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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1ccbf534 JF |
2 | #ifndef _XEN_XEN_H |
3 | #define _XEN_XEN_H | |
4 | ||
5 | enum xen_domain_type { | |
6 | XEN_NATIVE, /* running on bare hardware */ | |
7 | XEN_PV_DOMAIN, /* running in a PV domain */ | |
8 | XEN_HVM_DOMAIN, /* running in a Xen hvm domain */ | |
9 | }; | |
10 | ||
11 | #ifdef CONFIG_XEN | |
12 | extern enum xen_domain_type xen_domain_type; | |
13 | #else | |
14 | #define xen_domain_type XEN_NATIVE | |
15 | #endif | |
16 | ||
b4feaeb0 JG |
17 | #ifdef CONFIG_XEN_PVH |
18 | extern bool xen_pvh; | |
19 | #else | |
20 | #define xen_pvh 0 | |
21 | #endif | |
22 | ||
1ccbf534 | 23 | #define xen_domain() (xen_domain_type != XEN_NATIVE) |
b4feaeb0 JG |
24 | #define xen_pv_domain() (xen_domain_type == XEN_PV_DOMAIN) |
25 | #define xen_hvm_domain() (xen_domain_type == XEN_HVM_DOMAIN) | |
26 | #define xen_pvh_domain() (xen_pvh) | |
1ccbf534 | 27 | |
1fe83888 RPM |
28 | #include <linux/types.h> |
29 | ||
30 | extern uint32_t xen_start_flags; | |
31 | ||
8cee3974 MW |
32 | #include <xen/interface/hvm/start_info.h> |
33 | extern struct hvm_start_info pvh_start_info; | |
34 | ||
1ccbf534 JF |
35 | #ifdef CONFIG_XEN_DOM0 |
36 | #include <xen/interface/xen.h> | |
37 | #include <asm/xen/hypervisor.h> | |
38 | ||
4c071ee5 | 39 | #define xen_initial_domain() (xen_domain() && \ |
1fe83888 | 40 | (xen_start_flags & SIF_INITDOMAIN)) |
1ccbf534 JF |
41 | #else /* !CONFIG_XEN_DOM0 */ |
42 | #define xen_initial_domain() (0) | |
43 | #endif /* CONFIG_XEN_DOM0 */ | |
44 | ||
20e32676 | 45 | struct bio_vec; |
0383ad43 ML |
46 | struct page; |
47 | ||
20e32676 | 48 | bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, |
0383ad43 | 49 | const struct page *page); |
20e32676 | 50 | |
1d988ed4 JG |
51 | #if defined(CONFIG_MEMORY_HOTPLUG) && defined(CONFIG_XEN_BALLOON) |
52 | extern u64 xen_saved_max_mem_size; | |
53 | #endif | |
54 | ||
1ccbf534 | 55 | #endif /* _XEN_XEN_H */ |