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 /* header to be included in non-Xen-specific code */ 9 10 #ifndef SYSTEM_XEN_H 11 #define SYSTEM_XEN_H 12 13 #include "exec/cpu-common.h" 14 15 #ifdef COMPILING_PER_TARGET 16 # ifdef CONFIG_XEN 17 # define CONFIG_XEN_IS_POSSIBLE 18 # endif 19 #else 20 # define CONFIG_XEN_IS_POSSIBLE 21 #endif /* COMPILING_PER_TARGET */ 22 23 #ifdef CONFIG_XEN_IS_POSSIBLE 24 extern bool xen_allowed; 25 #define xen_enabled() (xen_allowed) 26 #else /* !CONFIG_XEN_IS_POSSIBLE */ 27 #define xen_enabled() 0 28 #endif /* CONFIG_XEN_IS_POSSIBLE */ 29 30 void xen_hvm_modified_memory(ram_addr_t start, ram_addr_t length); 31 void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, 32 struct MemoryRegion *mr, Error **errp); 33 bool xen_mr_is_memory(MemoryRegion *mr); 34 bool xen_mr_is_grants(MemoryRegion *mr); 35 #endif 36