1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21ccbf534SJeremy Fitzhardinge #ifndef _XEN_XEN_H 31ccbf534SJeremy Fitzhardinge #define _XEN_XEN_H 41ccbf534SJeremy Fitzhardinge 51ccbf534SJeremy Fitzhardinge enum xen_domain_type { 61ccbf534SJeremy Fitzhardinge XEN_NATIVE, /* running on bare hardware */ 71ccbf534SJeremy Fitzhardinge XEN_PV_DOMAIN, /* running in a PV domain */ 81ccbf534SJeremy Fitzhardinge XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ 91ccbf534SJeremy Fitzhardinge }; 101ccbf534SJeremy Fitzhardinge 111ccbf534SJeremy Fitzhardinge #ifdef CONFIG_XEN 121ccbf534SJeremy Fitzhardinge extern enum xen_domain_type xen_domain_type; 131ccbf534SJeremy Fitzhardinge #else 141ccbf534SJeremy Fitzhardinge #define xen_domain_type XEN_NATIVE 151ccbf534SJeremy Fitzhardinge #endif 161ccbf534SJeremy Fitzhardinge 17b4feaeb0SJuergen Gross #ifdef CONFIG_XEN_PVH 18b4feaeb0SJuergen Gross extern bool xen_pvh; 19b4feaeb0SJuergen Gross #else 20b4feaeb0SJuergen Gross #define xen_pvh 0 21b4feaeb0SJuergen Gross #endif 22b4feaeb0SJuergen Gross 231ccbf534SJeremy Fitzhardinge #define xen_domain() (xen_domain_type != XEN_NATIVE) 24b4feaeb0SJuergen Gross #define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) 25b4feaeb0SJuergen Gross #define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN) 26b4feaeb0SJuergen Gross #define xen_pvh_domain() (xen_pvh) 271ccbf534SJeremy Fitzhardinge 28*1fe83888SRoger Pau Monne #include <linux/types.h> 29*1fe83888SRoger Pau Monne 30*1fe83888SRoger Pau Monne extern uint32_t xen_start_flags; 31*1fe83888SRoger Pau Monne 321ccbf534SJeremy Fitzhardinge #ifdef CONFIG_XEN_DOM0 331ccbf534SJeremy Fitzhardinge #include <xen/interface/xen.h> 341ccbf534SJeremy Fitzhardinge #include <asm/xen/hypervisor.h> 351ccbf534SJeremy Fitzhardinge 364c071ee5SStefano Stabellini #define xen_initial_domain() (xen_domain() && \ 37*1fe83888SRoger Pau Monne (xen_start_flags & SIF_INITDOMAIN)) 381ccbf534SJeremy Fitzhardinge #else /* !CONFIG_XEN_DOM0 */ 391ccbf534SJeremy Fitzhardinge #define xen_initial_domain() (0) 401ccbf534SJeremy Fitzhardinge #endif /* CONFIG_XEN_DOM0 */ 411ccbf534SJeremy Fitzhardinge 421ccbf534SJeremy Fitzhardinge #endif /* _XEN_XEN_H */ 43