include/sysemu/xen.h

   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