xref: /openbmc/qemu/include/sysemu/xen.h (revision 93dd625f)
1 /*
2  * QEMU Xen support
3  *
4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
5  * See the COPYING file in the top-level directory.
6  */
7 
8 #ifndef SYSEMU_XEN_H
9 #define SYSEMU_XEN_H
10 
11 #ifdef CONFIG_XEN
12 
13 bool xen_enabled(void);
14 
15 #ifndef CONFIG_USER_ONLY
16 void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length);
17 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
18                    struct MemoryRegion *mr, Error **errp);
19 #endif
20 
21 #else /* !CONFIG_XEN */
22 
23 #define xen_enabled() 0
24 #ifndef CONFIG_USER_ONLY
25 static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length)
26 {
27     /* nothing */
28 }
29 static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
30                                  MemoryRegion *mr, Error **errp)
31 {
32     g_assert_not_reached();
33 }
34 #endif
35 
36 #endif /* CONFIG_XEN */
37 
38 #endif
39