1 # SPDX-License-Identifier: GPL-2.0
2 #
3 # This Kconfig describes xen options
4 #
5
6 config XEN
7 bool "Xen guest support"
8 depends on PARAVIRT
9 select PARAVIRT_CLOCK
10 select X86_HV_CALLBACK_VECTOR
11 depends on X86_64 || (X86_32 && X86_PA
12 depends on X86_64 || (X86_GENERIC || M
13 depends on X86_LOCAL_APIC && X86_TSC
14 help
15 This is the Linux Xen port. Enablin
16 kernel to boot in a paravirtualized
17 Xen hypervisor.
18
19 config XEN_PV
20 bool "Xen PV guest support"
21 default y
22 depends on XEN
23 depends on X86_64
24 select PARAVIRT_XXL
25 select XEN_HAVE_PVMMU
26 select XEN_HAVE_VPMU
27 select GUEST_PERF_EVENTS
28 help
29 Support running as a Xen PV guest.
30
31 config XEN_512GB
32 bool "Limit Xen pv-domain memory to 51
33 depends on XEN_PV
34 default y
35 help
36 Limit paravirtualized user domains t
37
38 The Xen tools and crash dump analysi
39 pv-domains with more than 512 GB of
40 default setting of the kernel to use
41 It is always possible to change the
42 boot parameter "xen_512gb_limit".
43
44 config XEN_PV_SMP
45 def_bool y
46 depends on XEN_PV && SMP
47
48 config XEN_PV_DOM0
49 def_bool y
50 depends on XEN_PV && XEN_DOM0
51
52 config XEN_PVHVM
53 def_bool y
54 depends on XEN && X86_LOCAL_APIC
55
56 config XEN_PVHVM_SMP
57 def_bool y
58 depends on XEN_PVHVM && SMP
59
60 config XEN_PVHVM_GUEST
61 bool "Xen PVHVM guest support"
62 default y
63 depends on XEN_PVHVM && PCI
64 help
65 Support running as a Xen PVHVM guest
66
67 config XEN_SAVE_RESTORE
68 bool
69 depends on XEN
70 select HIBERNATE_CALLBACKS
71 default y
72
73 config XEN_DEBUG_FS
74 bool "Enable Xen debug and tuning para
75 depends on XEN && DEBUG_FS
76 help
77 Enable statistics output and various
78 Enabling this option may incur a sig
79
80 config XEN_PVH
81 bool "Xen PVH guest support"
82 depends on XEN && XEN_PVHVM && ACPI
83 select PVH
84 help
85 Support for running as a Xen PVH gue
86
87 config XEN_DOM0
88 bool "Xen Dom0 support"
89 default XEN_PV
90 depends on (XEN_PV && SWIOTLB_XEN) ||
91 depends on X86_IO_APIC && ACPI && PCI
92 select X86_X2APIC if XEN_PVH && X86_64
93 help
94 Support running as a Xen Dom0 guest.
95
96 config XEN_PV_MSR_SAFE
97 bool "Always use safe MSR accesses in
98 default y
99 depends on XEN_PV
100 help
101 Use safe (not faulting) MSR access f
102 should not fault anyway.
103 The default can be changed by using
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