor window)
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#usb=1
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# Enable USB mouse support (only enable one of the following, `mouse' for
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# PS/2 protocol relative mouse, `tablet' for
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# absolute mouse)
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#usbdevice='mouse'
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#usbdevice='tablet'
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#-----------------------------------------------------------------------------
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# Set keyboard layout, default is en-us keyboard.
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#keymap='ja'
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#-----------------------------------------------------------------------------
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# Enable/disable xen platform PCI device, default=1 (enabled)
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#xen_platform_pci=1
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#-----------------------------------------------------------------------------
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# Configure guest CPUID responses:
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#
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#cpuid=[ '1:ecx=xxxxxxxxxxx00xxxxxxxxxxxxxxxxxxx,
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# eax=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx' ]
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# - Unset the SSE4 features (CPUID.1[ECX][20-19])
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# - Default behaviour for all other bits in ECX And EAX registers.
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#
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# Each successive character represent a lesser-significant bit:
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# '1' -> force the corresponding bit to 1
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# '0' -> force to 0
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# 'x' -> Get a safe value (pass through and mask with the default policy)
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# 'k' -> pass through the host bit value
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# 's' -> as 'k' but preserve across save/restore and migration
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#
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# Expose to the guest multi-core cpu instead of multiple processors
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# Example for intel, expose a 8-core processor :
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#cpuid=['1:edx=xxx1xxxxxxxxxxxxxxxxxxxxxxxxxxxx,
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# ebx=xxxxxxxx00010000xxxxxxxxxxxxxxxx',
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# '4,0:eax=001111xxxxxxxxxxxxxxxxxxxxxxxxxx']
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# - CPUID.1[EDX][HT] : Enable HT
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# - CPUID.1[EBX] : Number of vcpus * 2
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# - CPUID.4,0[EAX] : Number of vcpus * 2 - 1
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#vcpus=8
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#
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# Example for amd, expose a 5-core processor :
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# cpuid = ['1:ebx=xxxxxxxx00001010xxxxxxxxxxxxxxxx,
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# edx=xxx1xxxxxxxxxxxxxxxxxxxxxxxxxxxx',
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# '0x80000001:ecx=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx1x',
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# '0x80000008:ecx=xxxxxxxxxxxxxxxxxxxxxxxxxx001001']
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# - CPUID.1[EBX] : Threads per Core * Cores per Socket (2 * #vcpus)
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# - CPUID.1[EDX][HT] : Enable HT
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# - CPUID.0x80000001[CmpLegacy] : Use legacy method
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# - CPUID.0x80000008[ECX] : #vcpus * 2 - 1
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#vcpus=5
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#
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# Downgrade the cpuid to make a better compatibility for migration :
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# Look like a generic 686 :
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# cpuid = [ '0:eax=0x3,ebx=0x0,ecx=0x0,edx=0x0',
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# '1:eax=0x06b1,
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# ecx=xxxxxxxxxxx0000xx00xxx0000000xx0,
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# edx=xxx00000xxxxxxx0xxxxxxxxx0xxxxxx',
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# '4:eax=0x3,ebx=0x0,ecx=0x0,edx=0x0',
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# '0x80000000:eax=0x3,ebx=0x0,ecx=0x0,edx=0x0']
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# with the highest leaf
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# - CPUID.0[EAX] : Set the highest leaf
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# - CPUID.1[EAX] : 686
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# - CPUID.1[ECX] : Mask some features
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# - CPUID.1[EDX] : Mask some features
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# - CPUID.4 : Reply like the highest leaf, in our case CPUID.3
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# - CPUID.0x80000000 : No extension we are on a Pentium III, reply like the
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# highest leaf (CPUID.3).
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#
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# Configure host CPUID consistency checks, which must be satisfied for this
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# VM to be allowed to run on this host's processor type:
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#cpuid_check=[ '1:ecx=xxxxxxxxxxxxxxxxxxxxxxxxxx1xxxxx' ]
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# - Host must have VMX feature flag set
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#
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# The format is similar to the above for 'cpuid':
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# '1' -> the bit must be '1'
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# '0' -> the bit must be '0'
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# 'x' -> we don't care (do not check)
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# 's' -> the bit must be the same as on the host that started this VM
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#-----------------------------------------------------------------------------
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# Configure passthrough PCI{,-X,e} devices:
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#
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# pci=[ '[SSSS:]BB:DD.F[,option1[,option2[...]]]', ... ]
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#
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# [SSSS]:BB:DD.F "bus segment:bus:device.function"(1) of the device to
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# be assigned, bus segment is optional. All fields are
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# in hexadecimal and no field should be longer than that
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# as shown in the pattern. Successful assignment may need
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# certain hardware support and additional configurations
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# (e.g. VT-d, see docs/misc/vtd.txt for more details).
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#
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# (1) bus segment is sometimes also referred to as the PCI "domain",
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# not to be confused with Xen domain.
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#
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#
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# optionN per-device options in "key=val" format. Current
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# available options are:
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# - msitranslate=0|1
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# per-device overriden of pci_msitranslate, see below
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# - power_mgmt=0|1
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# per-device overriden of pci_power_mgmt, see below
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#
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#pci=[ '07:00.0', '07:00.1' ]
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# MSI-INTx translation for MSI capable devices:
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#
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# If it's set, Xen will enable MSI for the device that supports it even
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# if the guest don't use MSI. In the case, an IO-APIC type interrupt will
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# be injected to the guest every time a corresponding MSI message is
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# received.
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# If the guest enables MSI or MSI-X, the translation is automatically
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# turned off.
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#
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#pci_msitranslate=1
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# PCI Power Management:
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#
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# If it's set, the guest OS will be able to program D0-D3hot states of the
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# PCI device for the purpose of low power consumption.
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#
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#pci_power_mgmt=0
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# Enable graphics passthrough:
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#
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# If it's set, and specify grapchis device BDF in pci passthrough option,
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# like pci=['xx:xx.x'], it enables graphics passthrough, default=0 (disabled)
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#gfx_passthru=0
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#-----------------------------------------------------------------------------
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# Configure PVSCSI devices:
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#
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#vscsi=[ 'PDEV, VDEV' ]
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#
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# PDEV gives physical SCSI device to be attached to specified guest
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# domain by one of the following identifier format.
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# - XX:XX:XX:XX (4-tuples with decimal notation which shows
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# "host:channel:target:lun")
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# - /dev/sdxx or sdx
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# - /dev/stxx or stx
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# - /dev/sgxx or sgx
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# - result of 'scsi_id -gu -s'.
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# ex. # scsi_id -gu -s /block/sdb
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# 36000b5d0006a0000006a0257004c0000
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#
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# VDEV gives virtual SCSI device by 4-tuples (XX:XX:XX:XX) as
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# which the specified guest domain recognize.
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#
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#vscsi = [ '/dev/sdx, 0:0:0:0' ]
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