target-ppc/kvm_ppc.h

   1 /*
   2  * Copyright 2008 IBM Corporation.
   3  * Authors: Hollis Blanchard <hollisb@us.ibm.com>
   4  *
   5  * This work is licensed under the GNU GPL license version 2 or later.
   6  *
   7  */
   8
   9 #ifndef __KVM_PPC_H__
  10 #define __KVM_PPC_H__
  11
  12 void kvmppc_init(void);
  13
  14 #ifdef CONFIG_KVM
  15
  16 uint32_t kvmppc_get_tbfreq(void);
  17 uint64_t kvmppc_get_clockfreq(void);
  18 int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
  19 int kvmppc_set_interrupt(CPUState *env, int irq, int level);
  20 void kvmppc_set_papr(CPUState *env);
  21
  22 #else
  23
  24 static inline uint32_t kvmppc_get_tbfreq(void)
  25 {
  26     return 0;
  27 }
  28
  29 static inline uint64_t kvmppc_get_clockfreq(void)
  30 {
  31     return 0;
  32 }
  33
  34 static inline int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len)
  35 {
  36     return -1;
  37 }
  38
  39 static inline int kvmppc_set_interrupt(CPUState *env, int irq, int level)
  40 {
  41     return -1;
  42 }
  43
  44 static inline void kvmppc_set_papr(CPUState *env)
  45 {
  46 }
  47
  48 #endif
  49
  50 #ifndef CONFIG_KVM
  51 #define kvmppc_eieio() do { } while (0)
  52 #else
  53 #define kvmppc_eieio() \
  54     do {                                          \
  55         if (kvm_enabled()) {                          \
  56             asm volatile("eieio" : : : "memory"); \
  57         } \
  58     } while (0)
  59 #endif
  60
  61 #ifndef KVM_INTERRUPT_SET
  62 #define KVM_INTERRUPT_SET -1
  63 #endif
  64
  65 #ifndef KVM_INTERRUPT_UNSET
  66 #define KVM_INTERRUPT_UNSET -2
  67 #endif
  68
  69 #ifndef KVM_INTERRUPT_SET_LEVEL
  70 #define KVM_INTERRUPT_SET_LEVEL -3
  71 #endif
  72
  73 #endif /* __KVM_PPC_H__ */