projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |