diff options
Diffstat (limited to 'include/sysemu/xen.h')
| -rw-r--r-- | include/sysemu/xen.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/sysemu/xen.h b/include/sysemu/xen.h new file mode 100644 index 000000000..0ca25697e --- /dev/null +++ b/include/sysemu/xen.h @@ -0,0 +1,50 @@ +/* + * QEMU Xen support + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#ifndef SYSEMU_XEN_H +#define SYSEMU_XEN_H + +#include "exec/cpu-common.h" + +#ifdef NEED_CPU_H +# ifdef CONFIG_XEN +# define CONFIG_XEN_IS_POSSIBLE +# endif +#else +# define CONFIG_XEN_IS_POSSIBLE +#endif + +#ifdef CONFIG_XEN_IS_POSSIBLE + +extern bool xen_allowed; + +#define xen_enabled() (xen_allowed) + +#ifndef CONFIG_USER_ONLY +void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length); +void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, + struct MemoryRegion *mr, Error **errp); +#endif + +#else /* !CONFIG_XEN_IS_POSSIBLE */ + +#define xen_enabled() 0 +#ifndef CONFIG_USER_ONLY +static inline void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length) +{ + /* nothing */ +} +static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, + MemoryRegion *mr, Error **errp) +{ + g_assert_not_reached(); +} +#endif + +#endif /* CONFIG_XEN_IS_POSSIBLE */ + +#endif |