19702785aSThomas Gleixner# 29702785aSThomas Gleixner# This Kconfig describes xen options 39702785aSThomas Gleixner# 49702785aSThomas Gleixner 59702785aSThomas Gleixnerconfig XEN 6d3d1c4bdSRusty Russell bool "Xen guest support" 76276a074SBorislav Petkov depends on PARAVIRT 81c7b67f7SGerd Hoffmann select PARAVIRT_CLOCK 95f141548SBoris Ostrovsky select XEN_HAVE_VPMU 10c5f9ee3dSH. Peter Anvin depends on X86_64 || (X86_32 && X86_PAE) 1187ffd2b9SDavid Vrabel depends on X86_LOCAL_APIC && X86_TSC 129702785aSThomas Gleixner help 139702785aSThomas Gleixner This is the Linux Xen port. Enabling this will allow the 149702785aSThomas Gleixner kernel to boot in a paravirtualized environment under the 159702785aSThomas Gleixner Xen hypervisor. 168006ec3eSJeremy Fitzhardinge 175e57f1d6SVitaly Kuznetsovconfig XEN_PV 185e57f1d6SVitaly Kuznetsov bool "Xen PV guest support" 195e57f1d6SVitaly Kuznetsov default y 205e57f1d6SVitaly Kuznetsov depends on XEN 215e57f1d6SVitaly Kuznetsov select XEN_HAVE_PVMMU 225e57f1d6SVitaly Kuznetsov help 235e57f1d6SVitaly Kuznetsov Support running as a Xen PV guest. 245e57f1d6SVitaly Kuznetsov 256b0661a5SStefano Stabelliniconfig XEN_DOM0 265e57f1d6SVitaly Kuznetsov bool "Xen PV Dom0 support" 275e57f1d6SVitaly Kuznetsov default y 285e57f1d6SVitaly Kuznetsov depends on XEN_PV && PCI_XEN && SWIOTLB_XEN 2987ffd2b9SDavid Vrabel depends on X86_IO_APIC && ACPI && PCI 305e57f1d6SVitaly Kuznetsov help 315e57f1d6SVitaly Kuznetsov Support running as a Xen PV Dom0 guest. 326b0661a5SStefano Stabellini 33ca65f9fcSStefano Stabelliniconfig XEN_PVHVM 345e57f1d6SVitaly Kuznetsov bool "Xen PVHVM guest support" 355e57f1d6SVitaly Kuznetsov default y 36b17d0b5cSStefano Stabellini depends on XEN && PCI && X86_LOCAL_APIC 375e57f1d6SVitaly Kuznetsov help 385e57f1d6SVitaly Kuznetsov Support running as a Xen PVHVM guest. 39ca65f9fcSStefano Stabellini 40*a52482d9SVitaly Kuznetsovconfig XEN_PVHVM_SMP 41*a52482d9SVitaly Kuznetsov def_bool y 42*a52482d9SVitaly Kuznetsov depends on XEN_PVHVM && SMP 43*a52482d9SVitaly Kuznetsov 44c70727a5SJuergen Grossconfig XEN_512GB 45c70727a5SJuergen Gross bool "Limit Xen pv-domain memory to 512GB" 465e57f1d6SVitaly Kuznetsov depends on XEN_PV && X86_64 47c70727a5SJuergen Gross default y 488006ec3eSJeremy Fitzhardinge help 49c70727a5SJuergen Gross Limit paravirtualized user domains to 512GB of RAM. 50c70727a5SJuergen Gross 51c70727a5SJuergen Gross The Xen tools and crash dump analysis tools might not support 52c70727a5SJuergen Gross pv-domains with more than 512 GB of RAM. This option controls the 53c70727a5SJuergen Gross default setting of the kernel to use only up to 512 GB or more. 54c70727a5SJuergen Gross It is always possible to change the default via specifying the 55c70727a5SJuergen Gross boot parameter "xen_512gb_limit". 5693a0886eSJeremy Fitzhardinge 5793a0886eSJeremy Fitzhardingeconfig XEN_SAVE_RESTORE 5893a0886eSJeremy Fitzhardinge bool 591eb208aeSRafael J. Wysocki depends on XEN 60d419e4c0SShriram Rajagopalan select HIBERNATE_CALLBACKS 6193a0886eSJeremy Fitzhardinge default y 62994025caSJeremy Fitzhardinge 63994025caSJeremy Fitzhardingeconfig XEN_DEBUG_FS 64994025caSJeremy Fitzhardinge bool "Enable Xen debug and tuning parameters in debugfs" 65994025caSJeremy Fitzhardinge depends on XEN && DEBUG_FS 66994025caSJeremy Fitzhardinge default n 67994025caSJeremy Fitzhardinge help 68994025caSJeremy Fitzhardinge Enable statistics output and various tuning options in debugfs. 69994025caSJeremy Fitzhardinge Enabling this option may incur a significant performance overhead. 7080df4649SMaxim Uvarov 71ddc416cbSMukesh Rathorconfig XEN_PVH 72ddc416cbSMukesh Rathor bool "Support for running as a PVH guest" 737243b933SBoris Ostrovsky depends on XEN && XEN_PVHVM && ACPI 74ddc416cbSMukesh Rathor def_bool n 75