mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 04:41:15 +07:00
1fe83888a2
Use a global variable to store the start flags for both PV and PVH. This allows the xen_initial_domain macro to work properly on PVH. Note that ARM is also switched to use the new variable. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com>
43 lines
1010 B
C
43 lines
1010 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _XEN_XEN_H
|
|
#define _XEN_XEN_H
|
|
|
|
enum xen_domain_type {
|
|
XEN_NATIVE, /* running on bare hardware */
|
|
XEN_PV_DOMAIN, /* running in a PV domain */
|
|
XEN_HVM_DOMAIN, /* running in a Xen hvm domain */
|
|
};
|
|
|
|
#ifdef CONFIG_XEN
|
|
extern enum xen_domain_type xen_domain_type;
|
|
#else
|
|
#define xen_domain_type XEN_NATIVE
|
|
#endif
|
|
|
|
#ifdef CONFIG_XEN_PVH
|
|
extern bool xen_pvh;
|
|
#else
|
|
#define xen_pvh 0
|
|
#endif
|
|
|
|
#define xen_domain() (xen_domain_type != XEN_NATIVE)
|
|
#define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN)
|
|
#define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN)
|
|
#define xen_pvh_domain() (xen_pvh)
|
|
|
|
#include <linux/types.h>
|
|
|
|
extern uint32_t xen_start_flags;
|
|
|
|
#ifdef CONFIG_XEN_DOM0
|
|
#include <xen/interface/xen.h>
|
|
#include <asm/xen/hypervisor.h>
|
|
|
|
#define xen_initial_domain() (xen_domain() && \
|
|
(xen_start_flags & SIF_INITDOMAIN))
|
|
#else /* !CONFIG_XEN_DOM0 */
|
|
#define xen_initial_domain() (0)
|
|
#endif /* CONFIG_XEN_DOM0 */
|
|
|
|
#endif /* _XEN_XEN_H */
|