include/xen/arm/hypervisor.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_ARM_XEN_HYPERVISOR_H
   3 #define _ASM_ARM_XEN_HYPERVISOR_H
   4
   5 #include <linux/init.h>
   6
   7 extern struct shared_info *HYPERVISOR_shared_info;
   8 extern struct start_info *xen_start_info;
   9
  10 /* Lazy mode for batching updates / context switch */
  11 enum paravirt_lazy_mode {
  12         PARAVIRT_LAZY_NONE,
  13         PARAVIRT_LAZY_MMU,
  14         PARAVIRT_LAZY_CPU,
  15 };
  16
  17 static inline enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
  18 {
  19         return PARAVIRT_LAZY_NONE;
  20 }
  21
  22 extern const struct dma_map_ops *xen_dma_ops;
  23
  24 #ifdef CONFIG_XEN
  25 void __init xen_early_init(void);
  26 #else
  27 static inline void xen_early_init(void) { return; }
  28 #endif
  29
  30 #ifdef CONFIG_HOTPLUG_CPU
  31 static inline void xen_arch_register_cpu(int num)
  32 {
  33 }
  34
  35 static inline void xen_arch_unregister_cpu(int num)
  36 {
  37 }
  38 #endif
  39
  40 #endif /* _ASM_ARM_XEN_HYPERVISOR_H */