include/linux/hypervisor.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LINUX_HYPEVISOR_H
   3 #define __LINUX_HYPEVISOR_H
   4
   5 /*
   6  *      Generic Hypervisor support
   7  *              Juergen Gross <jgross@suse.com>
   8  */
   9
  10 #ifdef CONFIG_X86
  11
  12 #include <asm/jailhouse_para.h>
  13 #include <asm/x86_init.h>
  14
  15 static inline void hypervisor_pin_vcpu(int cpu)
  16 {
  17         x86_platform.hyper.pin_vcpu(cpu);
  18 }
  19
  20 #else /* !CONFIG_X86 */
  21
  22 #include <linux/of.h>
  23
  24 static inline void hypervisor_pin_vcpu(int cpu)
  25 {
  26 }
  27
  28 static inline bool jailhouse_paravirt(void)
  29 {
  30         return of_find_compatible_node(NULL, NULL, "jailhouse,cell");
  31 }
  32
  33 #endif /* !CONFIG_X86 */
  34
  35 static inline bool hypervisor_isolated_pci_functions(void)
  36 {
  37         if (IS_ENABLED(CONFIG_S390))
  38                 return true;
  39
  40         return jailhouse_paravirt();
  41 }
  42
  43 #endif /* __LINUX_HYPEVISOR_H */