1#
2# This Kconfig describes xen options
3#
4
5config XEN
6	bool "Xen guest support"
7	depends on PARAVIRT
8	select PARAVIRT_CLOCK
9	select XEN_HAVE_PVMMU
10	depends on X86_64 || (X86_32 && X86_PAE)
11	depends on X86_LOCAL_APIC && X86_TSC
12	help
13	  This is the Linux Xen port.  Enabling this will allow the
14	  kernel to boot in a paravirtualized environment under the
15	  Xen hypervisor.
16
17config XEN_DOM0
18	def_bool y
19	depends on XEN && PCI_XEN && SWIOTLB_XEN
20	depends on X86_IO_APIC && ACPI && PCI
21
22config XEN_PVHVM
23	def_bool y
24	depends on XEN && PCI && X86_LOCAL_APIC
25
26config XEN_MAX_DOMAIN_MEMORY
27       int
28       default 500 if X86_64
29       default 64 if X86_32
30       depends on XEN
31       help
32         This only affects the sizing of some bss arrays, the unused
33         portions of which are freed.
34
35config XEN_SAVE_RESTORE
36       bool
37       depends on XEN
38       select HIBERNATE_CALLBACKS
39       default y
40
41config XEN_DEBUG_FS
42	bool "Enable Xen debug and tuning parameters in debugfs"
43	depends on XEN && DEBUG_FS
44	default n
45	help
46	  Enable statistics output and various tuning options in debugfs.
47	  Enabling this option may incur a significant performance overhead.
48
49config XEN_PVH
50	bool "Support for running as a PVH guest"
51	depends on X86_64 && XEN && XEN_PVHVM
52	def_bool n
53